CN102877816A - Underground tool - Google Patents
Underground tool Download PDFInfo
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- CN102877816A CN102877816A CN2011101968904A CN201110196890A CN102877816A CN 102877816 A CN102877816 A CN 102877816A CN 2011101968904 A CN2011101968904 A CN 2011101968904A CN 201110196890 A CN201110196890 A CN 201110196890A CN 102877816 A CN102877816 A CN 102877816A
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- pipe nipple
- downhole tool
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Abstract
The invention discloses an underground tool, comprising a connecting short joint, a breaker and an electric power short joint; the breaker comprises an upper connector, a valve and a pin, wherein the valve is connected with the upper connector through the pin, and the pin can be ruptured under a certain action force; the electric power short joint comprises a sleeve-shaped shell, a signal processor arranged in the shell, a first connecting device and a second connecting device; the first connecting device and the second connecting device are connected with a cable wire, and the first connecting device is fixed in the shell; and the signal processor is in communication with the first connecting device and the second connecting device. The underground tool is connected with an underground motor through the connecting short joint, the breaker and the cable wire of the electrical power short joint in order, so that the rotate speed of the motor can be accurately controlled through the signal transmission of the cable wire.
Description
Technical field
The present invention relates to a kind of drilling equipment, relate in particular to a kind of downhole tool of drilling equipment.
Background technology
Drilling technology at home and abroad is widely used.Existing rig is normally controlled revolution by flow velocity and the pressure of mud.Drive revolution by mud, and by adjusting flow velocity and the pressure of mud, reach the rotating speed of motor.Yet, because the flow velocity of mud and pressure all are difficult to accurately control, therefore, be difficult to so that motor reaches needed rotating speed by adopting this mode.
Summary of the invention
In view of this, be necessary to provide a kind of downhole tool that can realize controlling fast motor rotary speed.
A kind of downhole tool comprises connecting short section, decoupler and electric driving force pipe nipple; Described decoupler comprises top connection, valve and pin, and described valve is connected with described top connection by described pin, and described pin can rupture under certain active force; Described electric driving force pipe nipple comprises the housing of sleeve-shaped and is arranged at described housing interior signal processor, the first linkage and the second linkage, described the first linkage be connected the second linkage and connect cable, described the first linkage is fixed in the described housing, and described signal processor is connected with described the first linkage and described the second linkage; Fluid can pass through described connecting short section, described decoupler and described electric driving force pipe nipple in turn, and described cable can pass in turn described connecting short section and be connected with described the first linkage behind the decoupler with being connected.
Described electric driving force pipe nipple also comprises sheath, and described sheath two ends are individually fixed on described the first linkage and described the second linkage, and described signal processor is arranged in the described sheath.
Described electric driving force pipe nipple also comprises flap seat; Described flap seat is tubular, offers the perforation that fluid passes through on the sidewall; When described flap seat one end was connected with described top connection, the other end was connected with described the first linkage.
Described valve comprises rupture disk, piston, the first perforation, the second perforation, through hole and passage; Described the first perforation of described channel connection, described the second perforation and described through hole; Described rupture disk is arranged at described through hole, is used for closing described through hole; Described piston is arranged in the described passage, is used for closing described passage; The fluid pressure that is subject to when described rupture disk is during greater than the bearing capacity of described rupture disk, and described rupture disk breaks, and described fluid pressure promotes described piston and moves, thus so that described the first perforation and described the second perforation connection.
Described valve comprises overcoat, inner sleeve, piston and rupture disk; Described inner sleeve is arranged in the described overcoat, is formed with the space between described overcoat and the described inner sleeve, and described outer putting offers the first perforation, puts in described and offers the second perforation and through hole; Described rupture disk is arranged at described through hole, is used for closing described through hole; Described piston is arranged in the described space, in order to being communicated with between cutting off described the first perforation and described second boring a hole; Described piston can move in described space under the pressure of fluid, so that described the first perforation is communicated with described the second perforation.
Described downhole tool also comprises for the one way valve pipe nipple that limits one-directional fluid flow, described one way valve pipe nipple connects described connecting short section and decoupler, and described one way valve pipe nipple comprises the one way valve on the housing of the sleeve-shaped fluid passage interior with being fixed in described housing.
Described one way valve pipe nipple also comprises cable plug and the valve seat that is connected with cable, described valve seat is fixed in the described housing, offer valve fixing hole and socket fixing hole on the described valve seat, in the fixing described valve fixing hole of described one way valve, described cable socket is fixed in the described socket fixing hole.
Described downhole tool also comprises the cable grappling pipe nipple for fixing cable, and described cable grappling pipe nipple connects described connecting short section and one way valve pipe nipple; Described cable grappling pipe nipple comprises the housing of sleeve-shaped and is arranged at the interior anchoring device of described housing; Described anchoring device is used for the described cable of clamping, also offers the fluid through-hole that described fluid passes through on the described anchoring device.
Described downhole tool also comprises cable head pipe nipple, and described cable head pipe nipple connects described decoupler and described electric driving force pipe nipple; Described cable head pipe nipple comprises housing, socket fixing seat and the cable socket of sleeve-shaped; Described socket fixing seat is fixed in the described housing, offers fluid through-hole and cable socket fixing hole on the described socket fixing seat; Described cable socket is fixed in the described cable socket fixing hole, and described cable socket is used for connecting described cable.
Described downhole tool also comprises cable head pipe nipple, and described cable head pipe nipple connects described decoupler and described electric driving force pipe nipple; Described cable head pipe nipple comprises housing, socket fixing seat and the cable socket of sleeve-shaped; Described socket fixing seat is fixed in the described housing, offers fluid through-hole and cable socket fixing hole on the described socket fixing seat; Described cable socket is fixed in the described cable socket fixing hole, and described cable socket is used for connecting described cable.
Offer on the described housing and be convenient to described socket fixing seat and enter window in the described housing; Described cable head pipe nipple also comprises outer sleeve, and described outer sleeve is sheathed on the described housing, is used in order to seal described window, stops the fluid in the described housing to flow out from window.
Described housing comprises top connection and lower contact, and described top connection is connected with described decoupler, and described lower contact is connected with described electric driving force pipe nipple, and described window is opened in the described lower contact, and described outer sleeve is sheathed in the described lower contact; Described cable head pipe nipple comprises also and compresses cover that the described cover that compresses is connected with described lower contact, in order to compress described outer sleeve, prevents that described outer sleeve from separating with described lower contact.
Described downhole tool also comprises the cable grappling pipe nipple for fixing cable, and described cable grappling pipe nipple connects described connecting short section and described decoupler; Described cable grappling pipe nipple comprises the housing of sleeve-shaped and is arranged at the interior anchoring device of described housing; Described anchoring device is used for the described cable of clamping, also offers the fluid through-hole that fluid passes through on the described anchoring device.
Described anchoring device comprises anchor log, inner sleeve and the pin that is fixed on the described housing, offer anchor hole and fluid through-hole on the described anchor log, described inner sleeve bag is located on the described cable and is arranged in the described anchor hole, and described pin is used for fixing described inner sleeve and described anchor log.
Described anchoring device also comprises the wedge shape part, and described wedge shape part is wedged between described cable and the inner sleeve.
Described anchoring device also comprises press part, and described press part presses on the end of described wedge shape part, and is fixed on the described anchor log.
A kind of downhole tool comprises connecting short section, decoupler and electric driving force pipe nipple; Described decoupler comprises top connection, adapter sleeve and pin, and described adapter sleeve is connected with described top connection by described pin, and described pin can rupture under certain active force; Described electric driving force pipe nipple comprises the housing of sleeve-shaped and is arranged at signal processor, the first linkage and the second linkage in the described housing, described the first linkage be connected the second linkage and connect described cable, described the first linkage is fixed in the described housing, and described signal processor is connected with described the first linkage and described the second linkage; Fluid can pass through described connecting short section, described decoupler and described electric driving force pipe nipple in turn, and described cable can pass in turn described connecting short section and be connected with described the first linkage behind the decoupler with being connected.
Described electric driving force pipe nipple also comprises sheath, and described sheath two ends are individually fixed on described the first linkage and described the second linkage, and described signal processor is arranged in the described sheath.
Above-mentioned downhole tool is by passing in turn the cable connecting downhole motor of connecting short section, decoupler and electric driving force pipe nipple, thereby realizes the accurately rotating speed of control motor by the signal transmission of cable.
Description of drawings
Fig. 1 is the generalized section of a preferred embodiment downhole tool.
Fig. 2 is the stereogram of the decoupler of downhole tool among Fig. 1.
Fig. 3 is the exploded view of the decoupler of downhole tool among Fig. 2.
Fig. 4 is the sectional drawing of the decoupler of downhole tool among Fig. 2.
Fig. 5 is the IV enlarged drawing of the decoupler of downhole tool among Fig. 4.
Fig. 6 is the sectional drawing of the overcoat of the decoupler of downhole tool among Fig. 3.
Fig. 7 is the V enlarged drawing of the decoupler of downhole tool among Fig. 4.
Fig. 8 is the stereogram at another visual angle of the inner sleeve of the decoupler of downhole tool among Fig. 3.
Fig. 9 is that the AA1 of the inner sleeve of the decoupler of downhole tool among Fig. 8 is to sectional drawing.
Figure 10 is the VI enlarged drawing of the decoupler of downhole tool among Fig. 4.
Figure 11 is the stereogram of the electric driving force pipe nipple of downhole tool among Fig. 1.
Figure 12 is the exploded view of the electric driving force pipe nipple of downhole tool among Figure 11.
Figure 13 is the sectional drawing of the electric driving force pipe nipple of downhole tool among Figure 11.
Figure 14 is the IV enlarged drawing of the electric driving force pipe nipple of downhole tool among Figure 13.
Figure 15 is the V enlarged drawing of the electric driving force pipe nipple of downhole tool among Figure 13.
Figure 16 is the VI enlarged drawing of the electric driving force pipe nipple of downhole tool among Figure 13.
Figure 17 is the generalized section of the connecting short section of downhole tool among Fig. 1.
Figure 18 is the generalized section of the cable grappling pipe nipple of downhole tool among Fig. 1.
Figure 19 is the exploded view of anchoring device of the cable grappling pipe nipple of downhole tool among Figure 18.
Figure 20 is the generalized section of the cable head pipe nipple of downhole tool among Fig. 1.
Figure 21 is the exploded view of the cable head pipe nipple of downhole tool among Figure 20.
Figure 22 is the generalized section of the one way valve pipe nipple of downhole tool among Fig. 1.
Figure 23 is the stereogram of valve seat of the one way valve pipe nipple of downhole tool among Figure 22.
Specific embodiment
As shown in Figure 1, be the generalized section of a preferred embodiment downhole tool 100.Downhole tool 100 comprises decoupler 10, electric driving force pipe nipple 20, connecting short section 30, cable grappling pipe nipple 40, two cable head pipe nipples 50 and one way valve pipe nipple 60.
As shown in Figures 2 and 3, be respectively stereogram and the exploded view of the decoupler 10 of a preferred embodiment downhole tool.Decoupler 10 comprises adapter sleeve 11, top connection 12, cuts off pin 13 and valve 105.Valve 105 comprises overcoat 14, lower contact 15, inner sleeve 16, piston 17, rupture disk 18, compressing member 19, the first fixture 101, the second fixture 102 and a plurality of sealing ring 103.
See also Fig. 4 and Fig. 5, adapter sleeve 11 offers through hole 111, so that drilling fluid passes through from the centre.Offer a plurality of blind holes 113,115 on the sidewall of adapter sleeve 11, and respectively be arranged with sealing ring 103 on the two ends of adapter sleeve 11.
Cut off pin 13 and be inserted in the blind hole 113 of the through hole 123 of top connection 12 and adapter sleeve 11, be used for adapter sleeve 11 is fixed in top connection 12, and prevent that by the sealing ring 103 that is sheathed on the adapter sleeve 12 drilling fluid from oozing out between top connection 12 and adapter sleeve 11.When putting on pulling force between top connection 12 and the adapter sleeve 11 when cutting off the ultimate strength of pin 13, cut off pin 13 fractures, top connection 12 separates with adapter sleeve 11.
Please consult simultaneously Fig. 6, overcoat 14 is sleeve-shaped, and two ends offer respectively a plurality of fixing holes 141,143, and the sidewall middle part offers a plurality of the first perforation 145, is provided with projection 147 on the inner surface.Wherein, fixing hole 141 is relative with the blind hole 115 on the adapter sleeve 11.Overcoat 14 and top connection 12 are sheathed on respectively the opposite end of adapter sleeve 11.
The first fixture 101 is inserted in the fixing hole 141 and the blind hole 115 on the adapter sleeve 11 of overcoat 14, is used for overcoat 14 and adapter sleeve 11 are fixed in together.In the present embodiment, the first fixture 101 is lock-screw.
In the present embodiment, be provided with adapter sleeve 11 between overcoat 14 and the top connection 12, when top connection 12 disconnects with adapter sleeve 11, be convenient to salvage; In other embodiments, overcoat 14 can directly be fixed in the top connection 12 by cutting off pin 13.
See also Fig. 7, offer through hole 151 in the lower contact 15, so that drilling fluid passes through from the centre.Lower contact 15 1 ends are in order to be connected with other pipe nipple (not shown) of downhole tool, offer the blind hole 153 corresponding with the fixing hole 143 of overcoat 14 on the other end.
The second fixture 102 is inserted in the blind hole 153 of the fixing hole 143 of overcoat 14 and lower contact 15, is used for overcoat 14 and lower contact 15 are fixed in together.In the present embodiment, the second fixture 102 is lock-screw.
Please consult simultaneously Fig. 8, Fig. 9 and Figure 10, inner sleeve 16 also is sleeve-shaped, it is arranged in the overcoat 14, be arranged with respectively sealing ring 103 on the two ends, be provided with pressure section 162 on the face of one end outside, pressure section 162 is inconsistent with the projection 147 of overcoat 14, and the other end and lower contact 15 are inconsistent, thereby so that inner sleeve 16 is fixed between overcoat 14 and the lower contact 15, and has annular space 104 between inner sleeve 16 and the overcoat 14.Offer a plurality of the second perforation 161 and through holes 163 on the sidewall of inner sleeve 16.Annular space 104 is for being communicated with the passage of the first perforation the 145 and second perforation 161, and the drilling fluid in the inner sleeve 16 can flow out from the second perforation 161, enters to have annular space 104 between inner sleeve 16 and the overcoat 14, flows out from the first perforation 145 of overcoat 14 again.
Piston 17 is annular, is provided with sealing ring 103 on the surfaces externally and internally of its sidewall.In the annular space 104 of piston 17 between overcoat 14 and inner sleeve 16, be connected with the second perforation 161 in order to stop the first perforation 145, annular space 104 is connected with the first perforation 145.And under the pressure-acting of the drilling fluid that flow into annular space 104 from the first perforation 145, piston 17 is sheathed on the second perforation 161 places of inner sleeve 16, is used for sealing the second perforation 161, prevents that the drilling fluid in the inner sleeve 16 from entering annular space 104 from the second perforation 161.When piston 17 is subject to certain active force, piston 17 overcome and overcoat 14 and inner sleeve 16 between frictional force, between overcoat 14 and inner sleeve 16, slide.
Compressing member 19 is ring-type, and it is screwed together in the through hole 163 of inner sleeve 16, is used for rupture disk 18 is fixed in inner sleeve 16.
When bit freezing occurring, drilling liquid pressure in the inner sleeve 16 raises, when pressure surpasses the bearing capacity of rupture disk 18, rupture disk 18 will break, thereby so that the cleaner for high-pressure drilling fluid in the inner sleeve 16 flows in the annular space 104 via through hole 163, at this moment, flow into the pressure of the cleaner for high-pressure drilling fluid in the annular space 104 from through hole 163 greater than the pressure that flow into the drilling fluid of annular space 104 from the first perforation 145, pushing piston 17 moves down, when the first perforation 145 and second bore a hole 161 be communicated with after, the cleaner for high-pressure drilling fluid of inner sleeve 16 can flow into annular space 104 from the second perforation 161, and then from the first perforation 145 outflows, drilling fluid begins circulation, after the interior mud of downhole tool is taken away in circulation, if can solve bit freezing, then can continue drilling well.When if above-mentioned circulation can't solve bit freezing, the interior mud of downhole tool this moment is pulled away, spur again continuous-tube, pulling force on putting on continuous-tube is when cutting off the ultimate strength of pin 13, cut off pin 13 fractures, separating with adapter sleeve 11 of top connection 12, top connection 12 is suggested, and has salvaged the device of staying the down-hole with fishing tool more at last.
Such as Figure 11, Figure 12 and shown in Figure 13, electric driving force pipe nipple 20 comprises housing 22, flap seat 24, sheath 25, signal processor 26, the first linkage 27, the second linkage 28 and erection device 29.Housing 22 comprises the first joint 21, the second joint 22 and sleeve 23.
Please consult simultaneously Figure 14, the first linkage 27 is arranged at an end of sheath 25, and it comprises the first pedestal 271, the first socket 273, first signal line 274, secondary signal line 276, the first press part 275, the first fixed cover 277, two the first holding parts 278 and two the first back-up rings 279.
The first pedestal 271 is sleeve-shaped also, is convenient to first signal line 274 and secondary signal line 276 passes through.The first pedestal 271 is fixed on the flap seat 24 by screw 202.One end of the first pedestal 271 is in order to accommodate the first socket 273, and the other end is fixed in sheath 25 1 ends, and is provided with sealing ring 201 between the first pedestal 271 and the sheath 25.
The first press part 275 1 ends are fixed on the first pedestal 271, and the other end presses on an end of signal processor 26.The middle part of the first press part 275 offers the through hole 2751 that supplies first signal line 274 and secondary signal line 276 to pass through.Offer the perforation 2753 that is communicated with through hole 2751 on the sidewall of the first press part 275, so that first signal line 274 passes in the first press part 275.
One end of first signal line 274 and secondary signal line 276 is fixed on the first socket 273, and the other end of first signal line 274 passes from the perforation 2753 of the first press part 275, and the other end of secondary signal line 276 is connected with described signal processor 26.
The first fixed cover 277 and two the first holding parts 278 are used for the first pedestal 271 is fixed in sheath 25.The first fixed cover 277 is screwed together on the external surface of the first pedestal 271, and an end of its inner surface convexes with the first stopper section 2771.
Convex with the second stopper section 2781 on two the first holding part 278 external surfaces, its bag is located on the external surface of sheath 25, and the second stopper section 2781 is inconsistent with flange 251.Two the first holding parts 278 are arranged in the first fixed cover 277, and the first stopper section 2771 and the second stopper section 2781 are inconsistent, and the first fixed cover 277 is used for being screwed together in the first pedestal 271, thereby sheath 25 is fixed on the first pedestal 271.
One of them first back-up ring 279 is arranged between the first pedestal 271 and the first press part 275, prevents that the first press part 275 from separating with the first pedestal 271.Another first back-up ring 279 is arranged between two the first holding parts 278 and the first fixed cover 277, prevents that two the first holding parts 278 from separating with the first fixed cover 277.
During assembling, at first, the first socket 273 is fixed in the end of the first pedestal 271, the first press part 275 is fixed in the other end of the first pedestal 271, then, the first fixed cover 277 is sheathed on an end of sheath 25, supporting holding part 278 bags with two first again is located on the sheath 25, and two the first holding parts 278 are slid in the first fixed cover 277, so that the first stopper section 2771 and the second stopper section 2781 are inconsistent, promote the first fixed cover 277 and drive two the first holding parts 278 and slide into a end with the flange 251 of sheath 25, at last the first fixed cover 277 is screwed together on the first pedestal 271, at this moment, 27 assemblings of the first linkage are complete.
Please consult simultaneously Figure 15, the second linkage 28 comprises the second pedestal 281, the second socket 283, the 3rd holding wire 284, the 4th holding wire 286, the second press part 285, the second fixed cover 287, two the second holding parts 288 and the second back-up ring 289.
The second pedestal 281 also is sleeve.One end of the second pedestal 281 is in order to accommodating the second socket 283, another set of being located on the sheath 25, and be provided with sealing ring 201 between the second pedestal 281 and the sheath 25.
The second press part 285 is arranged in the sheath 25, and an end is fixed between the second pedestal 281 and the sheath 25, and the other end presses on an end of signal processor 26.The middle part of the second press part 285 offers to be convenient on the through hole 2851 that the 3rd holding wire 284 and the 4th holding wire 286 pass through.Offer the perforation 2853 that is communicated with through hole 2851 on the sidewall of the second press part 285, so that the 3rd holding wire 284 passes in the second press part 285.
One end of the 3rd holding wire 284 and the 4th holding wire 286 is fixed on the second socket 283, and the other end of the 3rd holding wire 284 2853 passes from boring a hole, and the 4th holding wire 286 other ends are connected with described signal processor 26.
The second fixed cover 287 and two the second holding parts 288 are used for the second pedestal 281 is fixed in sheath 25.The second fixed cover 287 is screwed together on the external surface of the second pedestal 281.One end of the second fixed cover 287 inner surfaces convexes with the 3rd stopper section 2871.
Convex with the 4th stopper section 2881 on two the second holding part 288 external surfaces, its bag is located on the external surface of sheath 25, and the 4th stopper section 2881 is inconsistent with flange 255.Two the second holding parts 288 are arranged in the first fixed cover 287, and the 3rd stopper section 2871 and the 4th stopper section 2881 are inconsistent, and the second fixed cover 287 is used for being screwed together in the second pedestal 281, thereby sheath 25 is fixed on the second pedestal 281.
The second back-up ring 289 is arranged between two the second holding parts 288 and the second fixed cover 287, prevents that two the second holding parts 288 from separating with the second fixed cover 287.
During assembling, at first, the second fixed cover 287 is sheathed on the other end of sheath 25, supporting holding part 288 bags with two second is located on the sheath 25, again two the second holding parts 288 are slid in the second fixed cover 287, so that the 3rd stopper section 2871 and the 4th stopper section 2881 are inconsistent, then, the second socket 283 is fixed in the end of the second pedestal 281, the second press part 285 is arranged in the sheath 25, again the second pedestal 281 is sheathed on the sheath 25, thereby an end of the second press part 285 is fixed between the second pedestal 281 and the sheath 25, last, promoting the second fixed cover 287 drives two the second holding parts 288 and slides into a end with sheath 25 flanges 255, at last the second fixed cover 287 is screwed together on the second pedestal 281, at this moment, 28 assemblings of the second linkage are complete.
Please consult simultaneously Figure 16, erection device 29 is sheathed on the middle part of sheath 25, and offers on it and be convenient to the through hole 291 that liquid passes through.Erection device 29 comprises that two bags are located at cutting ferrule 293 on sheath 25 external surfaces, are sheathed on supporting positive cover 295, polylith righting block rubber 297 and screw 299 on cutting ferrule 293 external surfaces.Offer the groove 2931 corresponding with flange 253 on the inner surface of cutting ferrule 293, to accommodate flange 253, prevent that cutting ferrule 293 is mobile at the axial direction of sheath 25.Supporting positive cover 295 is sheathed on the cutting ferrule 293.Polylith righting block rubber 297 is disposed between the inner surface of the external surface of supporting positive cover 295 and shell 23, to form through hole 291, is convenient to mud and passes through.Screw 299 is used for passing in turn righting block rubber 297, supporting positive cover 295 rear sealed and cutting ferrules 293, thereby righting block rubber 297, supporting positive cover 295 and cutting ferrule 293 are fixed together.
See also Figure 17, connecting short section 30 is used for a fixedly end of continuous-tube 300, comprises housing 31 and a plurality of fixture 33.Housing 31 is sleeve-shaped, offers a plurality of fixing holes 311 on its sidewall.Be provided with lining 302 in the continuous-tube 300, in the end setting and housing 31 of continuous-tube 300.A plurality of fixtures 33 pass respectively fixing hole 311 rear pushing tow continuous-tube 300 and linings 302, separate with connecting short section 30 to prevent continuous-tube 300.Be provided with cable 400 in the continuous-tube 300, cable 400 passes and enters cable anchor behind the connecting short section 30 and decide pipe nipple 40.In other embodiments, connecting short section 30 also can be connected with the tube-like piece that the drilling wells such as drilling rod, sleeve are used.
See also Figure 18 and 19, cable grappling pipe nipple 40 is used for fixing cable 400, to guarantee the transmission of underground signal.Cable grappling pipe nipple 40 comprises housing 41 and the anchoring device 43 that is fixed in the housing 41.
Housing 41 is sleeve-shaped, and its end with the housing 31 of connecting short section 30 is fixedly connected with, so that housing 41 is connected with housing 31, is convenient to mud and passes through.Housing 41 comprises top connection 411 and lower contact 413.Top connection 411 1 ends are fixed on the housing 31, and the other end is fixed in the lower contact 413.
Anchoring device 43 is arranged in the lower contact 413, and presses between top connection 411 and the lower contact 413.Anchoring device 43 is used for clamping cable 400.Anchoring device 43 comprises the anchor log 431, the inner sleeve 433 that are fixed on the housing 41, cuts off pin 435, wedge shape part 437 and press part 439.
Cutting off pin 435 is used for inner sleeve 433 is fixed in anchor log 431.Cut off pin 435 and pass behind the first fixing hole 4315 in being fixed in the second fixing hole 4312, thereby inner sleeve 433 is fixed on the anchor log 431.Pulling force on putting on cable 400 cut off pin 435 fractures, thereby so that inner sleeve 433 is separated with anchor log 431, cable can pass anchor hole 4311 smoothly when cutting off the ultimate strength of pin 435.
Near between the end of lower contact 413, prevent that cable 400 from moving with respect to inner sleeve 433, thereby reach the purpose of fixing cable 400 on wedge shape part 437 wedging cables 400 and the inner sleeve 433.
See also Figure 20 and 21, two cable head pipe nipples 50 are arranged at respectively between cable grappling pipe nipple 40 and double check valve pipe nipple 60 and decoupler 10 and the electric driving force pipe nipple 20, are respectively applied to connect cable grappling pipe nipple 40 and double check valve pipe nipple and decoupler 10 and electric driving force pipe nipple 20.
Cable head pipe nipple 50 is used for connecting two sections cables 400, so that the plug of cable 400.Cable head pipe nipple 50 comprises housing 51, be arranged at the socket fixing seat 53 in the housing 51 and be fixed in cable socket 55, outer sleeve 56 on the socket fixing seat 53, compress cover 57, a plurality of sealing ring 58 and a plurality of fixture 59.
Housing 51 is sleeve-shaped, and its end with the lower contact 413 of cable grappling pipe nipple 40 is fixedly connected with, so that housing 51 is connected with cable grappling pipe nipple 40, is convenient to mud and passes through.Housing 51 comprises top connection 511 and lower contact 513, and an end of top connection 511 is fixed in the lower contact 413 of cable grappling pipe nipple 40, and the other end is fixed in the lower contact 513 by fixture 59.Be provided with sealing ring 58 between top connection 511 and the lower contact 513.Offer window 5131 and a plurality of fixing hole 5133 on the sidewall of lower contact 513.
Cable socket 55 is used for connecting two sections cables 400, realizes the fast insert-pull of cable 400.
See also Figure 22 and 23, one way valve pipe nipple 60 limits the mud one way flow, avoids mud to reflux.One way valve pipe nipple 60 comprises housing 61, one way valve 63, cable socket 65, valve seat 67 and a plurality of fixture 69.
During assembling, in turn connecting short section 30, cable grappling pipe nipple 40, cable head pipe nipple 50, one way valve pipe nipple 60, decoupler 10, cable head pipe nipple 50 are fixedly connected with electric driving force pipe nipple 20.Continuous-tube 300 is fixed on the connecting short section 30.After mud enters connecting short section 30, flow into cable grappling pipe nipple 40, behind the mud through hole 4313 in the cable grappling pipe nipple 40, flow into cable head pipe nipple 50, behind the mud through hole 533 by cable head pipe nipple 50, flow into one way valve pipe nipple 60, one way valve 63 by one way valve pipe nipple 60, flow into decoupler 10, flow into again cable head pipe nipple 50, behind the mud through hole 533 by cable head pipe nipple 50, flow at last electric driving force pipe nipple 20, behind the through hole 291 of the through hole 241 by electric driving force pipe nipple 20 flap seats 24 and erection device 29, flow out from electric driving force pipe nipple 20 in turn.
One section of cable enters connecting short section 30 from continuous-tube 300, in mud enters cable grappling pipe nipple 40, behind the anchoring device 43 by cable grappling pipe nipple 40, enter cable head pipe nipple 50, and be fixed in the cable socket 55 of cable head pipe nipple 50, be connected by two sections of cable socket 55 and cables; Two section one end of cable is fixed in cable socket 55, and the other end enters one way valve pipe nipple 60, and is fixed on the cable socket 65 of one way valve pipe nipple 60, is connected by three sections of cable socket 65 and cables; The end that cable is three sections is fixed on the cable socket 65, and the other end enters cable head pipe nipple 50 by decoupler 10, and is fixed in the cable socket 55 of cable head pipe nipple 50, is connected by four sections of cable socket 55 and cables; Four section one end of cable is fixed in cable socket 55, and the other end enters electric driving force pipe nipple 20, and is fixed on the first socket 273, is connected with signal processor by the many holding wires 284 between the first connection the 273 and second socket 283 to be connected with five sections of cables; Five section one end of cable is fixed on the second socket 273, and the other end is fixing to be connected with down-hole motor.
Above-mentioned downhole tool is by passing in turn the cable connecting downhole motor of connecting short section 30, cable grappling pipe nipple 40, cable head pipe nipple 50, one way valve pipe nipple 60, decoupler 10, cable head pipe nipple 50 and electric driving force pipe nipple 20, thereby realizes the accurately rotating speed of control motor by the signal transmission of cable.
Claims (18)
1. a downhole tool comprises connecting short section, it is characterized in that: described downhole tool also comprises decoupler and electric driving force pipe nipple; Described decoupler comprises top connection, valve and pin, and described valve is connected with described top connection by described pin, and described pin can rupture under certain active force; Described electric driving force pipe nipple comprises the housing of sleeve-shaped and is arranged at described housing interior signal processor, the first linkage and the second linkage, described the first linkage be connected the second linkage and connect cable, described the first linkage is fixed in the described housing, and described signal processor is connected with described the first linkage and described the second linkage; Fluid can pass through described connecting short section, described decoupler and described electric driving force pipe nipple in turn, and described cable can pass in turn described connecting short section and be connected with described the first linkage behind the decoupler with being connected.
2. downhole tool as claimed in claim 1, it is characterized in that: described electric driving force pipe nipple also comprises sheath, and described sheath two ends are individually fixed on described the first linkage and described the second linkage, and described signal processor is arranged in the described sheath.
3. downhole tool as claimed in claim 1, it is characterized in that: described electric driving force pipe nipple also comprises flap seat; Described flap seat is tubular, offers the perforation that fluid passes through on the sidewall; When described flap seat one end was connected with described top connection, the other end was connected with described the first linkage.
4. downhole tool as claimed in claim 1, it is characterized in that: described valve comprises rupture disk, piston, the first perforation, the second perforation, through hole and passage; Described the first perforation of described channel connection, described the second perforation and described through hole; Described rupture disk is arranged at described through hole, is used for closing described through hole; Described piston is arranged in the described passage, is used for closing described passage; The fluid pressure that is subject to when described rupture disk is during greater than the bearing capacity of described rupture disk, and described rupture disk breaks, and described fluid pressure promotes described piston and moves, thus so that described the first perforation and described the second perforation connection.
5. downhole tool as claimed in claim 1, it is characterized in that: described valve comprises overcoat, inner sleeve, piston and rupture disk; Described inner sleeve is arranged in the described overcoat, is formed with the space between described overcoat and the described inner sleeve, and described outer putting offers the first perforation, puts in described and offers the second perforation and through hole; Described rupture disk is arranged at described through hole, is used for closing described through hole; Described piston is arranged in the described space, in order to being communicated with between cutting off described the first perforation and described second boring a hole; Described piston can move in described space under the pressure of fluid, so that described the first perforation is communicated with described the second perforation.
6. downhole tool as claimed in claim 1, it is characterized in that: described downhole tool also comprises for the one way valve pipe nipple that limits one-directional fluid flow, described one way valve pipe nipple connects described connecting short section and decoupler, and described one way valve pipe nipple comprises the one way valve on the housing of the sleeve-shaped fluid passage interior with being fixed in described housing.
7. downhole tool as claimed in claim 6, it is characterized in that: described one way valve pipe nipple also comprises cable plug and the valve seat that is connected with cable, described valve seat is fixed in the described housing, offer valve fixing hole and socket fixing hole on the described valve seat, in the fixing described valve fixing hole of described one way valve, described cable socket is fixed in the described socket fixing hole.
8. downhole tool as claimed in claim 6, it is characterized in that: described downhole tool also comprises the cable grappling pipe nipple for fixing cable, described cable grappling pipe nipple connects described connecting short section and one way valve pipe nipple; Described cable grappling pipe nipple comprises the housing of sleeve-shaped and is arranged at the interior anchoring device of described housing; Described anchoring device is used for the described cable of clamping, also offers the fluid through-hole that described fluid passes through on the described anchoring device.
9. downhole tool as claimed in claim 8, it is characterized in that: described downhole tool also comprises cable head pipe nipple, described cable head pipe nipple connects described decoupler and described electric driving force pipe nipple; Described cable head pipe nipple comprises housing, socket fixing seat and the cable socket of sleeve-shaped; Described socket fixing seat is fixed in the described housing, offers fluid through-hole and cable socket fixing hole on the described socket fixing seat; Described cable socket is fixed in the described cable socket fixing hole, and described cable socket is used for connecting described cable.
10. downhole tool as claimed in claim 1, it is characterized in that: described downhole tool also comprises cable head pipe nipple, described cable head pipe nipple connects described decoupler and described electric driving force pipe nipple; Described cable head pipe nipple comprises housing, socket fixing seat and the cable socket of sleeve-shaped; Described socket fixing seat is fixed in the described housing, offers fluid through-hole and cable socket fixing hole on the described socket fixing seat; Described cable socket is fixed in the described cable socket fixing hole, and described cable socket is used for connecting described cable.
11. downhole tool as claimed in claim 10 is characterized in that: offer on the described housing and be convenient to described socket fixing seat and enter window in the described housing; Described cable head pipe nipple also comprises outer sleeve, and described outer sleeve is sheathed on the described housing, is used in order to seal described window, stops the fluid in the described housing to flow out from window.
12. downhole tool as claimed in claim 11, it is characterized in that: described housing comprises top connection and lower contact, described top connection is connected with described decoupler, described lower contact is connected with described electric driving force pipe nipple, described window is opened in the described lower contact, and described outer sleeve is sheathed in the described lower contact; Described cable head pipe nipple comprises also and compresses cover that the described cover that compresses is connected with described lower contact, in order to compress described outer sleeve, prevents that described outer sleeve from separating with described lower contact.
13. downhole tool as claimed in claim 1 is characterized in that: described downhole tool also comprises the cable grappling pipe nipple for fixing cable, and described cable grappling pipe nipple connects described connecting short section and described decoupler; Described cable grappling pipe nipple comprises the housing of sleeve-shaped and is arranged at the interior anchoring device of described housing; Described anchoring device is used for the described cable of clamping, also offers the fluid through-hole that fluid passes through on the described anchoring device.
14. downhole tool as claimed in claim 13, it is characterized in that: described anchoring device comprises anchor log, inner sleeve and the pin that is fixed on the described housing, offer anchor hole and fluid through-hole on the described anchor log, described inner sleeve bag is located on the described cable and is arranged in the described anchor hole, and described pin is used for fixing described inner sleeve and described anchor log.
15. downhole tool as claimed in claim 14 is characterized in that: described anchoring device also comprises the wedge shape part, and described wedge shape part is wedged between described cable and the inner sleeve.
16. downhole tool as claimed in claim 15 is characterized in that: described anchoring device also comprises press part, and described press part presses on the end of described wedge shape part, and is fixed on the described anchor log.
17. a downhole tool comprises connecting short section, it is characterized in that: described downhole tool also comprises decoupler and electric driving force pipe nipple; Described decoupler comprises top connection, adapter sleeve and pin, and described adapter sleeve is connected with described top connection by described pin, and described pin can rupture under certain active force; Described electric driving force pipe nipple comprises the housing of sleeve-shaped and is arranged at signal processor, the first linkage and the second linkage in the described housing, described the first linkage be connected the second linkage and connect described cable, described the first linkage is fixed in the described housing, and described signal processor is connected with described the first linkage and described the second linkage; Fluid can pass through described connecting short section, described decoupler and described electric driving force pipe nipple in turn, and described cable can pass in turn described connecting short section and be connected with described the first linkage behind the decoupler with being connected.
18. downhole tool as claimed in claim 17, it is characterized in that: described electric driving force pipe nipple also comprises sheath, described sheath two ends are individually fixed on described the first linkage and described the second linkage, and described signal processor is arranged in the described sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101968904A CN102877816A (en) | 2011-07-14 | 2011-07-14 | Underground tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101968904A CN102877816A (en) | 2011-07-14 | 2011-07-14 | Underground tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102877816A true CN102877816A (en) | 2013-01-16 |
Family
ID=47479306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101968904A Pending CN102877816A (en) | 2011-07-14 | 2011-07-14 | Underground tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102877816A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779263A (en) * | 1972-02-09 | 1973-12-18 | Halliburton Co | Pressure responsive auxiliary disc valve and the like for well cleaning, testing, and other operations |
| CN1053279A (en) * | 1989-10-09 | 1991-07-24 | 加利福亚尼联合石油公司 | Hydraulic release oil tool |
| US6293342B1 (en) * | 1997-07-28 | 2001-09-25 | Smith International, Inc. | Bypass valve closing means |
| US6629570B1 (en) * | 1998-05-15 | 2003-10-07 | Philip Head | Method of downhole drilling and apparatus therefor |
| CN201087727Y (en) * | 2007-05-15 | 2008-07-16 | 宝鸡石油机械有限责任公司 | Pressure-selecting control mechanism of pressure-selecting control test switch valve |
| WO2010039113A1 (en) * | 2007-10-03 | 2010-04-08 | Zupanick Joseph A | System and method for delivering a cable downhole |
-
2011
- 2011-07-14 CN CN2011101968904A patent/CN102877816A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779263A (en) * | 1972-02-09 | 1973-12-18 | Halliburton Co | Pressure responsive auxiliary disc valve and the like for well cleaning, testing, and other operations |
| CN1053279A (en) * | 1989-10-09 | 1991-07-24 | 加利福亚尼联合石油公司 | Hydraulic release oil tool |
| US6293342B1 (en) * | 1997-07-28 | 2001-09-25 | Smith International, Inc. | Bypass valve closing means |
| US6629570B1 (en) * | 1998-05-15 | 2003-10-07 | Philip Head | Method of downhole drilling and apparatus therefor |
| CN201087727Y (en) * | 2007-05-15 | 2008-07-16 | 宝鸡石油机械有限责任公司 | Pressure-selecting control mechanism of pressure-selecting control test switch valve |
| WO2010039113A1 (en) * | 2007-10-03 | 2010-04-08 | Zupanick Joseph A | System and method for delivering a cable downhole |
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Application publication date: 20130116 |