CN213684052U - Fishing tool for gas lift plunger of oil and gas well and gas lift plunger assembly of oil and gas well - Google Patents
Fishing tool for gas lift plunger of oil and gas well and gas lift plunger assembly of oil and gas well Download PDFInfo
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- CN213684052U CN213684052U CN202022649479.5U CN202022649479U CN213684052U CN 213684052 U CN213684052 U CN 213684052U CN 202022649479 U CN202022649479 U CN 202022649479U CN 213684052 U CN213684052 U CN 213684052U
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- plunger
- guide rail
- oil
- fishing tool
- gas well
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Abstract
The utility model relates to a gas well exploitation field, especially a fishing tool and oil gas well gas lift plunger subassembly of oil gas well gas lift plunger, wherein, fishing tool includes supporter and guide rail assembly, guide rail assembly radially sets up along the supporter, guide rail assembly goes up sliding fit has the bullet piece that is used for with plunger looks joint, guide rail assembly's one end is connected on the lateral wall of supporter, guide rail assembly's the other end is connected with the spacing subassembly that is used for restricting the bullet piece, the one end that the supporter was kept away from to the bullet piece can emerge spacing subassembly, be provided with the elastic component between bullet piece and the supporter, the elastic component can support the one end of pushing away the bullet piece and moving towards spacing subassembly. The utility model provides a fishing tool of oil gas well gas lift plunger at the during operation, links to each other fishing tool afterbody and appurtenance (like rope structure, perhaps rod structure) to rely on self gravity to transfer it to plunger department, and utilize bullet piece and plunger looks joint, later pack up appurtenance, can accomplish the plunger fishing operation.
Description
Technical Field
The utility model relates to a gas well exploitation field, especially a fishing tool and oil gas well gas lift plunger subassembly of oil gas well gas lift plunger.
Background
During the operation of the plunger, the plunger is generally lifted to a wellhead by the pressure in an oil and gas well, but in the actual operation process, because the clearance between the plunger and the local part of the pipe wall is too small, or a step end exists at the joint between the oil pipe and the oil pipe, the plunger is blocked at the position, and cannot be normally lifted to the wellhead.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the problem that the jam appears between plunger and the oil pipe at the plunger operation in-process to prior art exists, can not normally lift to the well head provides fishing tool and an oil gas well gas lift plunger subassembly of an oil gas well gas lift plunger, can salvage the plunger of jam.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides an oil gas well gas lift plunger's fishing tool, includes supporter and guide rail assembly, guide rail assembly follows the supporter radially sets up, sliding fit has the bullet piece that is used for with plunger looks joint on the guide rail assembly, guide rail assembly's one end connect in on the lateral wall of supporter, guide rail assembly's the other end is connected with the spacing subassembly that is used for restricting the bullet piece, the bullet piece is kept away from the one end of supporter can emerge spacing subassembly, the bullet piece with be provided with the elastic component between the supporter, the elastic component can support and push away the bullet piece orientation the one end of spacing subassembly removes.
The application a fishing tool of oil gas well gas lift plunger, at the during operation, link to each other fishing tool afterbody and appurtenance (like rope structure, perhaps rod structure) to rely on self gravity to transfer it to plunger department, and utilize bullet piece and plunger looks joint, later pack up appurtenance, can accomplish the plunger fishing operation.
Preferably, the number of the elastic blocks is at least two, wherein the at least two elastic blocks are positioned on two opposite sides of the support body, and the clamping is firmer.
Preferably, the guide rail assembly includes a first guide rail portion and a second guide rail portion having a space therebetween for the elastic block to slide.
Preferably, the limiting assembly comprises a first limiting structure and a second limiting structure, the first limiting structure is connected with the first guide rail, the second limiting structure is connected with the second guide rail, the first limiting structure is in limiting fit with one end of the elastic block, and the second limiting structure is in limiting fit with the other end of the elastic block.
Preferably, one end of the support body is connected with a guide head, and the second limiting structure and the second guide rail part are connected with the guide head.
Preferably, one end of the support body, which is far away from the guide head, is connected with a body, and the first limiting structure and the first guide rail part are connected with the body.
Preferably, the guide head, the second limiting structure and the second guide rail part are integrally formed structural members;
and/or the presence of a gas in the gas,
the first limiting structure, the first guide rail part and the body are integrally formed structural parts.
Preferably, the support body is detachably connected with the guide head;
and/or the presence of a gas in the gas,
the support body is detachably connected with the body.
Preferably, one end of the body, which is far away from the supporting body, is detachably connected with a hanging ring.
The application also discloses oil gas well gas lift plunger subassembly, include the plunger and like this application oil gas well gas lift plunger's fishing tool, the plunger is close to be provided with the draw-in groove on the tip inner wall of direction head, the draw-in groove with the cooperation of elastic component joint, the plunger is close to the tip of draw-in groove still is provided with the chamfer face, the chamfer face is used for the extrusion the bullet piece orientation supporter one side is removed.
When the oil-gas well gas lift plunger assembly works, a fishing head structure matched with the fishing tool of the embodiment is arranged at the end part of the plunger in advance and moves in a shaft along with the plunger; the lifting ring is used as a connecting structure of the fishing tool, can be directly connected with a steel wire and is used for lowering and lifting the fishing tool; the body is used as a main gravity source of the fishing tool and can be processed to different lengths according to requirements, so that the fishing tool is ensured to be smoothly and rapidly put down in place; the supporter, bullet piece and elastic component are as main salvage functional element, accomplish the salvage work of plunger in coordination, fishing tool transfers the in-process, the bullet piece is strutted to extreme position (bullet piece and spacing subassembly looks butt) by the elastic component, the guide rail set spare is emerged to bullet piece partly, fishing tool transfers when target in place and fishing head structure contact, the bullet piece extrudees with the chamfer face mutually, the bullet piece is all impressed in the guide rail set spare, after the corresponding position of draw-in groove is arrived behind the step that the bullet piece passes through fishing head structure, the bullet piece struts under the effect of elastic component once more, the draw-in groove is gone into, later promote fishing tool, accomplish the salvage operation.
After the fishing operation is accomplished, the draw-in groove bottom is provided with the through-hole, and the through-hole link up the plunger lateral wall, and operating personnel can support from the plunger outside and push away the elastic component for the elastic component is thrown off with the draw-in groove, in order to accomplish plunger and this embodiment the fishing tool's of oil gas well gas lift plunger separation.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the application a fishing tool of oil gas well gas lift plunger, at the during operation, link to each other fishing tool afterbody and appurtenance (like rope structure, perhaps rod structure) to rely on self gravity to transfer it to plunger department, and utilize bullet piece and plunger looks joint, later pack up appurtenance, can accomplish the plunger fishing operation.
2. The application a fishing tool of oil gas well gas lift plunger, at the during operation, link to each other fishing tool afterbody and appurtenance (like rope structure, perhaps rod structure) to rely on self gravity to transfer it to plunger department, and utilize bullet piece and plunger looks joint, later pack up appurtenance, can accomplish the plunger fishing operation.
Drawings
Figure 1 is the structural cross-section schematic diagram of fishing tool of oil gas well gas lift plunger of the utility model.
Fig. 2 is a schematic structural section of the bullet block of the present invention.
Fig. 3 is a schematic structural cross-sectional view of the end of the plunger according to the present invention.
Icon: 1-a hoisting ring; 2-body; 3-a support; 4-a bullet block; 5-an elastic member; 6-stop screw; 7-a guide head; 8-a plunger; 9-a guide rail assembly; 10-a spacing assembly; 11-a first guide rail portion; 12-a second guide rail portion; 13-a first limit structure; 14-a second limit structure; 15-a first notch; 16-notch two; 17-gap one; 18-a transition; 19-a card slot; 20-chamfering; 21-through hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example 1
As shown in fig. 1-3, the oil and gas well gas lift plunger assembly described in this embodiment, includes the fishing tool of plunger 8 and oil and gas well gas lift plunger, wherein, fishing tool includes supporter 3 and guide rail assembly 9, guide rail assembly 9 is followed supporter 3 radially sets up, sliding fit has the bullet piece 4 that is used for with plunger 8 looks joint on the guide rail assembly 9, the one end of guide rail assembly 9 connect in on the lateral wall of supporter 3, the other end of guide rail assembly 9 is connected with the spacing subassembly 10 that is used for restricting bullet piece 4, bullet piece 4 is kept away from the one end of supporter 3 can emerge spacing subassembly 10, bullet piece 4 with be provided with elastic component 5 between the supporter 3, elastic component 5 can support and push bullet piece 4 towards the one end of spacing subassembly 10 removes.
Specifically, the elastic member 5 is a spring, a first placing groove adapted to the spring is formed in the side wall of the supporting body 3, a second placing groove adapted to the spring is formed in the side wall, close to the supporting body 3, of the elastic block 4, and the first placing groove and the second placing groove are correspondingly arranged to position the spring.
The elastic blocks 4 are at least two, wherein the elastic blocks 4 are positioned on two opposite sides of the support body 3, and the clamping is firmer.
The guide rail assembly 9 includes a first guide rail part 11 and a second guide rail part 12, and a space for the elastic block 4 to slide is provided between the first guide rail part 11 and the second guide rail part 12.
The limiting assembly 10 comprises a first limiting structure 13 and a second limiting structure 14, the first limiting structure 13 is connected with the first guide rail part 11, the second limiting structure 14 is connected with the second guide rail part 12, the first limiting structure 13 is in limiting fit with one end of the elastic block 4, and the second limiting structure 14 is in limiting fit with the other end of the elastic block 4.
The first limiting structure 13 and the second limiting structure 14 jointly limit the movement of the elastic block 4 towards a direction away from the supporting body 3.
The first limiting structure 13 and the first guide rail part 11 form an L-shaped structure; the second limiting structure 14 and the second guide rail part 12 form an L-shaped structure.
One end of the elastic block 4 is provided with a first notch 15, the other end of the elastic block is provided with a second notch 16, a clamping part (17) is arranged between the first notch 15 and the second notch 16, the top end of the clamping part (17) emits a limiting component 10, and a transition part 18 which is an inclined plane is arranged between the clamping part (17) and the second notch 16
One end of the supporting body 3 is connected with a guiding head 7, and the second limiting structure 14 and the second guiding rail part 12 are both connected with the guiding head 7.
One end of the support body 3, which is far away from the guide head 7, is connected with the body 2, and the first limiting structure 13 and the first guide rail part 11 are both connected with the body 2.
The guide head 7, the second limiting structure 14 and the second guide rail part 12 are integrally formed structural members; and/or the first limiting structure 13, the first guide rail part 11 and the body 2 are integrally formed structural members.
The support body 3 is detachably connected with the guide head 7, specifically, the guide head 7 is in threaded connection with the support body 3, and the guide head 7 is further provided with a stop screw 6 for locking the support body 3; and/or the support body 3 is detachably connected with the body 2.
One end of the body 2, which is far away from the supporting body 3, is detachably connected with a hanging ring 1.
The plunger 8 is close to be provided with draw-in groove 19 on the tip inner wall of direction head 7, draw-in groove 19 with the cooperation of elastic component 5 joint, the plunger 8 is close to the tip of draw-in groove 19 still is provided with chamfer face 20, chamfer face 20 is used for the extrusion bullet piece 4 orientation 3 one side of supporter removes.
Specifically, this embodiment discloses a salvage head structure of oil gas well gas lift plunger and fishing tool thereof for the plunger can not depend on the pressure in the well to lift under the condition of well head, salvage the plunger manually.
During operation, a fishing head structure matched with the fishing tool of the embodiment is arranged at the end part of the plunger in advance and moves in a shaft along with the plunger; the lifting ring 1 is used as a connecting structure of a fishing tool, can be directly connected with a steel wire and is used for lowering and lifting the fishing tool; the body 2 is used as a main gravity source of the fishing tool and can be processed to different lengths according to requirements, so that the fishing tool is ensured to be smoothly and rapidly put down in place; supporter 3, bullet piece 4 and elastic component 5 are as main salvage functional element, accomplish plunger 8's salvage work in coordination, fishing tool transfers the in-process, bullet piece 4 is propped open to extreme position bullet piece 4 and spacing subassembly 10 looks butt by elastic component 5, 4 some play guide rail set 9 of bullet piece, fishing tool transfers when target in place and salvage head structure contact, bullet piece 4 extrudees with chamfer face 20 mutually, bullet piece 4 is all impressed in guide rail set 9, after bullet piece 4 reaches the corresponding position of draw-in groove 19 behind the step of salvage head structure, bullet piece 4 struts again under elastic component 5's effect, the card is gone into in the draw-in groove 19, later promote fishing tool, accomplish salvage operation.
After the fishing operation is accomplished, draw-in groove 19 bottom is provided with through-hole 21, and through-hole 21 link up 8 lateral walls of plunger, and operating personnel can support from the 8 outsides of plunger and push away elastic component 5 for elastic component 5 is thrown off with draw-in groove 19, in order to accomplish plunger 8 and this embodiment the fishing tool's of oil gas well gas lift plunger separation.
In the process, the front end of the guide head 7 is processed into a circular arc structure and a conical surface structure, so that a good guide effect can be achieved in the lowering process.
The beneficial effects of this embodiment: the application a fishing tool of oil gas well gas lift plunger, at the during operation, link to each other fishing tool afterbody and appurtenance, appurtenance is like rope structure or rod structure to rely on self gravity to transfer it to 8 departments of plunger, and utilize bullet piece 4 and 8 looks joints of plunger, later pack up appurtenance, can accomplish the plunger fishing operation.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A fishing tool for a gas lift plunger of an oil and gas well is characterized by comprising a supporting body (3) and a guide rail component (9), the guide rail component (9) is arranged along the radial direction of the support body (3), an elastic block (4) which is clamped with the plunger (8) is matched on the guide rail component (9) in a sliding way, one end of the guide rail component (9) is connected to the side wall of the supporting body (3), the other end of the guide rail component (9) is connected with a limiting component (10) used for limiting the elastic block (4), one end of the elastic block (4) far away from the support body (3) can protrude out of the limiting component (10), an elastic piece (5) is arranged between the elastic block (4) and the supporting body (3), the elastic piece (5) can push the elastic block (4) to move towards one end of the limiting component (10).
2. An oil and gas well gas lift plunger fishing tool as claimed in claim 1, wherein the number of the spring blocks (4) is at least two, wherein at least two spring blocks (4) are located on opposite sides of the support body (3).
3. An oil and gas well gas lift plunger fishing tool as claimed in claim 2, wherein the rail assembly (9) comprises a first rail part (11) and a second rail part (12), the first rail part (11) and the second rail part (12) having a space therebetween for the sliding of the block (4).
4. An oil and gas well gas lift plunger fishing tool as claimed in claim 3, wherein the limiting assembly (10) comprises a first limiting structure (13) and a second limiting structure (14), the first limiting structure (13) is connected with the first guide rail part (11), the second limiting structure (14) is connected with the second guide rail part (12), the first limiting structure (13) is in limiting fit with one end of the spring block (4), and the second limiting structure (14) is in limiting fit with the other end of the spring block (4).
5. An oil and gas well gas lift plunger fishing tool as claimed in claim 4, characterized in that one end of the support body (3) is connected with a guiding head (7), and the second limiting structure (14) and the second guiding rail part (12) are both connected with the guiding head (7).
6. An oil and gas well gas lift plunger fishing tool as claimed in claim 5, wherein the end of the support body (3) away from the guide head (7) is connected with a body (2), and the first limiting structure (13) and the first guide rail part (11) are both connected with the body (2).
7. An oil and gas well gas lift plunger fishing tool as claimed in claim 6, wherein the guide head (7), the second limiting structure (14) and the second guide rail portion (12) are an integrally formed structural member;
and/or the presence of a gas in the gas,
the first limiting structure (13), the first guide rail part (11) and the body (2) are integrally formed structural parts.
8. An oil and gas well gas lift plunger fishing tool as claimed in claim 6, wherein the support body (3) is removably connected to the guide head (7);
and/or the presence of a gas in the gas,
the support body (3) is detachably connected with the body (2).
9. An oil and gas well gas lift plunger fishing tool as claimed in claim 8, wherein the body (2) is detachably connected with a lifting ring (1) at the end away from the support body (3).
10. An oil and gas well gas lift plunger subassembly, characterized in that, includes plunger (8) and the fishing tool of oil and gas well gas lift plunger of any one of claims 5-9, plunger (8) are close to be provided with draw-in groove (19) on the tip inner wall of direction head (7), draw-in groove (19) with elastic component (5) joint cooperation, plunger (8) are close to the tip of draw-in groove (19) still is provided with chamfer face (20), chamfer face (20) are used for the extrusion bullet piece (4) orientation supporter (3) one side removal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022649479.5U CN213684052U (en) | 2020-11-16 | 2020-11-16 | Fishing tool for gas lift plunger of oil and gas well and gas lift plunger assembly of oil and gas well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022649479.5U CN213684052U (en) | 2020-11-16 | 2020-11-16 | Fishing tool for gas lift plunger of oil and gas well and gas lift plunger assembly of oil and gas well |
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| Publication Number | Publication Date |
|---|---|
| CN213684052U true CN213684052U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022649479.5U Active CN213684052U (en) | 2020-11-16 | 2020-11-16 | Fishing tool for gas lift plunger of oil and gas well and gas lift plunger assembly of oil and gas well |
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| CN (1) | CN213684052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991695A (en) * | 2022-06-21 | 2022-09-02 | 中煤科工集团重庆研究院有限公司 | Self-locking drill rod fishing tool |
-
2020
- 2020-11-16 CN CN202022649479.5U patent/CN213684052U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114991695A (en) * | 2022-06-21 | 2022-09-02 | 中煤科工集团重庆研究院有限公司 | Self-locking drill rod fishing tool |
| CN114991695B (en) * | 2022-06-21 | 2023-11-03 | 中煤科工集团重庆研究院有限公司 | Self-locking type drill rod fishing tool |
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