CN204299467U - Vertical drilling tool - Google Patents
Vertical drilling tool Download PDFInfo
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- CN204299467U CN204299467U CN201420625202.0U CN201420625202U CN204299467U CN 204299467 U CN204299467 U CN 204299467U CN 201420625202 U CN201420625202 U CN 201420625202U CN 204299467 U CN204299467 U CN 204299467U
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Abstract
<b> the utility model relates to oil/gas drilling downhole tool technical field, a kind of vertical drilling tool, it comprise central tube, stub boring quickly, body, electric supply installation, projection whirligig, measure and control device and noncontact power transmitting device; Central tube upper end is provided with stub boring quickly, and body is arranged on central tube outside by upper bearing (metal) and lower bearing and can rotates by relative centre pipe, and stub boring inside is quickly provided with electric supply installation, and the outside of body is circumferentially evenly distributed with three axial boss.The utility model reasonable and compact in structure, easy to use, it makes projection whirligig protrude outside body by measure and control device, to be supported on the borehole wall and to drive body to rotate, by the automatic tracing detection direction of deflection of sensor, promote thrust plate by making anti-rotation thrust device and correction thrust device and be supported on the borehole wall, forming the reaction force contrary with direction of deflection, to realize thruster anti-oblique, have that structure is simple, accurate positioning, feature that reliability is high, can significantly reduce equipment application cost.</b>
Description
Technical field
the utility model relates to oil/gas drilling downhole tool technical field, is a kind of vertical drilling tool.
Background technology
in oil or geological prospecting drilling process, often can meet at higher formation clination, high-dip structure band, deep-well is bored in front of the mountains under covering the complex geological conditions such as nappe region, ultradeep well, especially exploration well is bored, ultra-deep prospect pit and region first exploration well, during the prospect pit of continent section, common demands deviation prevention and fast and safe low cost, and conventional drilling technologies bores deep-well at complicated easy deviation strata, when boring chance high-dip structure or ground stress anomally stratum, drill bit is at stratigraphic dip, under the acting in conjunction of geostatic stress and the pressure of the drill, normal well track vertical axis can be departed from and occur hole deviation.Bring very large risk often to after there is hole deviation follow-up drilling well, well logging and completion practice, as there is drilling, sleeve pipe or logger difficulty, very easily the accidents such as bit freezing occurring, time serious, even may cause scrapping of oil well.Simultaneously in order to the generation of inclining prevention, usually the pressure of the drill is controlled to creep in lower scope, seriously constrain the raising of drilling efficiency.
at present, conventional passive deviation control with drilling straight well technology (as tower drilling tool, pendulum assembly, packed hole assembly, rotating drilling etc.) all cannot realize the quick deviation control with drilling straight well under complex geological condition, and there is significant limitation, therefore for this technical barrier, external each major oil companies have just carried out the initiatively research of anti-oblique technology many years ago.Through tackling key problem research for many years, at present this technology obtains breakthrough, and three large petroleum technology service company Baker Hughes, Schlumberger and Halliburton form respectively its AutoTrak RCLS, the PowerDrive SRD of commercial applications and Geo-Pilot rotary steerable drilling system separately.Domestic Duo Jia oil company as western in PetroChina Company Limited. probing company and Shengli Oil Field branch company of China Petrochemical Industry etc. have also carried out the research of this technology respectively and have obtained successfully.Through on-the-spot practical application, above-mentioned anti-deviation device achieves the object to hole trajectory control, effectively prevents the generation of hole deviation.But the first generation initiatively anti-deviation device also also exists deficiency in the structure of instrument, control method, reliability and cost, as large in the complex structure of instrument, data processing amount, reliability is not high, maintenance difficulty is large, use cost is high, and these defects become the bottleneck of this technology popularity of restriction application.
Summary of the invention
the utility model provides a kind of vertical drilling tool, overcomes the deficiency of above-mentioned prior art, and it effectively can solve the complex structure that existing anti-deviation device exists, the problem that reliability is low, maintenance difficulty is large, use cost is high.
the technical solution of the utility model is realized by following measures: a kind of vertical drilling tool, comprise central tube, stub boring quickly, body, electric supply installation, projection whirligig, measure and control device and noncontact power transmitting device, central tube upper end is provided with stub boring quickly, body is arranged on central tube outside by upper bearing (metal) and lower bearing and can rotates by relative centre pipe, stub boring inside is quickly provided with electric supply installation, the outside of body is circumferentially evenly distributed with three axial boss, is separately installed with and can stretches out axial boss and be supported on the projection whirligig that the borehole wall drives body to rotate in the top body of each axial boss, the bottom of each axial boss is respectively equipped with push pedal mounting groove, the anti-rotation thrust device of band thrust plate is installed in one of them push pedal mounting groove, the correction thrust device of band thrust plate is installed in all the other push pedal mounting grooves, anti-rotation thrust device can make thrust plate be supported on the borehole wall to prevent body from rotating, correction thrust device can make thrust plate be supported on to prevent body from tilting on the borehole wall, and the thrust of correction thrust device is greater than anti-rotation thrust device, in the middle part body of body, whirligig liquid pump is installed, thrust device liquid pump and measure and control device, measure and control device there is the sensor that can detect hole deviation and well azimuth, noncontact power transmitting device is installed between body lower part inwall and central tube, electric supply installation is electrically connected with the power supply terminal of measure and control device by noncontact power transmitting device, the lead-out terminal of sensor is electrically connected with the signal input terminal of measure and control device, the signal output terminal of measure and control device is electrically connected with the control terminal of the control terminal of whirligig liquid pump and thrust device liquid pump, whirligig liquid pump can drive the work of projection whirligig, thrust device liquid pump can drive anti-rotation thrust device and the work of correction thrust device.
here is the further optimization and/or improvements to above-mentioned utility model technical scheme:
the outer middle side part of above-mentioned each axial boss can have hatchcover mounting groove respectively and be installed with hatchway cover; Axial boss comprises the first axial boss, the second axial boss and the 3rd axial boss; Have pump room in the middle part of the bottom land of the hatchcover mounting groove of corresponding first axial boss, whirligig liquid pump and thrust device liquid pump are fixedly mounted on pump room inwall; Balance cabin is had in the middle part of the bottom land of the hatchcover mounting groove of corresponding second axial boss, balance is provided with balance capsule in cabin, there is balance through hole in the middle part of the hatchway cover in balance cabin and be installed with balancing plug, the oral area of balance capsule is fixedly mounted on balancing plug the inner, and the inner chamber of balance capsule is connected with body exterior by balancing plug inner chamber; Have control cabinet in the middle part of the bottom land of the hatchcover mounting groove of corresponding 3rd axial boss, measure and control device is fixedly mounted on control cabinet inwall; Have to weigh between pump room and balance cabin and press through hole, between pump room and control cabinet, have the cable hole that sealing-plug is housed.
above-mentioned anti-rotation thrust device can comprise two small plungers, and correction thrust device can comprise thrust piston; The upper and lower of each thrust plate has upper holder and bottom platen respectively, the axial boss of corresponding upper holder position is provided with upper limit position groove and is installed with upper limit position block, the axial boss of corresponding bottom platen position is provided with lower limit groove and is installed with lower position block, between upper holder and upper limit position block, return spring is installed, lower return spring is installed between bottom platen and lower position block; The push pedal mounting groove of the first axial boss, the second axial boss and the 3rd axial boss bottom is respectively the first push pedal mounting groove, the second push pedal mounting groove and the 3rd push pedal mounting groove; Be provided with piston installation cavity in the middle part of the bottom surface of the first push pedal mounting groove and the 3rd push pedal mounting groove, thrust piston is arranged in piston installation cavity; The bottom surface, upper and lower portion, bottom surface, top of the second push pedal mounting groove is respectively equipped with upper plug installation cavity and lower plunger installation cavity, two small plungers are arranged in upper plug installation cavity and lower plunger installation cavity respectively, and the diameter sum of upper and lower two small plungers is less than the diameter of thrust piston; Lower oil ring mounting groove is arranged at the bottom of body, the lower Oil Guide ring of upper end with oil guide groove is installed in lower oil ring mounting groove, the first axial oilhole is had bottom the piston installation cavity of the first push pedal mounting groove, upper plug installation cavity is connected by the second axial oilhole with the bottom of lower plunger installation cavity, has the 3rd axial oilhole bottom the piston installation cavity of the 3rd push pedal mounting groove; The upper end of the first axial oilhole is connected with the liquid outlet of thrust device liquid pump, is provided with overflow valve between the upper end of the first axial oilhole and the liquid outlet of thrust device liquid pump; First axial oilhole, the second axial oilhole are connected with the oil guide groove of lower Oil Guide ring respectively with the lower end of the 3rd axial oilhole.
above-mentioned projection whirligig can comprise thrust capsule, drive projection, return spring and projection pressing plate, the projection installation cavity be in tilted layout along upper right lower left is arranged respectively at the top of each axial boss, the inner of each projection installation cavity is separately installed with thrust capsule, in the projection installation cavity of thrust capsule outside, driving projection is installed, outside the right and left of projection is driven to be respectively equipped with fin, fin is the helical rib of arranging along projection installation cavity direction, the outer middle side part of projection is driven to be provided with spring fitting groove and return spring is installed, pressing plate groove is provided with outside the axial boss of corresponding projection installation cavity upper and lower side position, pressing plate groove internal fixtion is provided with projection pressing plate, the external end impacts of return spring is at the middle part of projection pressing plate, the groove bottom that the inner of return spring is pressed on spring fitting groove make the fin of driving projection be positioned at projection installation cavity, there is upper oil ring mounting groove the upper end of body, is provided with the upper Oil Guide ring of lower end with oil guide groove in upper oil ring mounting groove, is interconnected between each thrust capsule inner chamber by the oil guide groove of balance oil pipe and upper Oil Guide ring, the inner chamber lower end of one of them thrust capsule is connected by the liquid outlet of oil guide pipe with whirligig liquid pump, is provided with pressure limiting valve between the liquid outlet of oil guide pipe and whirligig liquid pump.
above-mentioned electric supply installation can comprise slurry generator and powerhouse dome; There is drill collar chamber stub boring inside quickly, the shell of slurry generator is fixedly mounted in the upper inside wall in drill collar chamber, the driving shaft of slurry generator is provided with impeller, and the lower end of slurry generator is provided with powerhouse dome, and the input terminal of powerhouse dome is electrically connected with the lead-out terminal of slurry generator; The lead-out terminal of powerhouse dome is electrically connected with the input terminal of noncontact power transmitting device by primary power transmitting device, and the lead-out terminal of noncontact power transmitting device is electrically connected with the power supply terminal of measure and control device; Upper end, drill collar chamber is by the intracavity inter-connection of annular space and central tube outside annular space, powerhouse dome outside the impeller clearance of impeller, slurry generator.
above-mentioned primary power transmitting device can comprise cable duct, contact tube, catheter block, conductive plug, electrically conductive socket, primary cable and stube cable; Powerhouse dome lower end is installed with cable duct, the inside intentionally tube chamber of central tube, the core barrel cavity wall of corresponding noncontact power transmitting device lower end position there is the radial direction through hole running through central tube, in radial direction through hole, contact tube is installed, the inner of contact tube is positioned at core barrel chamber and is installed with catheter block, and the lower end of cable duct is fixedly mounted on catheter block; The lower end of cable duct is provided with conductive plug, cable duct inside is provided with primary cable, the upper end of primary cable is electrically connected with the lead-out terminal of powerhouse dome, the lower end of primary cable is electrically connected with conductive plug, be provided with electrically conductive socket in catheter block, conductive plug is electrically connected with electrically conductive socket, is provided with stube cable in contact tube, the inner of stube cable is electrically connected with the output of electrically conductive socket, and the outer end of stube cable is electrically connected with the input terminal of noncontact power transmitting device; Upper end, core barrel chamber is connected with lower end, core barrel chamber by annular space outside annular space, catheter block outside cable duct.
above-mentioned noncontact power transmitting device can comprise transmission of electricity cover for seat, magnetic core sleeve pipe, receives sleeve pipe, send coil and receiving coil; Be installed with magnetic core sleeve pipe outside the bottom axle journal of central tube, the lateral surface of magnetic core sleeve pipe be installed with transmission coil, send coil and be electrically connected with the input terminal of noncontact power transmitting device; The body lower part internal chamber wall of corresponding magnetic core sleeve position there is transmission of electricity seat annular groove is installed, transmission of electricity cover for seat is fixedly mounted on transmission of electricity seat and installs in annular groove, receive sleeve pipe and be fixedly mounted on transmission of electricity cover for seat inside, receive casing pipe sleeve and be contained in magnetic core jacket exterior and energy magnetic core rotation of sleeve relatively, the corresponding reception internal surface of sleeve pipe sending coil position is installed with receiving coil, and receiving coil is electrically connected with the lead-out terminal of noncontact power transmitting device; The input terminal of noncontact power transmitting device is electrically connected with the output of electric supply installation, and the lead-out terminal of noncontact power transmitting device is electrically connected with the power supply terminal of measure and control device by secondary power transmitting device.
above-mentioned secondary power transmitting device can comprise secondary cable and conductive contact; Transmission of electricity seat is installed in the inner body wall between annular groove upper end and control cabinet lower end cable trough, the lower sides of control cabinet there is the inner radial cable hole being communicated with cable trough, secondary cable is arranged in cable trough and radial cable hole, and radial cable hole internal fixtion is provided with the conductive contact that radial cable hole can be made to keep sealing; In contact tube, the outer end of stube cable is electrically connected with transmission coil by the input terminal of noncontact power transmitting device, receiving coil is electrically connected with secondary cable lower end by the lead-out terminal of noncontact power transmitting device, secondary cable upper end is electrically connected with the input of conductive contact, and the output of conductive contact is electrically connected with the power supply terminal of measure and control device.
the utility model reasonable and compact in structure, easy to use, it makes projection whirligig protrude outside body by measure and control device, to be supported on the borehole wall and to drive body to rotate, by the automatic tracing detection direction of deflection of sensor, promote thrust plate by making anti-rotation thrust device and correction thrust device and be supported on the borehole wall, forming the reaction force contrary with direction of deflection, to realize thruster anti-oblique, have that structure is simple, accurate positioning, feature that reliability is high, can significantly reduce equipment application cost.
Accompanying drawing explanation
accompanying drawing 1 is that the master of the utility model most preferred embodiment looks half section structural representation.
accompanying drawing 2 is the sectional structure schematic diagram at A-A place in accompanying drawing 1.
accompanying drawing 3 is the sectional structure schematic diagram at B-B place in accompanying drawing 1.
accompanying drawing 4 is the main TV structure schematic diagram of the first axial boss in accompanying drawing 2.
accompanying drawing 5 is the main TV structure schematic diagram after the first axial boss installation projection pressing plate, hatchway cover and the thrust plate in accompanying drawing 2.
accompanying drawing 6 is that in accompanying drawing 2, C-C place rotates the top structure for amplifying schematic diagram cutd open.
accompanying drawing 7 is that in accompanying drawing 2, C-C place rotates the bottom structure for amplifying schematic diagram cutd open.
coding in accompanying drawing is respectively: manage centered by 1, 2 be stub boring quickly, 3 is body, 4 is measure and control device, 5 is upper bearing (metal), 6 is lower bearing, 7 is thrust plate, 8 is small plunger, 9 is thrust piston, 10 is whirligig liquid pump, 11 is piston actuated liquid pump, 12 is hatchway cover, 13 is the first axial boss, 14 is the second axial boss, 15 is the 3rd axial boss, 16 is pump room, 17 is balance cabin, 18 is control cabinet, 19 is weighing apparatus pressure through hole, 20 is cable hole, 21 is balance capsule, 22 is balancing plug, 23 is the first push pedal mounting groove, 24 is the second push pedal mounting groove, 25 is the 3rd push pedal mounting groove, 26 is upper limit position block, 27 is lower position block, 28 is upper return spring, 29 is lower return spring, 30 is lower Oil Guide ring, 31 is the first axial oilhole, 32 is the second axial oilhole, 33 is the 3rd axial oilhole, 34 is slurry generator, 35 is powerhouse dome, 36 is impeller, 37 is contact tube, 38 is catheter block, 39 is cable duct, 40 is conductive plug, 41 is electrically conductive socket, 42 is thrust capsule, 43 for driving projection, 44 is return spring, 45 is projection pressing plate, 46 is projection installation cavity, 47 is fin, 48 is upper Oil Guide ring, 49 is balance oil pipe, 50 is oil guide pipe, 51 is transmission of electricity cover for seat, 52 is magnetic core sleeve pipe, 53 for receiving sleeve pipe, 54 is conductive contact, 55 is cable trough, 56 is radial cable hole, 57 is pressure limiting valve, 58 is overflow valve.
Detailed description of the invention
the utility model by the restriction of following embodiment, can not determine concrete embodiment according to the technical solution of the utility model and actual conditions.
in the utility model, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. determines according to the Butut direction of Figure of description.
below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1,2,3,4,5,6,7, this vertical drilling tool comprise central tube 1, stub boring quickly 2, body 3, electric supply installation, projection whirligig, measure and control device 4 and noncontact power transmitting device, central tube 1 upper end is provided with stub boring quickly 2, body 3 is arranged on central tube 1 outside by upper bearing (metal) 5 and lower bearing 6 and can rotates by relative centre pipe 1, stub boring quickly 2 inside electric supply installation is installed, the outside of body 3 is circumferentially evenly distributed with three axial boss, is separately installed with and can stretches out axial boss and be supported on the projection whirligig that the borehole wall drives body 3 to rotate in the top body of each axial boss, the bottom of each axial boss is respectively equipped with push pedal mounting groove, the anti-rotation thrust device of band thrust plate 7 is installed in one of them push pedal mounting groove, the correction thrust device of band thrust plate 7 is installed in all the other push pedal mounting grooves, anti-rotation thrust device can make thrust plate 7 be supported on the borehole wall to prevent body 3 from rotating, correction thrust device can make thrust plate 7 be supported on to prevent body 3 from tilting on the borehole wall, and the thrust of correction thrust device is greater than anti-rotation thrust device, in the middle part body of body 3, whirligig liquid pump 10 is installed, thrust device liquid pump 11 and measure and control device 4, measure and control device 4 there is the sensor that can detect hole deviation and well azimuth, noncontact power transmitting device is installed between body 3 lower inner wall and central tube 1, electric supply installation is electrically connected with the power supply terminal of measure and control device 4 by noncontact power transmitting device, the lead-out terminal of sensor is electrically connected with the signal input terminal of measure and control device 4, the signal output terminal of measure and control device 4 is electrically connected with the control terminal of the control terminal of whirligig liquid pump 10 and thrust device liquid pump 11, whirligig liquid pump 10 can drive the work of projection whirligig, thrust device liquid pump 11 can drive anti-rotation thrust device and the work of correction thrust device.The utility model is by adopting magnetic orientation technology, can realize from motion tracking hole deviation and to realize thruster anti-oblique, anti-rotation thrust device and correction thrust device are preferably the thrust device of plunger type, so that adopt the comparatively simple a set of hydraulic system of structure just can realize controlling, enormously simplify control program.When the utility model works with drill bit, by measure and control device 4, whirligig liquid pump 10 is worked, projection whirligig is made to protrude outside the axial boss of body 3, projection whirligig to be supported on the borehole wall and to drive body 3 to rotate, by the automatic tracing detection direction of deflection of sensor, after sensor detects direction of deflection, when the anti-rotation thrust device on body 3 rotates to the orientation contrary with direction of deflection, thrust device liquid pump 11 works, make anti-rotation thrust device and the work of correction thrust device, promoting thrust plate 7 is supported on the borehole wall, because correction thrust device thrust is greater than anti-rotation thrust device, each correction thrust device produces the force action of thrust on the borehole wall of direction of deflection, a reaction force contrary with direction of deflection is formed to body 3, final promotion drill bit moves to the opposite direction of hole deviation, thruster is realized anti-oblique by hydraulic means, there is structure simple, accurate positioning, the feature that reliability is high, significantly can reduce the application cost of equipment.
according to actual needs, above-mentioned vertical drilling tool can be made further optimization and/or improvements:
as shown in accompanying drawing 1,2,4,5,6,7, the outer middle side part of each axial boss has hatchcover mounting groove respectively and is installed with hatchway cover 12; Axial boss comprises the first axial boss 13, second axial boss 14 and the 3rd axial boss 15; Have pump room 16 in the middle part of the bottom land of the hatchcover mounting groove of corresponding first axial boss 13, whirligig liquid pump 10 and thrust device liquid pump 11 are fixedly mounted on pump room 16 inwall; Balance cabin 17 is had in the middle part of the bottom land of the hatchcover mounting groove of corresponding second axial boss 14, balance capsule 21 is installed in balance cabin 17, there is balance through hole in the middle part of the hatchway cover 12 in balance cabin 17 and be installed with balancing plug 22, the oral area of balance capsule 21 is fixedly mounted on balancing plug 22 the inner, and the inner chamber of balance capsule 21 is connected with body 3 outside by balancing plug 22 inner chamber; Have control cabinet 18 in the middle part of the bottom land of the hatchcover mounting groove of corresponding 3rd axial boss 15, measure and control device 4 is fixedly mounted on control cabinet 18 inwall; Have to weigh between pump room 16 and balance cabin 17 and press through hole 19, between pump room 16 and control cabinet 18, have the cable hole 20 that sealing-plug is housed.Balance capsule 21 to stretch the pressure oscillation that the fluid volumetric change that causes formed for the plunger balancing anti-rotation thrust device and correction thrust device; Pump room 16 inner chamber presses through hole 19 to be connected with balance cabin 17 inner chamber by weighing; The signal output terminal of measure and control device 4 is by being electrically connected through the control terminal of the cable of cable hole 20 with the control terminal of whirligig liquid pump 10 and thrust device liquid pump 11.
as shown in accompanying drawing 1,3,4,5,7, anti-rotation thrust device comprises two small plungers 8, and correction thrust device comprises thrust piston 9; The upper and lower of each thrust plate 7 has upper holder and bottom platen respectively, the axial boss of corresponding upper holder position is provided with upper limit position groove and is installed with upper limit position block 26, the axial boss of corresponding bottom platen position is provided with lower limit groove and is installed with lower position block 27, return spring 28 is installed between upper holder and upper limit position block 26, lower return spring 29 is installed between bottom platen and lower position block 27; The push pedal mounting groove of the first axial boss 13, second axial boss 14 and the 3rd axial boss 15 bottom is respectively the first push pedal mounting groove 23, second push pedal mounting groove 24 and the 3rd push pedal mounting groove 25; Be provided with piston installation cavity in the middle part of the bottom surface of the first push pedal mounting groove 23 and the 3rd push pedal mounting groove 25, thrust piston 9 is arranged in piston installation cavity; The bottom surface, upper and lower portion, bottom surface, top of the second push pedal mounting groove 24 is respectively equipped with upper plug installation cavity and lower plunger installation cavity, two small plungers 8 are arranged in upper plug installation cavity and lower plunger installation cavity respectively, and the diameter sum of upper and lower two small plungers 8 is less than the diameter of thrust piston 9; Lower oil ring mounting groove is arranged at the bottom of body 3, the lower Oil Guide ring 30 of upper end with oil guide groove is installed in lower oil ring mounting groove, the first axial oilhole 31 is had bottom the piston installation cavity of the first push pedal mounting groove 23, upper plug installation cavity is connected by the second axial oilhole 32 with the bottom of lower plunger installation cavity, has the 3rd axial oilhole 33 bottom the piston installation cavity of the 3rd push pedal mounting groove 25; The upper end of the first axial oilhole 31 is connected with the liquid outlet of thrust device liquid pump 11, is provided with overflow valve 58 between the upper end of the first axial oilhole 31 and the liquid outlet of thrust device liquid pump 11; The axial oilhole 32 of first axial oilhole 31, second is connected with the oil guide groove of lower Oil Guide ring 30 respectively with the lower end of the 3rd axial oilhole 33.Make thrust plate 7 outer end concordant with outside axial boss by upper return spring 28 and lower return spring 29; Can hydraulic system be protected by overflow valve 58, prevent because of the excessive damage fluid pressure line of pressure.
as shown in accompanying drawing 1,6, projection whirligig comprises thrust capsule 42, drives projection 43, return spring 44 and projection pressing plate 45, the projection installation cavity 46 be in tilted layout along upper right lower left is arranged respectively at the top of each axial boss, the inner of each projection installation cavity 46 is separately installed with thrust capsule 42, be provided with in the projection installation cavity 46 of thrust capsule 42 outside and drive projection 43, outside the right and left of projection 43 is driven to be respectively equipped with fin 47, fin 47 is the helical rib of arranging along projection installation cavity 46 direction, the outer middle side part of projection 43 is driven to be provided with spring fitting groove and return spring 44 is installed, pressing plate groove is provided with outside the axial boss of corresponding projection installation cavity 46 upper and lower side position, pressing plate groove internal fixtion is provided with projection pressing plate 45, the external end impacts of return spring 44 is at the middle part of projection pressing plate 45, the groove bottom that the inner of return spring 44 is pressed on spring fitting groove make the fin 47 of driving projection 43 be positioned at projection installation cavity 46, there is upper oil ring mounting groove the upper end of body 3, is provided with the upper Oil Guide ring 48 of lower end with oil guide groove in upper oil ring mounting groove, is interconnected between each thrust capsule 42 inner chamber by balance oil pipe 49 with the oil guide groove of upper Oil Guide ring 48, the inner chamber lower end of one of them thrust capsule 42 is connected by the liquid outlet of oil guide pipe 50 with whirligig liquid pump 10, is provided with pressure limiting valve 57 between the liquid outlet of oil guide pipe 50 and whirligig liquid pump 10.Pressure limiting valve 57 can protect hydraulic system, prevents because of the excessive damage fluid pressure line of pressure.
as shown in accompanying drawing 1,6, electric supply installation comprises slurry generator 34 and powerhouse dome 35; Stub boring quickly 2 inside have drill collar chamber, the shell of slurry generator 34 is fixedly mounted in the upper inside wall in drill collar chamber, the driving shaft of slurry generator 34 is provided with impeller 36, the lower end of slurry generator 34 is provided with powerhouse dome 35, and the input terminal of powerhouse dome 35 is electrically connected with the lead-out terminal of slurry generator 34; The lead-out terminal of powerhouse dome 35 is electrically connected with the input terminal of noncontact power transmitting device by primary power transmitting device, and the lead-out terminal of noncontact power transmitting device is electrically connected with the power supply terminal of measure and control device 4; Upper end, drill collar chamber is by the intracavity inter-connection of annular space and central tube 1 outside annular space, powerhouse dome 35 outside the impeller clearance of impeller 36, slurry generator 34.
as shown in accompanying drawing 1,6,7, primary power transmitting device comprises cable duct 39, contact tube 37, catheter block 38, conductive plug 40, electrically conductive socket 41, primary cable and stube cable; Powerhouse dome 35 lower end is installed with cable duct 39, the inside intentionally tube chamber of central tube 1, the core barrel cavity wall of corresponding noncontact power transmitting device lower end position there is the radial direction through hole running through central tube 1, contact tube 37 is installed in radial direction through hole, the inner of contact tube 37 is positioned at core barrel chamber and is installed with catheter block 38, and the lower end of cable duct 39 is fixedly mounted on catheter block 38; The lower end of cable duct 39 is provided with conductive plug 40, cable duct 39 inside is provided with primary cable, the upper end of primary cable is electrically connected with the lead-out terminal of powerhouse dome 35, the lower end of primary cable is electrically connected with conductive plug 40, electrically conductive socket 41 is installed in catheter block 38, conductive plug 40 is electrically connected with electrically conductive socket 41, in contact tube 37, stube cable is installed, the inner of stube cable is electrically connected with the output of electrically conductive socket 41, and the outer end of stube cable is electrically connected with the input terminal of noncontact power transmitting device; Upper end, core barrel chamber is connected with lower end, core barrel chamber by annular space outside annular space, catheter block 38 outside cable duct 39.
as shown in accompanying drawing 1,7, noncontact power transmitting device comprises transmission of electricity cover for seat 51, magnetic core sleeve pipe 52, receives sleeve pipe 53, sends coil and receiving coil; Be installed with magnetic core sleeve pipe 52 outside the bottom axle journal of central tube 1, the lateral surface of magnetic core sleeve pipe 52 be installed with transmission coil, send coil and be electrically connected with the input terminal of noncontact power transmitting device; The body 3 lower lumen wall of corresponding magnetic core sleeve pipe 52 position there is transmission of electricity seat annular groove is installed, transmission of electricity cover for seat 51 is fixedly mounted on transmission of electricity seat and installs in annular groove, receive sleeve pipe 53 and be fixedly mounted on transmission of electricity cover for seat 51 inside, receive sleeve pipe 53 be sleeved on magnetic core sleeve pipe 52 outside and can rotate relative to magnetic core sleeve pipe 52, corresponding reception sleeve pipe 53 inwall sending coil position is installed with receiving coil, and receiving coil is electrically connected with the lead-out terminal of noncontact power transmitting device; The input terminal of noncontact power transmitting device is electrically connected with the output of electric supply installation, and the lead-out terminal of noncontact power transmitting device is electrically connected with the power supply terminal of measure and control device 4 by secondary power transmitting device.The electric energy of electric supply installation is transferred to the input terminal of noncontact power transmitting device by the stube cable in contact tube 37, transmission coil is sent to again by input terminal, send coil by electromagnetic coupled between itself and receiving coil by delivery of electrical energy to receiving coil, receiving coil again by delivery of electrical energy to the lead-out terminal of noncontact power transmitting device, lead-out terminal passes through secondary power transmitting device by delivery of electrical energy to measure and control device 4, because transmission coil and receiving coil are contactless transmission, therefore functional reliability is high, the life-span is long.
as shown in Figure 7, secondary power transmitting device comprises secondary cable and conductive contact 54; Transmission of electricity seat is installed on body 3 inwall between annular groove upper end and control cabinet 18 lower end cable trough 55, the lower sides of control cabinet 18 there is the inner radial cable hole 56 being communicated with cable trough 55, secondary cable is arranged in cable trough 55 and radial cable hole 56, and radial cable hole 56 internal fixtion is provided with the conductive contact 54 that radial cable hole 56 can be made to keep sealing; In contact tube 37, the outer end of stube cable is electrically connected with transmission coil by the input terminal of noncontact power transmitting device, receiving coil is electrically connected with secondary cable lower end by the lead-out terminal of noncontact power transmitting device, secondary cable upper end is electrically connected with the input of conductive contact 54, and the output of conductive contact 54 is electrically connected with the power supply terminal of measure and control device 4.By conductive contact 54 transferring electric power, can prevent pressure fluid from entering in control cabinet 18.
above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
the use procedure of the utility model most preferred embodiment: first, linked together by the drill collar of the utility model by drill bit and top, open slush pump and set up stable mud circulation, impeller 36 drives slurry generator 34 to generate electricity under the driving of mud, the electricity sent is after powerhouse dome 35 processes, the electric energy that powerhouse dome 35 exports is by the primary cable in cable duct 39 and the stube cable in contact tube 37, be delivered to the transmission coil on magnetic core sleeve pipe 52 lateral surface of noncontact power transmitting device, after the receiving coil received on sleeve pipe 53 inwall receives, conductive contact 54 is transferred to by the secondary cable in cable trough 55 and radial cable hole 56, conductive contact 54 is transferred to measure and control device 4 again, secondly, when not starting rotating disk, the sensor on measure and control device 4 first carries out the measurement in hole deviation and orientation, then, measure and control device 4 sends signal makes whirligig liquid pump 10 start working, pressure fluid enters thrust capsule 42 by oil guide pipe 50, balance oil pipe 49 and upper Oil Guide ring 48, driving projection 43 is stretched out, the fin 47 outside projection 43 is driven to be supported on the borehole wall, when oil pressure regulates by pressure limiting valve 57 higher than during setting value, then, start rotating disk to creep into, upper square drill collar also promotes body 3 while driving central tube 1 rotation to move downward and moves downward together, because fin 47 is tightly supported on the borehole wall, therefore under the drive driving projection 43, body 3 will with central tube 1 for axle rotates descending, and the angle of fin 47 continuous measurement anti-rotation thrust device and direction of deflection in rotary course by measure and control device 4, when anti-rotation thrust device rotates to the orientation contrary with direction of deflection, by measure and control device 4 by the cable start signal output thrust device liquid pump 11 in cable hole 20, by overflow valve 58 controlled pressure, pressure fluid is by the first axial oilhole 31, lower Oil Guide ring 30, second axial oilhole 32 and the 3rd axial oilhole 33 make small plunger 8 and thrust piston 9 stretch out simultaneously, and promote thrust plate 7 and be supported on the borehole wall, sectional area due to thrust piston 9 is greater than the sectional area of small plunger 8, therefore the support force that thrust piston 9 produces will be greater than small plunger 8 and produce with joint efforts, form a thrust contrary with direction of deflection on the body 3, final promotion drill bit moves to the opposite direction of hole deviation, realize the object of deviation control with drilling straight well, finally, while thrust device liquid pump 11 starts, whirligig liquid pump 10 quits work, the pressure release because of the relief hole on pressure limiting valve 57 of pressure fluid in thrust capsule 42, drive projection 43 to retract under the effect of return spring 44 in body 3, no longer drive body 3 to rotate, until termination of pumping enters next working cycles, thrust piston 9 pressure release because of the relief hole on overflow valve 58, thrust plate 7 resets under the effect of back-moving spring 11.
Claims (16)
1. a vertical drilling tool, it is characterized in that comprising central tube, stub boring quickly, body, electric supply installation, projection whirligig, measure and control device and noncontact power transmitting device, central tube upper end is provided with stub boring quickly, body is arranged on central tube outside by upper bearing (metal) and lower bearing and can rotates by relative centre pipe, stub boring inside is quickly provided with electric supply installation, the outside of body is circumferentially evenly distributed with three axial boss, is separately installed with and can stretches out axial boss and be supported on the projection whirligig that the borehole wall drives body to rotate in the top body of each axial boss, the bottom of each axial boss is respectively equipped with push pedal mounting groove, the anti-rotation thrust device of band thrust plate is installed in one of them push pedal mounting groove, the correction thrust device of band thrust plate is installed in all the other push pedal mounting grooves, anti-rotation thrust device can make thrust plate be supported on the borehole wall to prevent body from rotating, correction thrust device can make thrust plate be supported on to prevent body from tilting on the borehole wall, and the thrust of correction thrust device is greater than anti-rotation thrust device, in the middle part body of body, whirligig liquid pump is installed, thrust device liquid pump and measure and control device, measure and control device there is the sensor that can detect hole deviation and well azimuth, noncontact power transmitting device is installed between body lower part inwall and central tube, electric supply installation is electrically connected with the power supply terminal of measure and control device by noncontact power transmitting device, the lead-out terminal of sensor is electrically connected with the signal input terminal of measure and control device, the signal output terminal of measure and control device is electrically connected with the control terminal of the control terminal of whirligig liquid pump and thrust device liquid pump, whirligig liquid pump can drive the work of projection whirligig, thrust device liquid pump can drive anti-rotation thrust device and the work of correction thrust device.
2. vertical drilling tool according to claim 1, is characterized in that the outer middle side part of each axial boss has hatchcover mounting groove respectively and is installed with hatchway cover; Axial boss comprises the first axial boss, the second axial boss and the 3rd axial boss; Have pump room in the middle part of the bottom land of the hatchcover mounting groove of corresponding first axial boss, whirligig liquid pump and thrust device liquid pump are fixedly mounted on pump room inwall; Balance cabin is had in the middle part of the bottom land of the hatchcover mounting groove of corresponding second axial boss, balance is provided with balance capsule in cabin, there is balance through hole in the middle part of the hatchway cover in balance cabin and be installed with balancing plug, the oral area of balance capsule is fixedly mounted on balancing plug the inner, and the inner chamber of balance capsule is connected with body exterior by balancing plug inner chamber; Have control cabinet in the middle part of the bottom land of the hatchcover mounting groove of corresponding 3rd axial boss, measure and control device is fixedly mounted on control cabinet inwall; Have to weigh between pump room and balance cabin and press through hole, between pump room and control cabinet, have the cable hole that sealing-plug is housed.
3. vertical drilling tool according to claim 2, is characterized in that anti-rotation thrust device comprises two small plungers, and correction thrust device comprises thrust piston; The upper and lower of each thrust plate has upper holder and bottom platen respectively, the axial boss of corresponding upper holder position is provided with upper limit position groove and is installed with upper limit position block, the axial boss of corresponding bottom platen position is provided with lower limit groove and is installed with lower position block, between upper holder and upper limit position block, return spring is installed, lower return spring is installed between bottom platen and lower position block; The push pedal mounting groove of the first axial boss, the second axial boss and the 3rd axial boss bottom is respectively the first push pedal mounting groove, the second push pedal mounting groove and the 3rd push pedal mounting groove; Be provided with piston installation cavity in the middle part of the bottom surface of the first push pedal mounting groove and the 3rd push pedal mounting groove, thrust piston is arranged in piston installation cavity; The bottom surface, upper and lower portion, bottom surface, top of the second push pedal mounting groove is respectively equipped with upper plug installation cavity and lower plunger installation cavity, two small plungers are arranged in upper plug installation cavity and lower plunger installation cavity respectively, and the diameter sum of upper and lower two small plungers is less than the diameter of thrust piston; Lower oil ring mounting groove is arranged at the bottom of body, the lower Oil Guide ring of upper end with oil guide groove is installed in lower oil ring mounting groove, the first axial oilhole is had bottom the piston installation cavity of the first push pedal mounting groove, upper plug installation cavity is connected by the second axial oilhole with the bottom of lower plunger installation cavity, has the 3rd axial oilhole bottom the piston installation cavity of the 3rd push pedal mounting groove; The upper end of the first axial oilhole is connected with the liquid outlet of thrust device liquid pump, is provided with overflow valve between the upper end of the first axial oilhole and the liquid outlet of thrust device liquid pump; First axial oilhole, the second axial oilhole are connected with the oil guide groove of lower Oil Guide ring respectively with the lower end of the 3rd axial oilhole.
4. the vertical drilling tool according to claim 1 or 2 or 3, is characterized in that projection whirligig comprises thrust capsule, drives projection, return spring and projection pressing plate, the projection installation cavity be in tilted layout along upper right lower left is arranged respectively at the top of each axial boss, the inner of each projection installation cavity is separately installed with thrust capsule, in the projection installation cavity of thrust capsule outside, driving projection is installed, outside the right and left of projection is driven to be respectively equipped with fin, fin is the helical rib of arranging along projection installation cavity direction, the outer middle side part of projection is driven to be provided with spring fitting groove and return spring is installed, pressing plate groove is provided with outside the axial boss of corresponding projection installation cavity upper and lower side position, pressing plate groove internal fixtion is provided with projection pressing plate, the external end impacts of return spring is at the middle part of projection pressing plate, the groove bottom that the inner of return spring is pressed on spring fitting groove make the fin of driving projection be positioned at projection installation cavity, there is upper oil ring mounting groove the upper end of body, is provided with the upper Oil Guide ring of lower end with oil guide groove in upper oil ring mounting groove, is interconnected between each thrust capsule inner chamber by the oil guide groove of balance oil pipe and upper Oil Guide ring, the inner chamber lower end of one of them thrust capsule is connected by the liquid outlet of oil guide pipe with whirligig liquid pump, is provided with pressure limiting valve between the liquid outlet of oil guide pipe and whirligig liquid pump.
5. the vertical drilling tool according to claim 1 or 2 or 3, is characterized in that electric supply installation comprises slurry generator and powerhouse dome; There is drill collar chamber stub boring inside quickly, the shell of slurry generator is fixedly mounted in the upper inside wall in drill collar chamber, the driving shaft of slurry generator is provided with impeller, and the lower end of slurry generator is provided with powerhouse dome, and the input terminal of powerhouse dome is electrically connected with the lead-out terminal of slurry generator; The lead-out terminal of powerhouse dome is electrically connected with the input terminal of noncontact power transmitting device by primary power transmitting device, and the lead-out terminal of noncontact power transmitting device is electrically connected with the power supply terminal of measure and control device; Upper end, drill collar chamber is by the intracavity inter-connection of annular space and central tube outside annular space, powerhouse dome outside the impeller clearance of impeller, slurry generator.
6. vertical drilling tool according to claim 4, is characterized in that electric supply installation comprises slurry generator and powerhouse dome; There is drill collar chamber stub boring inside quickly, the shell of slurry generator is fixedly mounted in the upper inside wall in drill collar chamber, the driving shaft of slurry generator is provided with impeller, and the lower end of slurry generator is provided with powerhouse dome, and the input terminal of powerhouse dome is electrically connected with the lead-out terminal of slurry generator; The lead-out terminal of powerhouse dome is electrically connected with the input terminal of noncontact power transmitting device by primary power transmitting device, and the lead-out terminal of noncontact power transmitting device is electrically connected with the power supply terminal of measure and control device; Upper end, drill collar chamber is by the intracavity inter-connection of annular space and central tube outside annular space, powerhouse dome outside the impeller clearance of impeller, slurry generator.
7. vertical drilling tool according to claim 5, is characterized in that primary power transmitting device comprises cable duct, contact tube, catheter block, conductive plug, electrically conductive socket, primary cable and stube cable; Powerhouse dome lower end is installed with cable duct, the inside intentionally tube chamber of central tube, the core barrel cavity wall of corresponding noncontact power transmitting device lower end position there is the radial direction through hole running through central tube, in radial direction through hole, contact tube is installed, the inner of contact tube is positioned at core barrel chamber and is installed with catheter block, and the lower end of cable duct is fixedly mounted on catheter block; The lower end of cable duct is provided with conductive plug, cable duct inside is provided with primary cable, the upper end of primary cable is electrically connected with the lead-out terminal of powerhouse dome, the lower end of primary cable is electrically connected with conductive plug, be provided with electrically conductive socket in catheter block, conductive plug is electrically connected with electrically conductive socket, is provided with stube cable in contact tube, the inner of stube cable is electrically connected with the output of electrically conductive socket, and the outer end of stube cable is electrically connected with the input terminal of noncontact power transmitting device; Upper end, core barrel chamber is connected with lower end, core barrel chamber by annular space outside annular space, catheter block outside cable duct.
8. vertical drilling tool according to claim 6, is characterized in that primary power transmitting device comprises cable duct, contact tube, catheter block, conductive plug, electrically conductive socket, primary cable and stube cable; Powerhouse dome lower end is installed with cable duct, the inside intentionally tube chamber of central tube, the core barrel cavity wall of corresponding noncontact power transmitting device lower end position there is the radial direction through hole running through central tube, in radial direction through hole, contact tube is installed, the inner of contact tube is positioned at core barrel chamber and is installed with catheter block, and the lower end of cable duct is fixedly mounted on catheter block; The lower end of cable duct is provided with conductive plug, cable duct inside is provided with primary cable, the upper end of primary cable is electrically connected with the lead-out terminal of powerhouse dome, the lower end of primary cable is electrically connected with conductive plug, be provided with electrically conductive socket in catheter block, conductive plug is electrically connected with electrically conductive socket, is provided with stube cable in contact tube, the inner of stube cable is electrically connected with the output of electrically conductive socket, and the outer end of stube cable is electrically connected with the input terminal of noncontact power transmitting device; Upper end, core barrel chamber is connected with lower end, core barrel chamber by annular space outside annular space, catheter block outside cable duct.
9. the vertical drilling tool according to claim 1 or 2 or 3, is characterized in that noncontact power transmitting device comprises transmission of electricity cover for seat, magnetic core sleeve pipe, receives sleeve pipe, sends coil and receiving coil; Be installed with magnetic core sleeve pipe outside the bottom axle journal of central tube, the lateral surface of magnetic core sleeve pipe be installed with transmission coil, send coil and be electrically connected with the input terminal of noncontact power transmitting device; The body lower part internal chamber wall of corresponding magnetic core sleeve position there is transmission of electricity seat annular groove is installed, transmission of electricity cover for seat is fixedly mounted on transmission of electricity seat and installs in annular groove, receive sleeve pipe and be fixedly mounted on transmission of electricity cover for seat inside, receive casing pipe sleeve and be contained in magnetic core jacket exterior and energy magnetic core rotation of sleeve relatively, the corresponding reception internal surface of sleeve pipe sending coil position is installed with receiving coil, and receiving coil is electrically connected with the lead-out terminal of noncontact power transmitting device; The input terminal of noncontact power transmitting device is electrically connected with the output of electric supply installation, and the lead-out terminal of noncontact power transmitting device is electrically connected with the power supply terminal of measure and control device by secondary power transmitting device.
10. vertical drilling tool according to claim 4, is characterized in that noncontact power transmitting device comprises transmission of electricity cover for seat, magnetic core sleeve pipe, receives sleeve pipe, sends coil and receiving coil; Be installed with magnetic core sleeve pipe outside the bottom axle journal of central tube, the lateral surface of magnetic core sleeve pipe be installed with transmission coil, send coil and be electrically connected with the input terminal of noncontact power transmitting device; The body lower part internal chamber wall of corresponding magnetic core sleeve position there is transmission of electricity seat annular groove is installed, transmission of electricity cover for seat is fixedly mounted on transmission of electricity seat and installs in annular groove, receive sleeve pipe and be fixedly mounted on transmission of electricity cover for seat inside, receive casing pipe sleeve and be contained in magnetic core jacket exterior and energy magnetic core rotation of sleeve relatively, the corresponding reception internal surface of sleeve pipe sending coil position is installed with receiving coil, and receiving coil is electrically connected with the lead-out terminal of noncontact power transmitting device; The input terminal of noncontact power transmitting device is electrically connected with the output of electric supply installation, and the lead-out terminal of noncontact power transmitting device is electrically connected with the power supply terminal of measure and control device by secondary power transmitting device.
11. vertical drilling tools according to claim 5, is characterized in that noncontact power transmitting device comprises transmission of electricity cover for seat, magnetic core sleeve pipe, receives sleeve pipe, sends coil and receiving coil; Be installed with magnetic core sleeve pipe outside the bottom axle journal of central tube, the lateral surface of magnetic core sleeve pipe be installed with transmission coil, send coil and be electrically connected with the input terminal of noncontact power transmitting device; The body lower part internal chamber wall of corresponding magnetic core sleeve position there is transmission of electricity seat annular groove is installed, transmission of electricity cover for seat is fixedly mounted on transmission of electricity seat and installs in annular groove, receive sleeve pipe and be fixedly mounted on transmission of electricity cover for seat inside, receive casing pipe sleeve and be contained in magnetic core jacket exterior and energy magnetic core rotation of sleeve relatively, the corresponding reception internal surface of sleeve pipe sending coil position is installed with receiving coil, and receiving coil is electrically connected with the lead-out terminal of noncontact power transmitting device; The input terminal of noncontact power transmitting device is electrically connected with the output of electric supply installation, and the lead-out terminal of noncontact power transmitting device is electrically connected with the power supply terminal of measure and control device by secondary power transmitting device.
12. vertical drilling tools according to claim 6, is characterized in that noncontact power transmitting device comprises transmission of electricity cover for seat, magnetic core sleeve pipe, receives sleeve pipe, sends coil and receiving coil; Be installed with magnetic core sleeve pipe outside the bottom axle journal of central tube, the lateral surface of magnetic core sleeve pipe be installed with transmission coil, send coil and be electrically connected with the input terminal of noncontact power transmitting device; The body lower part internal chamber wall of corresponding magnetic core sleeve position there is transmission of electricity seat annular groove is installed, transmission of electricity cover for seat is fixedly mounted on transmission of electricity seat and installs in annular groove, receive sleeve pipe and be fixedly mounted on transmission of electricity cover for seat inside, receive casing pipe sleeve and be contained in magnetic core jacket exterior and energy magnetic core rotation of sleeve relatively, the corresponding reception internal surface of sleeve pipe sending coil position is installed with receiving coil, and receiving coil is electrically connected with the lead-out terminal of noncontact power transmitting device; The input terminal of noncontact power transmitting device is electrically connected with the output of electric supply installation, and the lead-out terminal of noncontact power transmitting device is electrically connected with the power supply terminal of measure and control device by secondary power transmitting device.
13. vertical drilling tools according to claim 9, is characterized in that secondary power transmitting device comprises secondary cable and conductive contact; Transmission of electricity seat is installed in the inner body wall between annular groove upper end and control cabinet lower end cable trough, the lower sides of control cabinet there is the inner radial cable hole being communicated with cable trough, secondary cable is arranged in cable trough and radial cable hole, and radial cable hole internal fixtion is provided with the conductive contact that radial cable hole can be made to keep sealing; In contact tube, the outer end of stube cable is electrically connected with transmission coil by the input terminal of noncontact power transmitting device, receiving coil is electrically connected with secondary cable lower end by the lead-out terminal of noncontact power transmitting device, secondary cable upper end is electrically connected with the input of conductive contact, and the output of conductive contact is electrically connected with the power supply terminal of measure and control device.
14. vertical drilling tools according to claim 10, is characterized in that secondary power transmitting device comprises secondary cable and conductive contact; Transmission of electricity seat is installed in the inner body wall between annular groove upper end and control cabinet lower end cable trough, the lower sides of control cabinet there is the inner radial cable hole being communicated with cable trough, secondary cable is arranged in cable trough and radial cable hole, and radial cable hole internal fixtion is provided with the conductive contact that radial cable hole can be made to keep sealing; In contact tube, the outer end of stube cable is electrically connected with transmission coil by the input terminal of noncontact power transmitting device, receiving coil is electrically connected with secondary cable lower end by the lead-out terminal of noncontact power transmitting device, secondary cable upper end is electrically connected with the input of conductive contact, and the output of conductive contact is electrically connected with the power supply terminal of measure and control device.
15. vertical drilling tools according to claim 11, is characterized in that secondary power transmitting device comprises secondary cable and conductive contact; Transmission of electricity seat is installed in the inner body wall between annular groove upper end and control cabinet lower end cable trough, the lower sides of control cabinet there is the inner radial cable hole being communicated with cable trough, secondary cable is arranged in cable trough and radial cable hole, and radial cable hole internal fixtion is provided with the conductive contact that radial cable hole can be made to keep sealing; In contact tube, the outer end of stube cable is electrically connected with transmission coil by the input terminal of noncontact power transmitting device, receiving coil is electrically connected with secondary cable lower end by the lead-out terminal of noncontact power transmitting device, secondary cable upper end is electrically connected with the input of conductive contact, and the output of conductive contact is electrically connected with the power supply terminal of measure and control device.
16. vertical drilling tools according to claim 12, is characterized in that secondary power transmitting device comprises secondary cable and conductive contact; Transmission of electricity seat is installed in the inner body wall between annular groove upper end and control cabinet lower end cable trough, the lower sides of control cabinet there is the inner radial cable hole being communicated with cable trough, secondary cable is arranged in cable trough and radial cable hole, and radial cable hole internal fixtion is provided with the conductive contact that radial cable hole can be made to keep sealing; In contact tube, the outer end of stube cable is electrically connected with transmission coil by the input terminal of noncontact power transmitting device, receiving coil is electrically connected with secondary cable lower end by the lead-out terminal of noncontact power transmitting device, secondary cable upper end is electrically connected with the input of conductive contact, and the output of conductive contact is electrically connected with the power supply terminal of measure and control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625202.0U CN204299467U (en) | 2014-10-27 | 2014-10-27 | Vertical drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625202.0U CN204299467U (en) | 2014-10-27 | 2014-10-27 | Vertical drilling tool |
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| Publication Number | Publication Date |
|---|---|
| CN204299467U true CN204299467U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420625202.0U Withdrawn - After Issue CN204299467U (en) | 2014-10-27 | 2014-10-27 | Vertical drilling tool |
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| CN (1) | CN204299467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314470A (en) * | 2014-10-27 | 2015-01-28 | 中国石油集团西部钻探工程有限公司 | Vertical well drilling tool |
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2014
- 2014-10-27 CN CN201420625202.0U patent/CN204299467U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314470A (en) * | 2014-10-27 | 2015-01-28 | 中国石油集团西部钻探工程有限公司 | Vertical well drilling tool |
| CN104314470B (en) * | 2014-10-27 | 2016-09-14 | 中国石油集团西部钻探工程有限公司 | Vertical drilling tool |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20160914 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |