CN116122767B - Petroleum drilling plugging device and plugging method - Google Patents
Petroleum drilling plugging device and plugging method Download PDFInfo
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- CN116122767B CN116122767B CN202211655345.1A CN202211655345A CN116122767B CN 116122767 B CN116122767 B CN 116122767B CN 202211655345 A CN202211655345 A CN 202211655345A CN 116122767 B CN116122767 B CN 116122767B
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000005553 drilling Methods 0.000 title claims abstract description 26
- 239000003208 petroleum Substances 0.000 title claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 41
- 230000001681 protective effect Effects 0.000 claims abstract description 28
- 230000009471 action Effects 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 230000008439 repair process Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 description 21
- 239000003673 groundwater Substances 0.000 description 8
- 239000003129 oil well Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000009975 flexible effect Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
- E21B33/138—Plastering the borehole wall; Injecting into the formation
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Pipe Accessories (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the technical field of petroleum exploitation, in particular to a plugging device and a plugging method for petroleum drilling. According to the petroleum drilling plugging device and the petroleum drilling plugging method, the moving device and the conveying device are arranged, the plugging agent can be driven to move to the position where plugging is needed when plugging is needed, the protective casing can be driven to move on the inner wall of the drill pipe through rotation of the roller, the roller is connected through the annular spring, the pipeline diameters of different diameters can be adapted, the protective casing can be conveniently moved, the plugging position of the movable casing can be determined through cooperation between the ranging sensor and the distance sensor, the movable casing can be conveniently and accurately plugged with the plugging hole, and accordingly conveying actions of the plugging agent can be carried out.
Description
Technical Field
The invention relates to the technical field of oil exploitation, in particular to a plugging device and a plugging method for petroleum drilling.
Background
Petroleum extraction refers to the act of excavating and extracting petroleum where it is stored. In the process of petroleum exploitation, oil gas flows into the bottom of a well from a reservoir, and rises to a driving mode of a wellhead from the bottom of the well.
The method is simple, but the injected nonmetallic ball and steel balls in the later circulation holes are required to be subjected to material filling, the leakage filling work cannot be carried out for many times, meanwhile, the mandrel is driven to move downwards by the gravity of the slurry to open the circulation holes, the positioning is inaccurate, the pressure of the underground water is possibly larger, the leakage stopping liquid flows out from between the circulation holes, if the pressure of the underground water is too large, the leakage stopping liquid can not be smoothly discharged, and the leakage stopping liquid can be blocked up and damaged.
Disclosure of Invention
Based on the technical problems that the existing oil exploitation and plugging process is inaccurate in positioning, the pressure of underground water is possibly larger, and if the pressure of the underground water is too large, the underground water cannot be smoothly discharged, and the underground water is possibly reversely plugged to cause damage, the invention provides an oil drilling plugging device and an oil drilling plugging method.
The invention provides a plugging device for petroleum drilling, which comprises a drill pipe, a drill bit fixedly arranged at one end of the drill pipe, a plugging hole formed in the outer surface of the drill pipe, a connecting device, a movable shell, a protective shell, a movable device and a conveying device.
The connecting device comprises a connecting pipeline for connecting, the connecting device is positioned in the drill pipe, and the connecting pipeline performs sealing action on the leakage repairing hole.
The moving device comprises a roller for moving, the moving device is positioned on the outer surface of the moving shell, and the rotating of the roller drives the moving shell to move on the inner wall of the drill pipe.
The conveying device is positioned on the lower surface of the movable casing and conveys the leakage repairing agent for leakage repairing out of the drill pipe, the conveying device comprises a telescopic mechanism, a conveying mechanism and an adjusting mechanism, the telescopic mechanism comprises an adjusting pushing plate, the position of the conveying mechanism is adjusted by the movement of the pushing plate, the conveying mechanism comprises an elastic sleeve used for conveying the leakage repairing agent, the elastic sleeve conveys the leakage repairing agent, the adjusting mechanism comprises a deflection plate used for adjusting, and the pipe orifice of the elastic sleeve is adjusted by the movement of the deflection plate to adjust the conveying quantity of the leakage repairing agent.
Preferably, the two ends of the inner wall of the drill pipe are fixedly provided with limit sleeves, the outer surface of the connecting pipeline is in sliding connection with the inner wall of the limit sleeves, the two sides of the outer surface of the connecting pipeline are provided with plug holes, the lower surface of the connecting pipeline is fixedly provided with a tower-shaped spring, and one end of the tower-shaped spring is fixedly arranged with the inner bottom wall of the limit sleeve.
Through above-mentioned technical scheme, when the benefit of through the spliced eye with on the drill pipe leaks the hole relatively, can be convenient for carry benefit of leaking the agent, through the removal of connecting tube, can seal benefit of leaking the hole, prevent that the outer liquid of drill pipe from getting into in the drill pipe, the reset of the connection spring of tower type spring of being convenient for, the occupation space can be saved to the tower type spring.
Preferably, the inner wall fixed mounting of connecting tube has the fixed slot body, the interior bottom wall fixed mounting of fixed slot body has the gag lever post, the surface slip grafting of gag lever post has the boss of pressing, the lower fixed surface of pressing the boss installs connecting spring, connecting spring's one end with the inner wall fixed mounting of fixed slot body, the inner wall slip grafting of fixed slot body has the fixed pin that has the ball, the ball surface of fixed pin with the surface slip grafting of pressing the boss, the surface fixed mounting of fixed pin has reset spring, reset spring's one end with the inner wall fixed mounting of fixed slot body, the locked groove that is annular array distribution has been seted up to limit sleeve's inner wall, the one end of fixed pin run through behind the surface of connecting tube with the inner wall slip grafting of locked groove.
The lower surface of the protective shell is fixedly provided with a pressing table, and the inner wall of the pressing table is fixedly provided with a distance sensor.
Through above-mentioned technical scheme, press the back through pressing the boss pressurized for the fixed pin can carry out the rebound under reset spring's effort, can leave the locked groove, thereby connecting tube can remove, peg graft through fixed pin and locked groove, can realize fixing connecting tube, be convenient for when not needing the benefit of leaking, connecting tube can not take place to remove, the outer liquid of drill pipe can not get into the drill pipe through the clearance between connecting tube and the drill pipe in, cause the influence to the drilling, monitor the distance between pressing the boss with pressing the platform through the distance sensor, the removal of the control movable shell of being convenient for.
Preferably, the upper surface of the movable housing is hinged with a connecting frame distributed in an annular array through a pin shaft, the outer surface of the roller is rotationally connected with one end of the connecting frame, a driving motor for driving the roller to rotate is fixedly arranged on the outer surface of the connecting frame, and an annular spring is fixedly arranged on the outer surface of the connecting frame.
Through above-mentioned technical scheme, through the rotation of gyro wheel for remove the shell and remove at the inner wall of drill pipe, drive conveyor and remove at the inner wall of drill pipe, remove to the point of mending the leak, be convenient for carry the position that needs the benefit of mending the leak agent to the benefit of mending the leak.
Preferably, a rotating motor is fixedly arranged on the inner wall of the movable shell, the lower surface of the movable shell is rotatably connected with the upper surface of the protective shell through a bearing, and one end of an output shaft of the rotating motor is fixedly arranged on the upper surface of the protective shell.
Through above-mentioned technical scheme, can drive the protective housing through rotary motor and rotate, be convenient for according to the position of leak protection hole can be adjusted to peg graft between conveying mechanism and the spliced eye with mechanical energy.
Preferably, the inner bottom wall of the protective shell is fixedly provided with a telescopic hydraulic cylinder, one end of the telescopic hydraulic cylinder is fixedly arranged on the lower surface of the pushing plate, and the outer surface of the pushing plate is provided with a pushing groove.
Through above-mentioned technical scheme, can adjust conveying mechanism's flexible action of going on through the promotion of pushing plate, be convenient for when meetting spliced eye and benefit to leak hole, can peg graft with spliced eye and benefit between the leak hole.
Preferably, the conveying mechanism further comprises a movable sleeve which is in sliding connection with the outer surface of the protective shell and provided with a connecting column, the outer surface of the connecting column of the movable sleeve is in sliding connection with the inner wall of the pushing groove, and a ranging sensor is fixedly arranged on the outer surface of the movable sleeve.
Through above-mentioned technical scheme, can realize driving the flexible action of moving the sleeve pipe and carrying out the horizontal direction through the lift in pushing the groove, monitor the position of spliced eye and leak protection hole through range sensor, be convenient for carry out grafting work.
Preferably, the inner wall of the movable sleeve is fixedly installed with one end of the elastic sleeve, two telescopic hoses are fixedly installed on the outer surfaces of the two telescopic hoses, conveying hoses are fixedly installed on the outer surfaces of the telescopic hoses, and one ends of the conveying hoses penetrate through and extend to the upper surface of the movable shell.
Through above-mentioned technical scheme, carry the leak repairing agent to the elastic tube through the conveying hose in, connect through flexible hose between two elastic tubes, the elastic tube of being convenient for removes along with removing the sheathed tube removal.
Preferably, the inner wall of the movable sleeve is fixedly provided with a limiting disc with an arc-shaped groove, the inner wall of the limiting disc is rotationally connected with a driving ring with an arc-shaped groove, the outer surfaces of the two sides of the deflection plate are respectively in sliding connection with the inner walls of the arc-shaped grooves of the limiting disc and the driving ring through connecting rods, and the outer surface of the deflection plate is fixedly provided with a connecting elastic membrane.
The outer surface of the connecting elastic membrane is fixedly arranged with one end of the elastic sleeve.
The inner wall of the protective casing is fixedly provided with an adjusting motor through a support, the inside of the limiting disc is provided with a driving gear through a bearing, the outer surface of the driving ring is fixedly provided with a half-tooth ring, the outer surface of the driving gear is meshed with the outer surface of the driving gear, the outer surface of the driving gear is fixedly provided with a connecting shaft, one end of the connecting shaft is slidably sleeved with a driving sleeve, one end of the driving sleeve is fixedly provided with the outer surface of the support through a bearing seat, and one end of an output shaft of the driving motor is driven by a bevel gear to rotate the driving sleeve.
Through above-mentioned technical scheme, through the rotation of driving the ring, can drive the deflector plate and deflect in the arc wall on the limiting plate, a plurality of deflector plates can seal the centre bore of limiting plate, the size of limiting plate centre bore is adjusted through deflector plate deflection, be convenient for adjust the flow and the pressure of mending the leak agent according to the velocity of flow of drill pipe outer liquid, connect the elastic membrane and can seal between the deflector plate, can stimulate the orificial diameter size of flexible sleeve's mouth of pipe and change and adjust through the removal of deflector plate, drive the rotation of two driving rings through an accommodate motor, peg graft between driving sleeve and the connecting axle, do not influence the removal of moving sleeve in the time of can driving the connecting axle pivoted.
The invention provides a plugging method of a plugging device for petroleum drilling, which comprises the following steps:
s1: when the drill bit works, after the position needing to be repaired is found, the movable shell is placed into the drill pipe according to the position of the inserting hole, the connecting frame compresses the annular spring after receiving the pressure of the drill pipe, the roller can be attached to the inner wall of the drill pipe, and the driving motor drives the roller to move downwards on the inner wall of the drill pipe through the starting of the driving motor, and meanwhile, the conveying hose is conveyed downwards.
S2: after the lower surface of the pressing table is contacted with the upper surface of the pressing boss, the numerical value monitored by the distance sensor is in a corresponding range, the pressing table can be pushed to move downwards after a set distance is continuously moved downwards under the rolling action of the roller, the connecting spring is compressed after the pressing boss moves downwards in the fixed groove body, the fixing pin can move inwards under the acting force of the reset spring, the fixing pin is separated from the splicing of the locking groove on the limiting sleeve, and the fixation between the connecting pipeline and the limiting sleeve is released.
S3: meanwhile, after the distance measuring sensor monitors the position of the inserting hole, the pushing plate is pulled to move downwards by the telescopic hydraulic cylinder on the inner wall of the movable casing, the pushing groove drives the connecting column on the movable sleeve to move along the track of the pushing groove, so that the movable sleeve can be pushed to move outwards, the movable sleeve is inserted into the inserting hole, when the movable sleeve cannot be inserted into the inserting hole, the rotary motor is started to drive the protective casing to rotate, after the position of the movable sleeve is finely adjusted, the movable sleeve can be inserted into the inserting hole, the telescopic hose is stretched, the roller continues to rotate, the connecting pipeline is driven to move downwards on the inner wall of the limiting sleeve, the roller can retract inwards after receiving the extrusion force after encountering the inner wall of the limiting sleeve, and the roller is convenient to attach to the inner wall of the limiting sleeve.
S4: after the plugging hole on the connecting pipeline corresponds to the leakage repairing hole on the outer surface of the drill pipe, the distance sensor is used for monitoring the change of the distance, the telescopic hydraulic cylinder is controlled to continuously pull the pushing plate downwards, the movable sleeve is plugged into the leakage repairing hole, the connecting shaft moves in the driving sleeve, the adjusting motor is controlled to be started according to the pressure of liquid outside the drill pipe, the adjusting motor drives the driving sleeve to rotate, the driving sleeve drives the connecting shaft to rotate, the connecting shaft drives the driving gear in the limiting disc to rotate, the driving gear drives the driving ring to rotate through the half-tooth ring, the driving ring drives the deflection plate to deflect through the arc-shaped groove, a through hole is opened in the central hole of the sealed limiting disc, the rotation of the deflection plate drives the connecting elastic membrane to be stretched, and the stretching of the connecting elastic membrane drives the pipe orifice of the elastic sleeve to be stretched.
S5: the leak repairing agent in the conveying hose enters the elastic sleeve through the telescopic hose and is discharged through the pipe orifice of the elastic sleeve, and the cross section of the elastic sleeve is in a horn shape, so that the pressure of the leak repairing agent flowing out can be increased, the liquid outside the drill pipe is prevented from flowing into the elastic sleeve, and the leak repairing agent can repair the position needing leak repairing.
The beneficial effects of the invention are as follows:
1. through setting up connecting device, can seal the work to the benefit of leaking stoppage hole on the drill pipe, through connecting tube's removal, can realize carrying out relatively with benefit of leaking stoppage hole and spliced eye, be convenient for remove the sleeve pipe and mend the connection between the leaking stoppage hole to can realize carrying the action with leaking stoppage agent, through the grafting of fixed pin and last locked groove of limit sleeve, can realize fixing connecting tube, prevent when not needing leaking stoppage, connecting tube's emergence removes, causes the influence to the work of drill pipe.
2. Through setting up mobile device and conveyor, can drive the leak repairing agent and remove to the position that needs the leak repairing when needs leak repairing, through the rotation of gyro wheel, can drive the protecting sheathing and remove at the inner wall of drill pipe, the gyro wheel passes through annular spring's connection, can adapt to the pipeline diameter of different diameters, the removal of protecting sheathing of being convenient for, through the cooperation between range sensor and the distance sensor, can confirm the position of moving the sleeve pipe grafting, be convenient for accurate will remove the sleeve pipe and peg graft between the leak repairing hole, thereby can carry the action to the leak repairing agent.
3. Through setting up mobile device, can control the pressure and the flow that the benefit agent was carried, prevent that the groundwater outside the drill pipe from causing the influence to benefit agent's output, through the deflection of deflector plate can adjust elastic tube's mouth of pipe, elastic tube's cross-section is loudspeaker shape, through elastic tube's orificial change of diameter, can change benefit agent outflow speed, according to the velocity of flow of drill pipe groundwater outside, can adjust benefit agent outflow velocity of flow, the inaccurate in the current oil exploitation leaking stoppage in-process location has been solved, and groundwater pressure is probably great, flow from between the circulation hole through leaking stoppage liquid, if groundwater pressure is too big, then can't make leaking stoppage liquid discharge smoothly, still probably be by anti-stifled, cause the technical problem of harm.
Drawings
FIG. 1 is a schematic diagram of a plugging device and a plugging method for petroleum drilling according to the present invention;
FIG. 2 is a perspective view of a limiting sleeve structure of a plugging device and a plugging method for petroleum drilling according to the present invention;
FIG. 3 is a perspective view of a connecting pipeline structure of a plugging device and a plugging method for petroleum drilling according to the present invention;
fig. 4 is a perspective view of a pressing boss structure of the plugging device and the plugging method for petroleum drilling according to the present invention;
FIG. 5 is a perspective view of a structure of a fixing pin of the plugging device and the plugging method for petroleum drilling according to the present invention;
FIG. 6 is a perspective view of a mobile housing structure of an oil well plugging device and method according to the present invention;
FIG. 7 is a perspective view of a distance sensor structure of an oil well plugging device and method according to the present invention;
FIG. 8 is a perspective view of a ring spring structure of an oil well plugging device and method according to the present invention;
FIG. 9 is a perspective view of a rotating electrical machine structure of a plugging device and a plugging method for petroleum drilling according to the present invention;
FIG. 10 is a perspective view of a mobile casing structure of an oil well plugging device and method according to the present invention;
FIG. 11 is a perspective view of a pusher plate structure of an oil well plugging device and method according to the present invention;
FIG. 12 is a perspective view of an elastic sleeve structure of an oil well plugging device and method according to the present invention;
FIG. 13 is a perspective view of a connecting shaft structure of a plugging device and a plugging method for petroleum drilling according to the present invention;
FIG. 14 is a perspective view of a spacing disc structure of an oil well plugging device and method according to the present invention;
FIG. 15 is a perspective view of a driving ring structure of a plugging device and a plugging method for petroleum drilling according to the present invention;
fig. 16 is a perspective view of a deflector structure of a plugging device and a plugging method for petroleum drilling according to the present invention.
In the figure: 1. drilling a pipe; 11. a drill bit; 12. a leak hole; 2. a limit sleeve; 21. a connecting pipe; 22. a plug hole; 23. a tower-type spring; 3. a fixed groove body; 31. a limit rod; 32. pressing the boss; 33. a connecting spring; 34. a fixing pin; 35. a return spring; 36. a locking groove; 37. a pressing table; 38. a distance sensor; 4. a movable housing; 41. a connecting frame; 42. a roller; 43. a driving motor; 44. an annular spring; 45. a rotating electric machine; 46. a protective housing; 5. a telescopic hydraulic cylinder; 51. a pushing plate; 52. a pushing groove; 6. moving the sleeve; 61. a ranging sensor; 62. an elastic sleeve; 63. a flexible hose; 64. a conveying hose; 7. a limiting disc; 71. a drive ring; 72. a deflector plate; 73. connecting an elastic membrane; 8. adjusting a motor; 81. a drive gear; 82. a half-toothed ring; 83. a connecting shaft; 84. the sleeve is driven.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-16, a plugging device and a plugging method for petroleum drilling comprise a drill pipe 1, a drill bit 11 fixedly arranged at one end of the drill pipe 1, a plugging hole 12 formed on the outer surface of the drill pipe 1, a connecting device, a movable housing 4, a protective housing 46, a movable device and a conveying device.
As shown in fig. 2-7, the connection device comprises a connection pipe 21 for connection, the connection device is located inside the drill pipe 1, and the connection pipe 21 performs sealing action on the leak-repairing hole 12.
In order to limit the connecting pipeline 21 and seal between the connecting pipeline 21 and the drill pipe 1, the limiting sleeve 2 is fixedly arranged at two ends of the inner wall of the drill pipe 1, the outer surface of the connecting pipeline 21 is in sliding connection with the inner wall of the limiting sleeve 2, in order to facilitate the conveying of the leakage repairing agent through the leakage repairing holes 12, the two sides of the outer surface of the connecting pipeline 21 are provided with the inserting holes 22 with the same size as the leakage repairing holes 12, the inserting holes 22 can be relatively attached to the leakage repairing holes 12 under the movement of the connecting pipeline 21, in order to facilitate the resetting of the connecting pipeline 21, the tower-shaped spring 23 is fixedly arranged on the lower surface of the connecting pipeline 21, and one end of the tower-shaped spring 23 is fixedly arranged on the inner bottom wall of the limiting sleeve 2.
In order to fix the connecting pipeline 21, a fixed groove body 3 is fixedly arranged on the inner wall of the connecting pipeline 21, a limiting rod 31 is fixedly arranged on the inner bottom wall of the fixed groove body 3, a pressing boss 32 is fixedly inserted on the outer surface of the limiting rod 31, a connecting spring 33 is fixedly arranged on the lower surface of the pressing boss 32 in order to reset the pressing boss 32, one end of the connecting spring 33 is fixedly arranged on the inner wall of the fixed groove body 3, a fixing pin 34 with balls is fixedly inserted on the inner wall of the fixed groove body 3 in order to fix the connecting pipeline 21 and the limiting sleeve 2, a ball outer surface of the fixing pin 34 is slidably inserted on the outer surface of the pressing boss 32 in order to facilitate the movement of the fixing pin 34, a reset spring 35 is fixedly arranged on the outer surface of the fixing pin 34, one end of the reset spring 35 is fixedly arranged on the inner wall of the fixed groove body 3, a locking groove 36 distributed in an annular array is formed in the inner wall of the limiting sleeve 2, and one end of the fixing pin 34 penetrates through the outer surface of the connecting pipeline 21 and is slidably inserted on the inner wall of the locking groove 36;
in order to facilitate the movement of the pushing boss 32, a pushing table 37 is fixedly mounted on the lower surface of the protective housing 46, and a distance sensor 38 is fixedly mounted on the inner wall of the pushing table 37.
Through setting up connecting device, can carry out sealing work to the benefit of the hole 12 on the drill pipe 1, through the removal of connecting tube 21, can realize carrying out relatively benefit of hole 12 and spliced eye 22, be convenient for remove the sleeve pipe 6 and benefit of being connected between the hole 12 to can realize carrying the action with leaking stoppage agent, through the grafting of fixed pin 34 and locking groove 36 on spacing sleeve pipe 2, can realize the fixed to connecting tube 21, prevent when not needing the leaking stoppage, the emergence of connecting tube 21 removes, causes the influence to the work of drill pipe 1.
As shown in fig. 8-9, the moving device comprises a roller 42 for moving, the moving device is positioned on the outer surface of the moving casing 4, and the rotation of the roller 42 drives the moving casing 4 to move on the inner wall of the drill pipe 1.
In order to facilitate the movement of the movable housing 4, the upper surface of the movable housing 4 is hinged with a connecting frame 41 distributed in an annular array through a pin shaft, the outer surface of each roller 42 is rotationally connected with one end of the connecting frame 41, a driving motor 43 for driving the rollers 42 to rotate is fixedly arranged on the outer surface of the connecting frame 41, and an annular spring 44 is fixedly arranged on the outer surface of the connecting frame 41 so as to facilitate the adjustment of the position of the rollers 42, so that the rollers 42 can adapt to the diameters of various pipelines.
In order to facilitate accurate positioning of the conveying device, a rotating motor 45 is fixedly mounted on the inner wall of the movable housing 4, the lower surface of the movable housing 4 is rotatably connected with the upper surface of the protective housing 46 through a bearing, and one end of an output shaft of the rotating motor 45 is fixedly mounted on the upper surface of the protective housing 46.
Through setting up mobile device and conveyor, can drive the leak repairing agent and remove to the position that needs the leak repairing when needs leak repairing, through the rotation of gyro wheel 42, can drive the shell 46 and remove at the inner wall of drill pipe 1, the gyro wheel 42 passes through the connection of annular spring 44, can adapt to the pipeline diameter of different diameters, the removal of shell 46 of being convenient for, through the cooperation between range sensor 61 and the distance sensor 38, can confirm the position of moving sleeve 6 grafting, be convenient for accurately peg graft between moving sleeve 6 and the leak repairing hole 12, thereby can carry the action to the leak repairing agent.
As shown in fig. 10 to 16, the conveying device is located on the lower surface of the movable housing 4 and conveys the leakage repairing agent for repairing leakage to the outside of the drill pipe 1, the conveying device comprises a telescopic mechanism, a conveying mechanism and an adjusting mechanism, the telescopic mechanism comprises an adjusting pushing plate 51, the position of the conveying mechanism is adjusted by the movement of the pushing plate 51, the conveying mechanism comprises an elastic sleeve 62 for conveying the leakage repairing agent, the elastic sleeve 62 conveys the leakage repairing agent, the adjusting mechanism comprises a deflection plate 72 for adjusting, and the nozzle of the elastic sleeve 62 is adjusted by the movement of the deflection plate 72.
In order to adjust the position of the conveying mechanism, the conveying mechanism can be conveniently inserted into the inserting hole 22 and the leakage repairing hole 12, a telescopic hydraulic cylinder 5 is fixedly arranged on the inner bottom wall of the protective shell 46, one end of the telescopic hydraulic cylinder 5 is fixedly arranged on the lower surface of the pushing plate 51, and a pushing groove 52 is formed in the outer surface of the pushing plate 51.
The conveying mechanism further comprises a movable sleeve 6 which is slidably inserted into the outer surface of the protective casing 46 and provided with a connecting column, in order to drive the movable sleeve 6 to move, the outer surface of the connecting column of the movable sleeve 6 is slidably inserted into the inner wall of the pushing groove 52, and in order to control the movable sleeve 6 to move accurately, a ranging sensor 61 is fixedly arranged on the outer surface of the movable sleeve 6.
For delivering the leak-repairing agent, the inner wall of the moving sleeve 6 is fixedly installed with one end of the elastic sleeve 62, the elastic sleeve 62 comprises but is not limited to one of rubber materials, in order not to affect the movement of the moving sleeve 6, two outer surfaces of the opposite elastic sleeves 62 are fixedly installed with telescopic hoses 63, the outer surfaces of the telescopic hoses 63 are fixedly installed with delivery hoses 64, and one end of the delivery hose 64 penetrates and extends to the upper surface of the moving housing 4.
In order to change the pipe orifice of the elastic sleeve 62, a limiting disc 7 with an arc-shaped groove is fixedly arranged on the inner wall of the movable sleeve 6, a driving ring 71 with an arc-shaped groove is rotatably connected to the inner wall of the limiting disc 7 in order to drive the deflection plate 72 to deflect, the outer surfaces of the two sides of the deflection plate 72 are respectively in sliding connection with the limiting disc 7 and the inner wall of the arc-shaped groove of the driving ring 71 through connecting rods, and a connecting elastic membrane 73 is fixedly arranged on the outer surface of the deflection plate 72 in order to seal the deflection plate 72.
To change the orifice diameter of the elastic tube 62 by the movement of the deflector plate 72, the outer surface of the connection elastic membrane 73 is fixedly installed with one end of the elastic tube 62.
In order to drive the driving ring 71 to rotate, the inner wall of the protective housing 46 is fixedly provided with the adjusting motor 8 through the support, the driving gear 81 is arranged in the limiting disc 7 through the bearing, the outer surface of the driving ring 71 is fixedly provided with the half-tooth ring 82, the outer surface of the driving gear 81 is meshed with the outer surface of the driving gear 81, in order to drive the rotation of the two driving gears 81 through one adjusting motor 8, the outer surface of the driving gear 81 is fixedly provided with the connecting shaft 83, one end of the connecting shaft 83 is in sliding sleeve connection with the driving sleeve 84, one end of the driving sleeve 84 is fixedly arranged with the outer surface of the support through the bearing seat, and one end of the output shaft of the driving motor 43 drives the driving sleeve 84 to rotate through the bevel gear.
Through setting up mobile device, can control the pressure and the flow that the benefit agent was carried, prevent that the groundwater outside the drill pipe 1 from causing the influence to the export of benefit agent, the mouth of pipe of elastic sleeve 62 can be adjusted through the deflection of deflector 72, the cross-section of elastic sleeve 62 is loudspeaker shape, through the change of elastic sleeve 62 orificial diameter, can change the speed that the benefit agent flowed out, according to the velocity of flow of groundwater outside the drill pipe 1, can adjust the velocity of flow that the benefit agent flowed out, the inaccurate in positioning of current oil exploitation leaking stoppage in-process has been solved, and the groundwater pressure is probably great, flow out from between the circulation hole through leaking stoppage liquid, if groundwater pressure is too big, can't make leaking stoppage liquid discharge smoothly, it is also possible to be anti-stifled, cause the technical problem of harm.
Working principle: when the drill bit 11 works, after finding the position needing to be repaired, the movable housing 4 is placed into the drill pipe 1 according to the position of the inserting hole 22, the connecting frame 41 compresses the annular spring 44 after receiving the pressure of the drill pipe 1, so that the roller 42 can be attached to the inner wall of the drill pipe 1, and the roller 42 is driven by the driving motor 43 to move downwards on the inner wall of the drill pipe 1 through the starting of the driving motor 43, and meanwhile, the conveying hose 64 is conveyed downwards;
after the lower surface of the pressing table 37 contacts with the upper surface of the pressing boss 32, and the value monitored by the distance sensor 38 is within a corresponding range, after the pressing table 37 continues to move downwards for a set distance under the rolling action of the roller 42, the pressing boss 32 can be pushed to move downwards in the fixed groove body 3, and the connecting spring 33 is compressed, so that the fixed pin 34 can move inwards under the acting force of the reset spring 35, and is away from the insertion connection with the locking groove 36 on the limit sleeve 2, and the fixation between the connecting pipeline 21 and the limit sleeve 2 is released;
meanwhile, after the distance measuring sensor 61 monitors the position of the inserting hole 22, the telescopic hydraulic cylinder 5 on the inner wall of the movable casing 4 pulls the pushing plate 51 to move downwards, the pushing groove 52 drives the connecting column on the movable sleeve 6 to move along the track of the pushing groove 52, so that the movable sleeve 6 can be pushed to move outwards, the movable sleeve 6 is inserted into the inserting hole 22, when the movable sleeve 6 cannot be inserted into the inserting hole 22, the rotary motor 45 is used for starting to drive the protective casing 46 to rotate, after the position of the movable sleeve 6 is finely adjusted, the movable sleeve 6 can be inserted into the inserting hole 22, the telescopic hose 63 is stretched, the roller 42 continues to rotate, the connecting pipeline 21 is driven to move downwards on the inner wall of the limiting sleeve 2, the roller 42 receives extrusion force after encountering the inner wall of the limiting sleeve 2, the connecting frame 41 is contracted inwards, and the roller 42 is convenient to be attached to the inner wall of the limiting sleeve 2;
after the plugging hole 22 on the connecting pipeline 21 corresponds to the leakage repairing hole 12 on the outer surface of the drill pipe 1, the distance change is monitored through the distance measuring sensor 61, the telescopic hydraulic cylinder 5 is controlled to continuously pull the pushing plate 51 downwards, the movable sleeve 6 is plugged into the leakage repairing hole 12, the connecting shaft 83 moves in the driving sleeve 84, the adjusting motor 8 is controlled to be started according to the pressure of liquid outside the drill pipe 1, the adjusting motor 8 drives the driving sleeve 84 to rotate, the driving sleeve 84 drives the connecting shaft 83 to rotate, the connecting shaft 83 drives the driving gear 81 in the limiting disc 7 to rotate, the driving gear 81 drives the driving ring 71 to rotate through the half-toothed ring 82, the driving ring 71 drives the deflection plate 72 to deflect, a through hole is opened in the central hole of the sealed limiting disc 7, the rotation of the deflection plate 72 drives the connecting elastic membrane 73 to be stretched, and the orifice of the elastic sleeve 62 is driven by stretching of the connecting elastic membrane 73;
the leak repairing agent in the conveying hose 64 enters the elastic sleeve 62 through the telescopic hose 63, is discharged through the pipe orifice of the elastic sleeve 62, and can increase the pressure of the flowing leak repairing agent due to the horn-shaped cross section of the elastic sleeve 62, so that the liquid outside the drill pipe 1 is prevented from flowing into the elastic sleeve 62, and the leak repairing agent can repair the position needing leak repairing.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. The utility model provides a petroleum drilling plugging device, includes drill pipe (1) and fixed mounting drill bit (11) in drill pipe (1) one end, its characterized in that: the drilling device further comprises a leakage repairing hole (12), a connecting device, a movable shell (4), a protective shell (46), a movable device and a conveying device, wherein the leakage repairing hole is formed in the outer surface of the drilling pipe (1);
the connecting device comprises a connecting pipeline (21) for connection, the connecting device is positioned in the drill pipe (1), and the connecting pipeline (21) performs sealing action on the leakage repairing hole (12);
the moving device comprises a roller (42) for moving, the moving device is positioned on the outer surface of the moving shell (4), and the rotating of the roller (42) drives the moving shell (4) to move on the inner wall of the drill pipe (1);
the conveying device is positioned on the lower surface of the movable housing (4) and conveys the leakage repairing agent for repairing leakage out of the drill pipe (1), the conveying device comprises a telescopic mechanism, a conveying mechanism and an adjusting mechanism, the telescopic mechanism comprises an adjusting pushing plate (51), the position of the conveying mechanism is adjusted by the movement of the pushing plate (51), the conveying mechanism comprises an elastic sleeve (62) for conveying the leakage repairing agent, the elastic sleeve (62) conveys the leakage repairing agent, the adjusting mechanism comprises a deflection plate (72) for adjusting, and the nozzle of the elastic sleeve (62) is adjusted by the movement of the deflection plate (72);
the inner bottom wall of the protective shell (46) is fixedly provided with a telescopic hydraulic cylinder (5), one end of the telescopic hydraulic cylinder (5) is fixedly arranged on the lower surface of the pushing plate (51), and the outer surface of the pushing plate (51) is provided with a pushing groove (52);
the conveying mechanism further comprises a movable sleeve (6) which is in sliding connection with the outer surface of the protective shell (46) and provided with a connecting column, the outer surface of the connecting column of the movable sleeve (6) is in sliding connection with the inner wall of the pushing groove (52), and a ranging sensor (61) is fixedly arranged on the outer surface of the movable sleeve (6);
the upper surface of the movable housing (4) is hinged with connecting frames (41) distributed in an annular array manner through pin shafts, the outer surface of each roller (42) is rotationally connected with one end of each connecting frame (41), a driving motor (43) for driving each roller (42) to rotate is fixedly arranged on the outer surface of each connecting frame (41), and an annular spring (44) is fixedly arranged on the outer surface of each connecting frame (41);
a rotating motor (45) is fixedly arranged on the inner wall of the movable housing (4), the lower surface of the movable housing (4) is rotationally connected with the upper surface of the protective housing (46) through a bearing, and one end of an output shaft of the rotating motor (45) is fixedly arranged on the upper surface of the protective housing (46);
the inner wall of the movable sleeve (6) is fixedly arranged at one end of the elastic sleeve (62), two telescopic hoses (63) are fixedly arranged opposite to the outer surfaces of the elastic sleeve (62), a conveying hose (64) is fixedly arranged on the outer surfaces of the telescopic hoses (63), and one end of the conveying hose (64) penetrates through and extends to the upper surface of the movable shell (4);
a limiting disc (7) with an arc-shaped groove is fixedly arranged on the inner wall of the movable sleeve (6), a driving ring (71) with an arc-shaped groove is rotatably connected to the inner wall of the limiting disc (7), the outer surfaces of the two sides of the deflection plate (72) are respectively connected with the limiting disc (7) and the inner wall of the arc-shaped groove of the driving ring (71) in a sliding connection mode through connecting rods, and an elastic connecting membrane (73) is fixedly arranged on the outer surface of the deflection plate (72);
the outer surface of the connecting elastic membrane (73) is fixedly arranged with one end of the elastic sleeve (62);
the inner wall of the protective shell (46) is fixedly provided with an adjusting motor (8) through a support, the inside of the limiting disc (7) is provided with a driving gear (81) through a bearing, the outer surface of the driving ring (71) is fixedly provided with a half-tooth ring (82), the outer surface of the driving gear (81) is meshed with the outer surface of the driving gear (81), the outer surface of the driving gear (81) is fixedly provided with a connecting shaft (83), one end of the connecting shaft (83) is in sliding sleeve connection with a driving sleeve (84), one end of the driving sleeve (84) is fixedly provided with the outer surface of the support through a bearing seat, and one end of an output shaft of the driving motor (43) drives the driving sleeve (84) to rotate through a bevel gear;
limiting sleeves (2) are fixedly arranged at two ends of the inner wall of the drill pipe (1), the outer surface of the connecting pipeline (21) is in sliding connection with the inner wall of the limiting sleeves (2), plug holes (22) are formed in two sides of the outer surface of the connecting pipeline (21), a tower-shaped spring (23) is fixedly arranged on the lower surface of the connecting pipeline (21), and one end of the tower-shaped spring (23) is fixedly arranged with the inner bottom wall of the limiting sleeves (2);
the inner wall of the connecting pipeline (21) is fixedly provided with a fixed groove body (3), the inner bottom wall of the fixed groove body (3) is fixedly provided with a limiting rod (31), the outer surface of the limiting rod (31) is fixedly connected with a pressing boss (32) in a sliding mode, the lower surface of the pressing boss (32) is fixedly provided with a connecting spring (33), one end of the connecting spring (33) is fixedly arranged with the inner wall of the fixed groove body (3), the inner wall of the fixed groove body (3) is fixedly connected with a fixing pin (34) with balls in a sliding mode, the outer surface of the balls of the fixing pin (34) is connected with the outer surface of the pressing boss (32) in a sliding mode, the outer surface of the fixing pin (34) is fixedly provided with a reset spring (35), one end of the reset spring (35) is fixedly arranged with the inner wall of the fixed groove body (3), locking grooves (36) distributed in an annular array mode are formed in the inner wall of the limiting sleeve (2), and one end of the fixing pin (34) penetrates through the outer surface of the connecting pipeline (21) and then is connected with the inner wall of the locking grooves (36) in a sliding mode.
The lower surface of the protective shell (46) is fixedly provided with a pressing table (37), and the inner wall of the pressing table (37) is fixedly provided with a distance sensor (38).
2. A plugging method based on the plugging device for petroleum drilling according to claim 1, comprising the following steps:
s1: when the drill bit (11) works, after finding the position needing to be repaired, the movable shell (4) is placed into the drill pipe (1) according to the position of the inserting hole (22), the connecting frame (41) compresses the annular spring (44) after receiving the pressure of the drill pipe (1), so that the roller (42) can be attached to the inner wall of the drill pipe (1), the roller (42) is driven by the driving motor (43) to move downwards on the inner wall of the drill pipe (1) through the starting of the driving motor (43), and meanwhile, the conveying hose (64) is conveyed downwards;
s2: after the lower surface of the pressing table (37) is contacted with the upper surface of the pressing boss (32), and the numerical value monitored by the distance sensor (38) is in a corresponding range, the pressing table (37) can push the pressing boss (32) to move downwards in the fixed groove body (3) after moving downwards by a set distance under the rolling action of the roller (42), so that the fixing pin (34) can move inwards under the acting force of the reset spring (35) and leave the insertion connection with the locking groove (36) on the limit sleeve (2), and the fixation between the connecting pipeline (21) and the limit sleeve (2) is released;
s3: meanwhile, after the distance measuring sensor (61) monitors the position of the inserting hole (22) at the same time, the telescopic hydraulic cylinder (5) on the inner wall of the movable casing (4) pulls the pushing plate (51) to move downwards, the pushing groove (52) drives the connecting column on the movable sleeve (6) to move along the track of the pushing groove (52), so that the movable sleeve (6) can be pushed to move outwards, the movable sleeve (6) is inserted into the inserting hole (22), when the movable sleeve (6) cannot be inserted into the inserting hole (22), the rotary motor (45) starts to drive the protective casing (46) to rotate, after the position of the movable sleeve (6) is finely adjusted, the movable sleeve (6) can be inserted into the inserting hole (22), the telescopic hose (63) is stretched, the roller (42) continues to rotate, the connecting pipeline (21) is driven to move downwards on the inner wall of the limit sleeve (2), the roller (42) is enabled to shrink inwards after the inner wall of the limit sleeve (2) is met, and the roller (42) is enabled to be convenient for the inner wall of the limit sleeve (2) to be attached to the limit;
s4: after the plugging hole (22) on the connecting pipeline (21) corresponds to the leak repairing hole (12) on the outer surface of the drill pipe (1), the distance sensor (61) is used for monitoring the change of the distance, the telescopic hydraulic cylinder (5) is controlled to continuously pull the pushing plate (51) downwards, the movable sleeve (6) is plugged into the leak repairing hole (12), the connecting shaft (83) moves in the driving sleeve (84), the adjusting motor (8) is controlled to be started according to the pressure of liquid outside the drill pipe (1), the adjusting motor (8) drives the driving sleeve (84) to rotate, the driving sleeve (84) drives the connecting shaft (83) to rotate, the connecting shaft (83) drives the driving gear (81) in the limiting plate (7) to rotate, the driving gear (81) drives the driving ring (71) to rotate through the semi-toothed ring (82), the driving ring (71) drives the deflection plate (72) to deflect through the arc-shaped groove, the central hole of the sealed limiting plate (7) is opened, the deflection plate (72) drives the connecting elastic membrane (73) to stretch, and the elastic membrane (73) is driven to stretch the elastic sleeve (62) to stretch;
s5: the leak repairing agent in the conveying hose (64) enters the elastic sleeve (62) through the telescopic hose (63), is discharged through the pipe orifice of the elastic sleeve (62) which is spread, and can increase the pressure of the leak repairing agent flowing out due to the fact that the cross section of the elastic sleeve (62) is in a horn shape, so that liquid outside the drill pipe (1) is prevented from flowing into the elastic sleeve (62), and the leak repairing agent can repair the position needing leak repairing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211655345.1A CN116122767B (en) | 2022-12-22 | 2022-12-22 | Petroleum drilling plugging device and plugging method |
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| CN202211655345.1A CN116122767B (en) | 2022-12-22 | 2022-12-22 | Petroleum drilling plugging device and plugging method |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3463252A (en) * | 1966-09-19 | 1969-08-26 | Smith International | Automatic driller |
| CN105649548A (en) * | 2015-12-28 | 2016-06-08 | 中国石油天然气股份有限公司 | Bypass nipple joint, downhole drilling tool, and seepage plugging method or jam releasing method of downhole drilling tool |
| CN107255022A (en) * | 2017-07-10 | 2017-10-17 | 南充西南石油大学设计研究院有限责任公司 | Binary channels hybrid nozzle, double layer continuous pipe plug leakage device and drilling leakage blockage technique |
| CN108930524A (en) * | 2017-05-25 | 2018-12-04 | 中国石油天然气股份有限公司 | Piston, stratum leak stoppage limb and stratum leak-stopping technique |
| CN209838368U (en) * | 2019-02-18 | 2019-12-24 | 宝鸡石油机械有限责任公司 | Closed type plugging agent feeding tool for oil field |
| CN209976511U (en) * | 2019-03-11 | 2020-01-21 | 盛杨 | Circulation plugging device while drilling |
| CN112127833A (en) * | 2020-11-16 | 2020-12-25 | 福州经济技术开发区康泰源科技有限公司 | Oil drilling plugging device |
| CN113374444A (en) * | 2021-06-02 | 2021-09-10 | 陈湘红 | Controllable expansion plugging agent pretreatment device for petroleum drilling |
| CN214464063U (en) * | 2021-03-31 | 2021-10-22 | 刘亚楠 | Pressure-bearing leakage stopping device for drilling fluid leakage stopping |
| CN113818800A (en) * | 2021-10-20 | 2021-12-21 | 中国地质大学（北京） | Emergency rescue drilling is along with boring water shutoff device |
| CN217206393U (en) * | 2022-04-26 | 2022-08-16 | 山东恒驰石油装备有限责任公司 | Special device for plugging double-channel double-plugging agent oil-water well |
| CN115354988A (en) * | 2022-10-21 | 2022-11-18 | 中石化西南石油工程有限公司 | Multi-time switch quick leaking stoppage valve |
-
2022
- 2022-12-22 CN CN202211655345.1A patent/CN116122767B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3463252A (en) * | 1966-09-19 | 1969-08-26 | Smith International | Automatic driller |
| CN105649548A (en) * | 2015-12-28 | 2016-06-08 | 中国石油天然气股份有限公司 | Bypass nipple joint, downhole drilling tool, and seepage plugging method or jam releasing method of downhole drilling tool |
| CN108930524A (en) * | 2017-05-25 | 2018-12-04 | 中国石油天然气股份有限公司 | Piston, stratum leak stoppage limb and stratum leak-stopping technique |
| CN107255022A (en) * | 2017-07-10 | 2017-10-17 | 南充西南石油大学设计研究院有限责任公司 | Binary channels hybrid nozzle, double layer continuous pipe plug leakage device and drilling leakage blockage technique |
| CN209838368U (en) * | 2019-02-18 | 2019-12-24 | 宝鸡石油机械有限责任公司 | Closed type plugging agent feeding tool for oil field |
| CN209976511U (en) * | 2019-03-11 | 2020-01-21 | 盛杨 | Circulation plugging device while drilling |
| CN112127833A (en) * | 2020-11-16 | 2020-12-25 | 福州经济技术开发区康泰源科技有限公司 | Oil drilling plugging device |
| CN214464063U (en) * | 2021-03-31 | 2021-10-22 | 刘亚楠 | Pressure-bearing leakage stopping device for drilling fluid leakage stopping |
| CN113374444A (en) * | 2021-06-02 | 2021-09-10 | 陈湘红 | Controllable expansion plugging agent pretreatment device for petroleum drilling |
| CN113818800A (en) * | 2021-10-20 | 2021-12-21 | 中国地质大学（北京） | Emergency rescue drilling is along with boring water shutoff device |
| CN217206393U (en) * | 2022-04-26 | 2022-08-16 | 山东恒驰石油装备有限责任公司 | Special device for plugging double-channel double-plugging agent oil-water well |
| CN115354988A (en) * | 2022-10-21 | 2022-11-18 | 中石化西南石油工程有限公司 | Multi-time switch quick leaking stoppage valve |
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