CN119221828B - A jet radial drilling device and method for exploiting carbonate oil reservoirs - Google Patents
A jet radial drilling device and method for exploiting carbonate oil reservoirs Download PDFInfo
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- CN119221828B CN119221828B CN202411755867.8A CN202411755867A CN119221828B CN 119221828 B CN119221828 B CN 119221828B CN 202411755867 A CN202411755867 A CN 202411755867A CN 119221828 B CN119221828 B CN 119221828B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
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- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
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Abstract
本发明涉及油田开采技术领域，尤其涉及一种碳酸岩油藏开采用喷射径向钻孔装置及其方法。本发明要解决的技术问题为：高压砂浆经过数千米管道后压力损失大。技术方案：包括有外管，外管底部固接有喷管，还包括有阻隔板，外管内固接有阻隔板，阻隔板上安装有单向阀，外管内固接有安装盒，安装盒内固接有伸缩轴，伸缩轴的伸缩端固接有移动板。本发明通过对伸缩轴与移动板的设计，在砂浆进入安装盒内时，通过砂浆对移动板冲击，能够使移动板带动伸缩轴收缩，从而使储压机构开始储存压力，当储压机构完成储存压力后，通过冲击机构能够对安装盒内部的砂浆进行高速冲击挤压，从而达到二次增压的效果，使喷管喷出的高压砂浆能够高效钻孔。
The present invention relates to the field of oilfield exploitation technology, and in particular to a jet radial drilling device and method for exploiting carbonate reservoirs. The technical problem to be solved by the present invention is that the pressure loss of high-pressure mortar is large after passing through a pipeline of several thousand meters. Technical solution: It includes an outer tube, a nozzle is fixedly connected to the bottom of the outer tube, and also includes a baffle plate, the baffle plate is fixedly connected to the outer tube, a one-way valve is installed on the baffle plate, a mounting box is fixedly connected to the outer tube, a telescopic shaft is fixedly connected to the mounting box, and a movable plate is fixedly connected to the telescopic end of the telescopic shaft. The present invention designs the telescopic shaft and the movable plate. When the mortar enters the mounting box, the mortar impacts the movable plate, so that the movable plate drives the telescopic shaft to contract, so that the pressure storage mechanism starts to store pressure. When the pressure storage mechanism completes the pressure storage, the impact mechanism can perform high-speed impact and extrusion on the mortar inside the mounting box, thereby achieving the effect of secondary pressurization, so that the high-pressure mortar sprayed out of the nozzle can be efficiently drilled.
Description
Technical Field
The invention relates to the technical field of oil field exploitation, in particular to a jet radial drilling device and a jet radial drilling method for exploitation of a carbonate oil reservoir.
Background
The hydraulic jet radial drilling process is used as a novel drilling technology, has the advantages of high efficiency, environmental protection, low cost and the like, and the hydraulic jet radial drilling device impacts and cuts the bottom layer through high-pressure mortar to form a circular drilling hole with a certain depth, and has the advantages of being suitable for various complex bottom layers, large in drilling depth, high in drilling efficiency and the like.
Petroleum is usually concentrated in 2000-3500 m underground, in the prior art, when hydraulic jet radial drilling is used, high-pressure mortar is provided for hydraulic jet radial drilling equipment through a high-pressure pump on the ground, and after the high-pressure mortar passes through a pipeline with a length of several kilometers, the pressure of the high-pressure mortar is greatly reduced, so that the hydraulic jet radial drilling is insufficient in pressure during working, and the drilling effect is not ideal.
Disclosure of Invention
In order to overcome the defect of large pressure loss of high-pressure mortar after passing through a pipeline of several kilometers, the invention provides a jet radial drilling device and a jet radial drilling method for exploitation of a carbonate reservoir.
The utility model provides a radial drilling equipment of spraying for exploitation of carbonate reservoir, includes the outer tube, outer tube bottom intercommunication has the spray tube, still including being used for pressing the pressure storage mechanism of mortar secondary, pressure storage mechanism including the rigid coupling in baffle in the outer tube, install on the baffle the check valve, the rigid coupling has the mounting box in the outer tube, the rigid coupling has the telescopic shaft in the mounting box, the flexible end rigid coupling of telescopic shaft has the movable plate, be provided with the impact mechanism that is used for releasing pressure in the outer tube.
More preferably, the pressure storage mechanism further comprises a protruding shaft A, the bottom of the movable plate is symmetrically and fixedly connected with the protruding shaft A, the outer wall of the fixed end of the telescopic shaft is symmetrically and slidingly connected with a locking plate A, an elastic piece A is arranged between the locking plate A and the outer wall of the fixed end of the telescopic shaft, and the locking plate A is matched with the protruding shaft A for use.
More preferably, the pressure storage mechanism further comprises a sleeve, the outer wall of the mounting box is symmetrically and fixedly connected with the sleeve, the telescopic shaft is communicated with the inner cavity of the sleeve through a transverse pipe, a piston rod is connected in a sliding mode in the sleeve, an elastic piece B is arranged between the bottom end of the piston rod and the inner wall of the sleeve, an elastic locking block is symmetrically and slidingly connected with the inner wall of the sleeve, and a locking groove matched with the elastic locking block is formed in the bottom end of the piston rod.
More preferably, the device further comprises a fixing frame A, wherein the baffle plate is symmetrically and fixedly connected with the fixing frame A, an elastic telescopic rod is fixedly connected in the fixing frame A, the sleeve is communicated with the inner cavity of the elastic telescopic rod through a hose, and the telescopic end of the elastic telescopic rod penetrates through the baffle plate and is fixedly connected with a U-shaped plate.
More preferably, the impact mechanism comprises a plywood, the plywood is connected with the U-shaped board in a sliding mode, a fixing frame B is fixedly connected to the outer wall of the installation box in a symmetrical mode, a blocking plate is connected with the installation box in the fixing frame B in a sliding mode, and guide grooves matched with the blocking plate in use are formed in the installation box and the fixing frame A.
More preferably, the impact mechanism further comprises a sliding shaft A, one side of the plywood close to the fixing frame B is fixedly connected with the sliding shaft A, the sliding shaft A penetrates through the U-shaped plate and is in sliding connection with the blocking plate, the middle part of the blocking plate is in sliding connection with the sliding shaft B, the top end of the sliding shaft B is fixedly connected with a guide frame, an elastic piece C is arranged between the guide frame and the blocking plate, and convex shafts matched with the guide frame are symmetrically fixedly connected on the sliding shaft A.
More preferably, the impact mechanism further comprises an elastic lock pin, the fixing frame B is connected with the elastic lock pin in a penetrating manner, a lock hole matched with the elastic lock pin in use is formed in the blocking plate, a rectangular groove is formed in the outer wall of one end of the piston rod, a rotating plate is hinged in the rectangular groove, an elastic piece D is arranged between the rotating plate and the inner wall of the rectangular groove, the rotating plate is matched with the sliding shaft B in use, a sliding groove is formed in the piston rod, a limiting plate matched with the rotating plate in use is connected in a sliding manner, and an arc-shaped groove matched with the limiting plate in use is formed in the middle of the blocking plate.
More preferably, the piston rod further comprises a wedge block A, the top end of the piston rod is fixedly connected with the wedge block A, and one side of the elastic lock pin is rotationally connected with a roller matched with the wedge block A.
More preferably, the device further comprises a sliding shaft C, the sliding shaft C is symmetrically connected with the moving plate in a penetrating and sliding mode, an elastic piece E is arranged between the sliding shaft C and the moving plate, a wedge block B is fixedly connected to the bottom end of the sliding shaft C, and a protruding shaft B matched with the wedge block B is fixedly connected to one side of the locking plate A.
More preferably, a method of a jet radial drilling apparatus for carbonate reservoir exploitation comprises the steps of:
S1, mortar is conveyed into the outer tube through a high-pressure pump in the prior art, the mortar passes through the one-way valve and impacts the moving plate, so that the telescopic shaft is contracted, and air in the inner cavity of the telescopic shaft enters the sleeve and enters the inner cavity of the elastic telescopic rod through a hose;
S2, after enough pressure is accumulated in the elastic telescopic rod, the elastic locking block is separated from a locking groove on the piston rod, the piston rod drives the rotating plate to extrude the sliding shaft B so as to combine the two plywood plates, and then the wedge block A extrudes the elastic locking pin so that the elastic locking pin does not limit the blocking plate any more;
and S3, driving the plywood to extrude the mortar through the U-shaped plate by the telescopic end of the elastic telescopic rod, so that the mortar is sprayed out of the spray pipe to drill holes.
The invention has the beneficial effects that:
1. According to the invention, through the design of the telescopic shaft and the movable plate, when mortar enters the mounting box, the movable plate is impacted by the mortar, so that the movable plate drives the telescopic shaft to shrink, the pressure storage mechanism starts to store pressure, and after the pressure storage mechanism finishes storing the pressure, the high-speed impact extrusion can be performed on the mortar in the mounting box through the impact mechanism, thereby achieving the effect of secondary pressurization, and high-pressure mortar sprayed out of the spray pipe can be drilled efficiently.
2. According to the invention, the elastic locking piece is matched with the locking hole on the piston rod, so that the air in the inner cavity of the telescopic shaft can firstly enter the elastic telescopic rod, and after the pressure in the inner cavity of the elastic telescopic rod reaches a certain degree, the elastic locking piece is extruded, so that the elastic locking piece does not limit the piston rod.
3. According to the invention, through the design of the protruding shaft A and the locking plate A, the protruding shaft A is limited by the locking plate A after the moving plate moves downwards, so that the telescopic end of the telescopic shaft can be kept stable, and the inner cavity pressure of the sleeve and the elastic telescopic rod can be kept stable.
4. According to the invention, through the design of the counter-rotating plate and the limiting plate, when the blocking plate slides downwards, the limiting plate can slide downwards through friction of the blocking plate on the limiting plate, so that the limiting plate limits the rotating plate, and the rotating plate is prevented from being reset, so that the blocking plate is prevented from interfering with the rotating plate when being reset.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a pressure storage mechanism according to the present invention;
FIG. 3 is a schematic view of the installation of the present invention at the protruding axis A;
FIG. 4 is an enlarged view of a partial structure of the present invention at A in FIG. 3;
FIG. 5 is a schematic view of the installation of the elastic locking block of the present invention;
FIG. 6 is a schematic view of the impact mechanism of the present invention;
FIG. 7 is a schematic view of the installation of the present invention at slide A;
FIG. 8 is a schematic view of the mounting of the limiting plate of the present invention;
fig. 9 is a schematic view of the installation of the present invention at the rotating plate.
The number of the marks is 1, an outer tube, 2, a baffle plate, 3, a one-way valve, 4, an installation box, 5, a telescopic shaft, 6, a moving plate, 7, a protruding shaft A,8, a locking plate A,9, a sleeve, 10, a piston rod, 11, an elastic locking block, 12, a fixing frame A,13, an elastic telescopic rod, 14, a U-shaped plate, 15, a plywood, 16, a fixing frame B,17, a blocking plate, 18, a sliding shaft A,19, a sliding shaft B,20, a guide frame, 21, an elastic locking pin, 22, a rotating plate, 221, a limiting plate, 23, a wedge block A,24, a sliding shaft C,25, a wedge block B,26, a protruding shaft B,100 and a spray pipe.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description, but does not limit the scope of protection and the application of the invention.
Example 1
The utility model provides a carbonate reservoir exploitation is with spraying radial drilling equipment, as shown in fig. 1-9, including outer tube 1, outer tube 1 bottom intercommunication has spray tube 100, still including being used for the pressure storage mechanism to mortar secondary pressurization, pressure storage mechanism is including the baffle plate 2 of rigid coupling in outer tube 1, install check valve 3 on the baffle plate 2, check valve 3 is used for preventing mortar reflux, the rigid coupling has mounting box 4 in outer tube 1, the rigid coupling has telescopic shaft 5 in the mounting box 4, the telescopic end rigid coupling of telescopic shaft 5 has movable plate 6, movable plate 6 is the rectangle, the mortar is impacted movable plate 6 after passing through check valve 3, be provided with the impact mechanism that is used for releasing pressure in the outer tube 1, after the pressure storage mechanism is accomplished to mortar secondary pressurization, can make the mortar spout through spray tube 100 through impact mechanism.
The pressure storage mechanism further comprises a protruding shaft A7, the bottom of the movable plate 6 is symmetrically and fixedly connected with the protruding shaft A7, the outer wall of the fixed end of the telescopic shaft 5 is symmetrically and slidably connected with a locking plate A8, an elastic piece A is arranged between the locking plate A8 and the outer wall of the fixed end of the telescopic shaft 5, the elastic piece A is a reset spring, the locking plate A8 is matched with the protruding shaft A7 to be used, and the locking plate A8 can limit the movable plate 6 through the protruding shaft A7.
The pressure storage mechanism further comprises a sleeve 9, the outer wall of the installation box 4 is symmetrically and fixedly connected with the sleeve 9, the telescopic shaft 5 is communicated with the inner cavity of the sleeve 9 through a transverse pipe, a piston rod 10 is connected in a sliding mode in the sleeve 9, an elastic piece B is arranged between the bottom end of the piston rod 10 and the inner wall of the sleeve 9, the elastic piece B is a compression spring, the inner wall of the sleeve 9 is symmetrically and slidingly connected with an elastic locking piece 11, the wedge face angle of the upper side of the elastic locking piece 11 is larger than the wedge face angle of the lower side, and a locking groove matched with the elastic locking piece 11 is formed in the bottom end of the piston rod 10.
The baffle plate is characterized by further comprising a fixing frame A12, wherein the fixing frame A12 is symmetrically and fixedly connected to the baffle plate 2, an elastic telescopic rod 13 is fixedly connected to the fixing frame A12, the sleeve 9 is communicated with the inner cavity of the elastic telescopic rod 13 through a hose (the hose is made of high-strength materials and can bear extremely high pressure), the telescopic end of the elastic telescopic rod 13 penetrates through the baffle plate 2 and is fixedly connected with a U-shaped plate 14, and the telescopic end of the elastic telescopic rod 13 drives the corresponding U-shaped plate 14 to move when moving.
The impact mechanism comprises a plywood 15, the plywood 15 is slidably connected in the U-shaped board 14, the two plywood 15 are propped against each other when moving, a fixing frame B16 is symmetrically and fixedly connected to the outer wall of the installation box 4, a blocking plate 17 is slidably connected in the fixing frame B16, guide grooves matched with the blocking plate 17 are formed in the installation box 4 and the fixing frame A12, and the blocking plate 17 can keep a sealing state with the installation box 4 and the fixing frame A12 when moving.
The impact mechanism further comprises a sliding shaft A18, one side, close to the adjacent fixing frame B16, of the laminated plate 15 is fixedly connected with the sliding shaft A18, the sliding shaft A18 penetrates through the U-shaped plate 14 and is in sliding connection with the blocking plate 17, the middle part of the blocking plate 17 is in sliding connection with the sliding shaft B19, the top end of the sliding shaft B19 is fixedly connected with a guide frame 20, an elastic piece C is arranged between the guide frame 20 and the blocking plate 17 and is a tension spring, protruding shafts matched with the guide frame 20 are symmetrically fixedly connected on the sliding shaft A18, and the laminated plate 15 can be moved when the guide frame 20 moves.
The impact mechanism further comprises an elastic lock pin 21, the elastic lock pin 21 is connected to the fixing frame B16 in a penetrating and sliding manner, a lock hole matched with the elastic lock pin 21 is formed in the blocking plate 17, a rectangular groove is formed in the outer wall of one end of the piston rod 10, a rotating plate 22 is hinged in the rectangular groove, an elastic piece D is arranged between the rotating plate 22 and the inner wall of the rectangular groove, the elastic piece D is a torsion spring, the rotating plate 22 is matched with the sliding shaft B19, a sliding groove is formed in the piston rod 10, a limiting plate 221 matched with the rotating plate 22 is connected to the sliding groove in a sliding manner, an arc groove matched with the limiting plate 221 is formed in the middle of the blocking plate 17, and the limiting plate 221 can be driven to move through friction force when the arc groove of the blocking plate 17 is contacted with the limiting plate 221.
The piston rod is characterized by further comprising a wedge block A23, the top end of the piston rod 10 is fixedly connected with the wedge block A23, one side of the elastic lock pin 21 is rotatably connected with a roller matched with the wedge block A23, and the wedge block A23 is used for enabling the elastic lock pin 21 to be separated from a lock hole of the blocking plate 17.
When the radial drilling device for spraying in the prior art is used, high-pressure mortar is supplied to the radial drilling device for hydraulic spraying through the high-pressure pump, the pressure of the high-pressure mortar is greatly reduced after the high-pressure mortar passes through a pipeline which is as long as several kilometers, so that the mortar pressure is insufficient when the radial drilling device for hydraulic spraying works, the drilling effect is poor, and the problems can be effectively solved through the hydraulic spraying radial drilling device for hydraulic spraying radial drilling device, which is specifically:
When the spray pipe 100 moves to a drilling position, mortar is conveyed into the outer pipe 1 through a high-pressure pump in the prior art, the mortar enters the mounting box 4 through the one-way valve 3 and impacts the moving plate 6, the moving plate 6 is impacted to drop and drive the telescopic end of the telescopic shaft 5 to shrink, the moving plate 6 drives the protruding shaft A7 to drop, the protruding shaft A7 falls and contacts with the inclined surface of the adjacent locking plate A8, the locking plate A8 is stressed to horizontally slide, an elastic piece A between the locking plate A8 and the telescopic shaft 5 shrinks, the protruding shaft A7 is not contacted with the inclined surface of the locking plate A8 any more after continuing to move and passes over, at the moment, the elastic piece A releases and drives the locking plate A8 to slide and reset, the locking plate A8 limits the moving plate 6 through the protruding shaft A7, so that the telescopic end of the telescopic shaft 5 does not move any more, at the moment, inner cavity air of the telescopic shaft 5 enters the sleeve 9 through the transverse pipe, the piston rod 10 is pushed by air, the elastic force of the elastic locking piece 11 is larger, the locking groove of the piston rod 10 applies force to the lower wedge surface of the elastic locking piece 11, at the moment, the air thrust of the piston rod 10 cannot extrude the elastic locking piece 11 from the locking groove, the piston rod 10 is kept stable, the air entering the sleeve 9 enters the elastic telescopic rod 13 through the hose, at the moment, the elastic lock pin 21 is inserted into the lock hole of the blocking plate 17 to limit the blocking plate 17, the blocking plate 17 limits the telescopic end of the elastic telescopic rod 13 through the U-shaped plate 14, at the moment, the inner cavity pressure of the elastic telescopic rod 13 is gradually increased, when the inner cavity pressure of the elastic telescopic rod 13 reaches a certain degree, the air cannot enter the inner cavity of the elastic telescopic rod 13 again, at the moment, the thrust of the inner cavity air of the telescopic shaft 5 to the piston rod 10 is increased, the extrusion force of the locking groove of the piston rod 10 to the elastic locking piece 11 is increased, the elastic locking piece 11 is forced to slide and shrink to one side far away from the piston rod 10 and is separated from the locking groove of the piston rod 10, the piston rod 10 slides upwards after being separated from the limit to shrink the elastic piece B, and the piston rod 10 drives the adjacent rotating plate 22, The limiting plate 221 and the wedge block A23 slide upwards, the rotating plate 22 contacts and extrudes the sliding shaft B19 after sliding, the torsion of the elastic piece D is larger than the elasticity of the elastic piece C, the sliding shaft B19 is stressed to drive the corresponding guide frame 20 to slide upwards, the elastic piece C is stressed to extend, the guide frame 20 extrudes the convex shaft on the adjacent sliding shaft A18, the convex shaft is stressed to drive the corresponding plywood 15 to slide through the sliding shaft A18, the two plywood 15 slide close to and abut against each other, then the wedge block A23 contacts and extrudes the roller on the adjacent elastic lock pin 21, the roller is stressed to rotate and drive the elastic lock pin 21 to slide to the side far away from the baffle plate 17 and separate from the lock hole of the baffle plate 17, after the baffle plate 17 is separated from the limit of the elastic lock pin 21, the U-shaped plate 14 can move, the inner cavity pressure of the elastic telescopic rod 13 is released, the telescopic end of the elastic telescopic rod 13 rapidly falls down and drives the plywood 15 to fall through the U-shaped plate 14, the two U-shaped plates 14 and the two plywood 15 apply huge extrusion force to mortar in the installation box 4 to enable the mortar to be sprayed at high pressure through the spray pipe 100, at the moment, the sliding shaft B19 is not contacted with the rotating plate 22 any more, in the descending process of the two plywood 15, as the bottom surfaces of the two plywood 15 incline oppositely, reaction pressure generated by the mortar on the two plywood 15 can enable the two plywood 15 to be propped against all the time, pressure loss caused by separation when the two plywood 15 descends is prevented, the spray pipe 100 sprays high-pressure mortar to drill holes, after the mortar in the installation box 4 is completely sprayed, the two plywood 15 is not subjected to reaction force of the mortar any more, at the moment, the elastic piece C contracts and drives the guide frame 20 to slide and reset, the guide frame 20 drives the sliding shaft B19 to reset, and the guide frame 20 drives the sliding shaft A18 to slide and reset by extruding the convex shaft, and drives the two plywood 15 to open, thereby realizing pressure storage and release of the pressure storage mechanism, the secondary extrusion and pressurization of the mortar are realized through the pressure storage mechanism, so that the spray pipe 100 sprays high-pressure mortar, and high-efficiency drilling is ensured.
The U-shaped plate 14 drives the plywood 15 to fall, and simultaneously, the U-shaped plate 14 drives the baffle 17 to slide downwards in the guide slot of installation box 4 and mount A12, can prevent from getting into installation box 4 and mount A12 in leading to mortar pressure to run off from this, and the baffle 17 extrudes the rotating plate 22, the rotating plate 22 atress rotates downwards and accomodates to the rectangular channel on the piston rod 10, arc groove on the baffle 17 and the surface contact of limiting plate 221 exert frictional force simultaneously, limiting plate 221 atress slides downwards in the sliding tray and carries out the spacing to the rotating plate 22, make elastic component D unable drive the rotating plate 22 and reset.
Example 2
As shown in fig. 1-9, the sliding plate further comprises a sliding shaft C24, the sliding plate 6 is symmetrically and penetratingly connected with the sliding shaft C24 in a sliding manner, an elastic piece E is arranged between the sliding shaft C24 and the sliding plate 6, the elastic piece E is a compression spring, a wedge block B25 is fixedly connected to the bottom end of the sliding shaft C24, a protruding shaft B26 matched with the wedge block B25 is fixedly connected to one side of the locking plate A8, and the locking plate A8 can slide horizontally when the wedge block B25 contacts with the protruding shaft B26.
When the moving plate 6 falls, the sliding shaft C24 is driven to fall, the wedge block B25 is driven to fall by the sliding shaft C24, a gap exists between the wedge block B25 and the adjacent protruding shaft B26 after falling, the U-shaped plate 14 falls and contacts and extrudes the top end of the sliding shaft C24, the sliding shaft C24 is stressed to slide downwards and enable the elastic piece E to shrink, the wedge block B25 is driven to fall by the sliding shaft C24, the wedge block B25 falls and contacts and extrudes the protruding shaft B26, the corresponding locking plate A8 is driven to slide horizontally by the stress of the protruding shaft B26, the elastic piece A is stressed to shrink, the locking plate A8 is not contacted with the protruding shaft A7 any more after sliding, the telescopic end of the telescopic shaft A7 can move after being separated from the limit, at this moment, the telescopic end of the elastic telescopic shaft A7 contracts and drives the U-shaped plate 14 to reset, the U-shaped plate 14 drives the adjacent plywood 15 to reset the piston rod 17, the blocking plate 17 drives the guide frame 20 to reset through the sliding shaft B19, simultaneously the telescopic end of the piston rod 10 resets, the telescopic end of the blocking plate 22 and the limiting plate 221 drives the piston rod 10 to slide plate 22 to move upwards, the sliding plate 221 moves back to the inner cavity 10 and the inner cavity of the sliding plate 5 through the sliding sleeve 17, and the sliding plate 17 returns to the inner cavity 5, and the sliding plate 5 is driven by the sliding plate 10 to rotate, and the telescopic plate 17 returns to the telescopic end of the sliding plate 10 to the inner cavity, and the sliding plate is contacted with the telescopic plate, and the telescopic plate is completely through the telescopic plate, and the telescopic plate is completely and is completely released.
A method of a jet radial drilling apparatus for carbonate reservoir exploitation, comprising the steps of:
s1, mortar is conveyed into an outer tube 1 through a high-pressure pump in the prior art, and the mortar passes through a one-way valve 3 and impacts a moving plate 6, so that a telescopic shaft 5 is contracted, and air in an inner cavity of the telescopic shaft 5 enters a sleeve 9 and enters an inner cavity of an elastic telescopic rod 13 through a hose;
S2, after enough pressure is accumulated in the elastic telescopic rod 13, the elastic locking block 11 is separated from a locking groove on the piston rod 10, the piston rod 10 drives the rotating plate 22 to extrude the sliding shaft B19, so that the two plywood 15 are combined, and then the wedge block A23 extrudes the elastic locking pin 21, so that the elastic locking pin 21 does not limit the blocking plate 17 any more;
and S3, the telescopic end of the elastic telescopic rod 13 drives the plywood 15 to extrude the mortar through the U-shaped plate 14, so that the spraying pipe 100 sprays the mortar to drill holes.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (3)
1. The jet radial drilling device for the exploitation of the carbonate oil reservoir comprises an outer tube (1), wherein a spray tube (100) is communicated with the bottom of the outer tube (1), and the jet radial drilling device is characterized by further comprising a pressure storage mechanism for secondarily pressurizing mortar, wherein the pressure storage mechanism comprises a baffle plate (2) fixedly connected in the outer tube (1), a one-way valve (3) is arranged on the baffle plate (2), a mounting box (4) is fixedly connected in the outer tube (1), a telescopic shaft (5) is fixedly connected in the mounting box (4), a movable plate (6) is fixedly connected at the telescopic end of the telescopic shaft (5), and an impact mechanism for releasing pressure is arranged in the outer tube (1);
The pressure storage mechanism further comprises a sleeve (9), the sleeve (9) is symmetrically and fixedly connected to the outer wall of the mounting box (4), the telescopic shaft (5) is communicated with the inner cavity of the sleeve (9) through a transverse pipe, a piston rod (10) is connected in a sliding mode in the sleeve (9), an elastic piece B is arranged between the bottom end of the piston rod (10) and the inner wall of the sleeve (9), an elastic locking block (11) is symmetrically and slidingly connected to the inner wall of the sleeve (9), and a locking groove matched with the elastic locking block (11) is formed in the bottom end of the piston rod (10);
The novel anti-friction device is characterized by further comprising a fixing frame A (12), wherein the fixing frame A (12) is symmetrically and fixedly connected to the baffle plate (2), an elastic telescopic rod (13) is fixedly connected in the fixing frame A (12), the sleeve (9) is communicated with the inner cavity of the elastic telescopic rod (13) through a hose, and the telescopic end of the elastic telescopic rod (13) penetrates through the baffle plate (2) and is fixedly connected with a U-shaped plate (14);
The impact mechanism comprises a plywood (15), the plywood (15) is connected in a sliding manner in the U-shaped board (14), a fixing frame B (16) is symmetrically and fixedly connected to the outer wall of the mounting box (4), a blocking plate (17) is connected in a sliding manner in the fixing frame B (16), and guide grooves matched with the blocking plate (17) in use are formed in the mounting box (4) and the fixing frame A (12);
The pressure storage mechanism further comprises a protruding shaft A (7), the protruding shaft A (7) is symmetrically and fixedly connected to the bottom of the movable plate (6), a locking plate A (8) is symmetrically and slidingly connected to the outer wall of the fixed end of the telescopic shaft (5), an elastic piece A is arranged between the locking plate A (8) and the outer wall of the fixed end of the telescopic shaft (5), and the locking plate A (8) is matched with the protruding shaft A (7);
The impact mechanism further comprises a sliding shaft A (18), one side, close to the fixed frame B (16), of the plywood (15) is fixedly connected with the sliding shaft A (18), the sliding shaft A (18) is connected with the U-shaped plate (14) and the blocking plate (17) in a penetrating mode in a sliding mode, the middle portion of the blocking plate (17) is connected with the sliding shaft B (19) in a sliding mode, the top end of the sliding shaft B (19) is fixedly connected with a guide frame (20), an elastic piece C is arranged between the guide frame (20) and the blocking plate (17), and protruding shafts matched with the guide frame (20) in use are symmetrically fixedly connected on the sliding shaft A (18);
The impact mechanism further comprises an elastic lock pin (21), the elastic lock pin (21) is connected to the fixing frame B (16) in a penetrating manner in a sliding manner, a lock hole matched with the elastic lock pin (21) is formed in the blocking plate (17), a rectangular groove is formed in the outer wall of one end of the piston rod (10), a rotating plate (22) is hinged in the rectangular groove, an elastic piece D is arranged between the rotating plate (22) and the inner wall of the rectangular groove, the rotating plate (22) is matched with the sliding shaft B (19), a sliding groove is formed in the piston rod (10), a limiting plate (221) matched with the rotating plate (22) is connected to the sliding groove in a sliding manner, and an arc-shaped groove matched with the limiting plate (221) is formed in the middle of the blocking plate (17);
the piston rod is characterized by further comprising a wedge block A (23), the top end of the piston rod (10) is fixedly connected with the wedge block A (23), and one side of the elastic lock pin (21) is rotationally connected with a roller matched with the wedge block A (23).
2. The jet radial drilling device for carbonate reservoir exploitation, as set forth in claim 1, further comprising a sliding shaft C (24), wherein the sliding shaft C (24) is symmetrically connected to the moving plate (6) in a penetrating and sliding manner, an elastic piece E is arranged between the sliding shaft C (24) and the moving plate (6), a wedge block B (25) is fixedly connected to the bottom end of the sliding shaft C (24), and a protruding shaft B (26) matched with the wedge block B (25) is fixedly connected to one side of the locking plate A (8).
3. The method of injecting a radial drilling apparatus for carbonate reservoir exploitation according to claim 2, comprising the steps of:
S1, mortar is conveyed into the outer tube (1) through a high-pressure pump in the prior art, the mortar passes through the one-way valve (3) and impacts the movable plate (6), so that the telescopic shaft (5) is contracted, and inner cavity air of the telescopic shaft (5) enters the sleeve (9) and enters the inner cavity of the elastic telescopic rod (13) through a hose;
S2, after enough pressure is accumulated in the elastic telescopic rod (13), the elastic locking block (11) is separated from a locking groove on the piston rod (10), the piston rod (10) drives the rotating plate (22) to extrude the sliding shaft B (19) so that the two plywood plates (15) are combined, and then the wedge block A (23) extrudes the elastic locking pin (21) so that the elastic locking pin (21) does not limit the blocking plate (17);
S3, the telescopic end of the elastic telescopic rod (13) drives the plywood (15) to extrude the mortar through the U-shaped plate (14), so that the spraying pipe (100) sprays the mortar to drill holes.
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| CN117905412A (en) * | 2024-03-19 | 2024-04-19 | 东营市胜博电子科技有限公司 | Self-cleaning float collar float shoe for petroleum exploitation |
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| CN106285577B (en) * | 2016-10-27 | 2019-09-24 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of spiral-flow type hydraulic ejector with spiral mandrel |
| CN111535812B (en) * | 2020-05-07 | 2021-03-19 | 苏州赛荣建筑装饰工程有限公司 | Fluidic device for oil shale drilling and hydraulic mining |
| KR102297431B1 (en) * | 2021-05-11 | 2021-09-03 | 유한회사 지엘산업 | High pressure grouting injection equipment |
| CN116335579B (en) * | 2023-05-26 | 2023-08-11 | 大庆辰平钻井技术服务有限公司 | Oil field well casing packer and non-cementing injection self-plugging staged fracturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453798A (en) * | 2014-10-31 | 2015-03-25 | 克拉玛依市红都有限责任公司 | PVC sleeve pipe waterpower sand blasting perforation device and using method thereof |
| CN117905412A (en) * | 2024-03-19 | 2024-04-19 | 东营市胜博电子科技有限公司 | Self-cleaning float collar float shoe for petroleum exploitation |
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