CN210289686U

CN210289686U - Water injection well is fishing device in pit

Info

Publication number: CN210289686U
Application number: CN201921122986.4U
Authority: CN
Inventors: 范鑫; 吴占关; 石震亮; 尚志峰; 朱涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-04-10
Anticipated expiration: 2029-07-17

Abstract

The utility model relates to a water injection well is fishing device in pit, including last cylinder body, lower cylinder body and oil pump, it is provided with down the cylinder body to go up the cylinder body lower extreme, go up cylinder body top both ends and all install the oil pump through the mount pad, it is fixed with the mounting panel with lower cylinder body junction inboard through the mounting screw to go up the cylinder body, the hydro-cylinder is installed through the bolt at mounting panel top both ends, the output of hydro-cylinder is connected with the pressure head, it is provided with the preformed groove to go up between cylinder body and the lower cylinder body, the mounting panel lower extreme has the otter board through the mounting screw, the protection casing is installed through the bolt in the otter board bottom, driving motor is. The utility model discloses can conveniently paste tight wall of a well, fixed effectual, can conveniently utilize metal debris such as magnetic force absorption steel wire, can also conveniently carry out the drainage, be fit for being extensively promoted and used.

Description

Water injection well is fishing device in pit

Technical Field

The utility model relates to a technical field, concretely relates to water injection well is fishing device in pit.

Background

In the oil field development process, water is injected into an oil reservoir through a special water injection well, the pressure of the oil reservoir can be kept or recovered, the oil reservoir has strong driving force, the exploitation speed and the recovery ratio of the oil reservoir are improved, in order to salvage metal fine objects such as underground steel wires, the fishing device is very necessary, the fishing device in the past cannot be conveniently attached to a well wall, the fixing effect of the fishing device and the ground is poor, the magnetic force cannot be conveniently utilized to adsorb metal sundries such as the steel wires, drainage cannot be conveniently carried out, and therefore the underground fishing device for the water injection well is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an at least defect among the prior art is overcome to main aim at, a water injection well fishing device in pit is provided, through setting up fixed pin and connecting rod, it is convenient to fix this fishing device, it is more firm, through setting up oil pump and pressure head, conveniently utilize the pressure head to paste the tight wall of a well, thereby prevent to skid, through setting up the magnet piece, utilize the magnet piece, when metal debris such as steel wire are close the otter board, utilize magnetic force to adsorb metal debris such as steel wire in the otter board bottom, through setting up overflow hole and check valve, conveniently carry out the drainage, can effectively solve the problem in the technical background.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

according to one aspect of the utility model, the underground fishing device for the water injection well comprises an upper cylinder body, a lower cylinder body and an oil pump, wherein the lower end of the upper cylinder body is provided with the lower cylinder body, the oil pump is arranged at both ends of the top end of the upper cylinder body through a mounting seat, a mounting plate is fixedly arranged at the inner side of the joint of the upper cylinder body and the lower cylinder body through screws, oil cylinders are arranged at both ends of the top of the mounting plate through bolts, the output ends of the oil cylinders are connected with a pressure head, a reserved groove is arranged between the upper cylinder body and the lower cylinder body, a mesh plate is arranged at the lower end of the mounting plate through screws, a protective cover is arranged at the bottom of the mesh plate through bolts, a driving motor is arranged at the top in the protective cover through the mounting frame, the output shaft of the driving motor is a rotating rod, the bottom end of the, go up cylinder body top both sides and all install the connecting rod through the preformed groove, the inboard welding of cylinder body bottom has the safety cover down, the check valve is installed through the screw in the bottom in the safety cover.

Further, pressure head one end is located between the reservation groove, the pressure head tip is provided with the impressed watermark, the quantity of impressed watermark specifically sets up to the multiunit.

Further, the fixed pin is installed through the through-hole in the oil pump outside, connecting rod one end top is run through and is provided with the screw hole, the connecting rod other end is provided with the pinhole that corresponds with the fixed pin.

Furthermore, overflow holes are formed in two sides of the top end in the lower cylinder body, the shell of the lower cylinder body is hollow, a liquid inlet at the top end of the check valve is connected with the shell through a pipeline, and a liquid outlet at the bottom end of the check valve is connected with the bottom end of the lower cylinder body through a pipeline.

Further, the output end of the oil pump is connected with the liquid inlet port of the oil cylinder through a liquid conveying pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through setting up fixed pin and connecting rod, utilize the pinhole cooperation of fixed pin and connecting rod one end, it is convenient fixed with connecting rod and last cylinder connection, recycle outside self-tapping screw and pass the screw hole, conveniently fix the connecting rod subaerial to the convenience is fixed this fishing device, and is more firm.

2. Through setting up oil pump and pressure head, the personnel open the oil pump, and the during operation is convenient to push fluid to the hydro-cylinder via the transfer line in to conveniently utilize hydraulic pressure to push away the pressure head, thereby conveniently utilize the pressure head to paste the tight wall of a well, thereby prevent to skid, utilize the impressed watermark of pressure head tip, the convenient further frictional force that promotes.

3. Through setting up the magnet piece, utilize the magnet piece, when metal debris such as steel wire were close the otter board, utilize magnetic force to adsorb metal debris such as steel wire in the otter board bottom.

4. Through setting up overflow hole and check valve, utilize the overflow hole, get into the overflow hole when the liquid level in the cylinder body is higher than the overflow hole down, again in the casing of cylinder body down, cylinder body bottom under the last via the check valve discharge to conveniently drain.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is the utility model relates to a water injection well is fishing device's overall structure schematic diagram in pit.

Fig. 2 is the utility model discloses a water injection well fishing device's in pit check valve schematic diagram.

Fig. 3 is a schematic view of a connecting rod and a fixing pin of the downhole fishing device for a water injection well of the present invention.

In the figure: 1. an upper cylinder body; 2. a lower cylinder body; 3. mounting a plate; 4. an oil cylinder; 5. a pressure head; 6. embossing; 7. a transfusion tube; 8. an oil pump; 9. a magnet block; 10. a screen plate; 11. a protective cover; 12. a drive motor; 13. an overflow aperture; 14. a rotating rod; 15. a fixed hook; 16. a protective cover; 17. a one-way valve; 18. a tip; 19. a connecting rod; 20. a threaded hole; 21. and fixing the pin.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in figures 1-3, a water injection well underground fishing device comprises an upper cylinder body 1, a lower cylinder body 2 and an oil pump 8, wherein the lower end of the upper cylinder body 1 is provided with the lower cylinder body 2, the two ends of the top end of the upper cylinder body 1 are respectively provided with the oil pump 8 through a mounting seat, the inner side of the joint of the upper cylinder body 1 and the lower cylinder body 2 is fixedly provided with a mounting plate 3 through screws, the two ends of the top of the mounting plate 3 are provided with oil cylinders 4 through bolts, the output end of the oil cylinders 4 is connected with a pressure head 5, a reserved groove is arranged between the upper cylinder body 1 and the lower cylinder body 2, the lower end of the mounting plate 3 is provided with a screen plate 10 through screws, the bottom of the screen plate 10 is provided with a protective cover 11 through bolts, the inner top of the protective cover 11 is provided with a driving motor 12 through a, the peripheral welding of bull stick 14 has fixed hook 15, install magnet piece 9 through the bolt between mounting panel 3 and the otter board 10, go up 1 top both sides of cylinder body and all install connecting rod 19 through the preformed groove, the inboard welding in 2 bottoms of lower cylinder body has safety cover 16, the bottom has check valve 17 through the screw installation in the safety cover 16.

Wherein, 5 one end of pressure head is located between the reservation groove, 5 tip of pressure head is provided with impressed watermark 6, the quantity of impressed watermark 6 specifically sets up to the multiunit.

In this embodiment as shown in fig. 1, utilize the pressure head 5 to paste the wall of a well to prevent skidding, utilize the impressed watermark of pressure head 5 tip, convenient further promotion frictional force.

Wherein, fixed pin 21 is installed through the through-hole in the oil pump 8 outside, 19 one end top of connecting rod is run through and is provided with screw hole 20, the connecting rod 19 other end is provided with the pinhole that corresponds with fixed pin 21.

In this embodiment, as shown in fig. 1 and 3, the connecting rod 19 and the upper cylinder 1 are conveniently connected and fixed by using the pin hole matching of the fixing pin 21 and one end of the connecting rod 19, and the connecting rod 19 is conveniently fixed on the ground by using an external tapping screw to pass through the threaded hole 20, so that the fishing device is conveniently fixed and more stable.

Wherein, the top both sides are provided with overflow hole 13 in the lower cylinder body 2, the casing of cylinder body 2 sets up to cavity down, the liquid inlet in 17 tops of check valve passes through the pipe connection casing, the liquid outlet in 17 bottoms of check valve passes through the outside of 2 bottoms of cylinder body under the pipe connection.

In this embodiment, as shown in fig. 1 and 2, the overflow hole 13 is utilized to enter the overflow hole 13 when the liquid level in the lower cylinder 2 is higher than the overflow hole 13, and then the liquid enters the housing of the lower cylinder 2 and finally is discharged out of the bottom of the lower cylinder 2 through the one-way valve 17, so that the water is conveniently discharged.

Wherein, the output end of the oil pump 8 is connected with the liquid inlet port of the oil cylinder 4 through a liquid conveying pipe 7.

In this embodiment, as shown in fig. 1, a person opens the oil pump 8, and the oil is conveniently pushed into the oil cylinder 4 through the infusion tube 7 during operation, so that the pressure head 5 is conveniently pushed by using hydraulic pressure, and the pressure head 5 is conveniently attached to a well wall.

It should be noted that the utility model relates to a water injection well fishing device in pit, during operation, personnel drop upper cylinder body 1 and lower cylinder body 2 into the water injection well, utilize the pinhole cooperation of fixed pin 21 and one end of connecting rod 19, conveniently connect connecting rod 19 and upper cylinder body 1 fixedly, reuse outside self-tapping screw to pass screw hole 20, conveniently fix connecting rod 19 on the ground, thereby conveniently fix this fishing device, it is more stable, personnel open oil pump 8, during operation conveniently push fluid into oil cylinder 4 via transfer line 7, thereby conveniently utilize hydraulic pressure force to promote pressure head 5, thereby conveniently utilize pressure head 5 to paste the wall of a well tightly, thereby prevent skidding, utilize the impressed watermark of pressure head 5 tip, conveniently further promote frictional force, personnel open driving motor 12, during operation output shaft conveniently drives bull stick 14 and rotate, thereby drive bull stick 14 peripheral fixed hook 15 and rotate, thereby conveniently salvage debris such as the steel wire of water injection well bottom, recycle magnet piece 9, when metal debris such as steel wire is close otter board 10, utilize magnetic force to adsorb metal debris such as steel wire in otter board 10 bottoms, utilize overflow hole 13, get into overflow hole 13 when the liquid level in the cylinder body 2 is higher than overflow hole 13 now, again in the casing of cylinder body 2, cylinder body 2 bottom under via check valve 17 discharge at last, thereby conveniently carry out the drainage.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a water injection well fishing device in pit, includes cylinder body (1), lower cylinder body (2) and oil pump (8), its characterized in that: the lower end of the upper cylinder body (1) is provided with a lower cylinder body (2), both ends of the top end of the upper cylinder body (1) are provided with oil pumps (8) through mounting seats, the inner side of the joint of the upper cylinder body (1) and the lower cylinder body (2) is fixed with a mounting plate (3) through mounting screws, both ends of the top of the mounting plate (3) are provided with oil cylinders (4) through bolts, the output end of each oil cylinder (4) is connected with a pressure head (5), a reserved groove is arranged between the upper cylinder body (1) and the lower cylinder body (2), the lower end of the mounting plate (3) is provided with a mesh plate (10) through screws, the bottom of the mesh plate (10) is provided with a protective cover (11) through bolts, the top of the protective cover (11) is provided with a driving motor (12) through a mounting frame, the output shaft of the driving motor (12), the utility model discloses a cylinder body, including runner bar (14), mounting panel (3) and otter board (10), the peripheral welding of bull stick (14) has fixed hook (15), install magnet piece (9) through the bolt between mounting panel (3) and otter board (10), go up cylinder body (1) top both sides and all install connecting rod (19) through the preformed groove, the inboard welding in cylinder body (2) bottom has safety cover (16) down, there is check valve (17) bottom in safety cover (16) through the screw mounting.

2. The water injection well downhole fishing device of claim 1, wherein: pressure head (5) one end is located between the reservation groove, pressure head (5) tip is provided with impressed watermark (6), the quantity of impressed watermark (6) specifically sets up to the multiunit.

3. The water injection well downhole fishing device of claim 1, wherein: fixed pin (21) are installed through the through-hole in the oil pump (8) outside, connecting rod (19) one end top is run through and is provided with screw hole (20), the connecting rod (19) other end is provided with the pinhole that corresponds with fixed pin (21).

4. The water injection well downhole fishing device of claim 1, wherein: the top both sides are provided with overflow hole (13) in lower cylinder body (2), the casing of cylinder body (2) sets up to cavity down, check valve (17) top inlet passes through the pipe connection casing, check valve (17) bottom liquid outlet passes through cylinder body (2) bottom outside under the pipe connection.

5. The water injection well downhole fishing device of claim 1, wherein: the output end of the oil pump (8) is connected with the liquid inlet port of the oil cylinder (4) through a liquid conveying pipe (7).