CN221299119U - Oil well steel wire junk fishing tool - Google Patents
Oil well steel wire junk fishing tool Download PDFInfo
- Publication number
- CN221299119U CN221299119U CN202322991939.6U CN202322991939U CN221299119U CN 221299119 U CN221299119 U CN 221299119U CN 202322991939 U CN202322991939 U CN 202322991939U CN 221299119 U CN221299119 U CN 221299119U
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- China
- Prior art keywords
- hook
- fishing
- upper joint
- steel wire
- oil well
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 55
- 239000010959 steel Substances 0.000 title claims abstract description 55
- 239000003129 oil well Substances 0.000 title claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 238000004804 winding Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Abstract
The utility model discloses an oil well steel wire junk fishing tool, which comprises an upper joint and at least one fishing hook connected with the upper joint, wherein the upper joint is provided with a plurality of fishing hooks; the salvaging hook is connected with the upper joint through the fixed joint, and an anti-jamming cap is arranged between the fixed joint and the upper joint; the anti-seize pressing cap is configured into a structure that at least part of the cross section size is larger than that of the upper joint, and the anti-seize pressing cap can press steel wire junk in the oil well casing; the periphery of the salvaging hook is provided with a plurality of hook parts in a dislocation way, and the steel wire falling objects are hooked through the hook parts. The fishing tool solves the problem that the steel wire falling object fishing tool is blocked with the steel wire stroke in the oil well casing in the processes of falling and lifting through the anti-blocking pressure cap, not only can ensure that the tool can be smoothly inserted into a steel wire cluster in the fishing operation process, but also can ensure the safety and reliability of the tool, so that the tool pipe string cannot be blocked by winding of underground steel wire falling objects.
Description
Technical Field
The utility model relates to the technical field of well workover operation, in particular to a steel wire junk fishing tool for an oil well.
Background
With the acceleration of development speed of oil fields, the situation of oil-water wells is more and more complex, such as well shaft scaling, casing corrosion perforation, underground junk and the like, and various disadvantages are brought to underground operation. The rope falling object has the characteristics of slender and soft structure, easy slipping and easy shrinkage deformation, so the rope falling object is not easy to drag in the fishing process. When the steel wire junk in the oil well casing is clustered, the junk cannot be hooked by using a movable outer hook type fishing tool. Because the movable hook is retracted into the hook body when the outer hook in the prior art is blocked, the hook body cannot be inserted into the steel wire falling object. When the pipe column is lifted, the movable hook can not be opened to hang the steel wire falling object.
In the prior art, when the broken steel wire appears in the testing process, and the broken steel wire is led to carry the instrument and falls into the pit, the broken steel wire can appear distortion and spiral coiling in the condition of pit shaft inner wall, and when salvaging this kind of problem well, the difficult fracture steel wire of snatching of the back of going into of salvaging spear can appear in old-fashioned salvaging spear, the condition that needs repeated many times salvaging operation, and this problem leads to salvaging operation not only to prolonged the salvaging engineering time, has also reduced the salvaging success rate simultaneously. If the components are damaged in the field salvage process, because the problems that the movable components or part of the components cannot be replaced in time exist, the salvage operation needs to be suspended and the tool maintenance needs to be carried out, the salvage operation time is prolonged, and the working efficiency is lower.
Accordingly, based on the above technical problems, a person skilled in the art is highly required to develop an oil well wire junk fishing tool.
Disclosure of utility model
The utility model aims to provide an oil well steel wire junk fishing tool which solves the problem of fishing steel wire junk in a sleeve and achieves safe and efficient operation of test work in the production process of an oil-water well.
In order to achieve the above object, the present utility model provides the following technical solutions:
The utility model relates to an oil well steel wire junk fishing tool, which comprises:
An upper joint; and
At least one salvage hook connected with the upper joint;
The salvaging hook is connected with the upper joint through a fixed joint, and an anti-jamming cap is arranged between the fixed joint and the upper joint;
The anti-seize pressing cap is configured into a structure with at least part of the cross section dimension larger than that of the upper joint, and the anti-seize pressing cap can press steel wire junk in the oil well casing;
The outer periphery of the salvaging hook is provided with a plurality of hook parts in a dislocation way, and the steel wire falling objects are hooked through the hook parts.
Further, the upper joint is configured into a cylindrical structure, and one end of the upper joint matched with the fixed joint is provided with a threaded hole;
and one end of the fixed joint and the upper joint are in threaded connection with the threaded hole.
Further, the anti-jamming cap is configured into a frustum structure with the cross section size gradually increasing from one end close to the upper joint to one end far away from the upper joint;
The anti-jamming cap center is provided with a through hole for penetrating through one end of the fixed joint, a ring table is arranged at the joint of the fixed joint and the anti-jamming cap, and when the fixed joint is connected with the upper joint, the ring table is abutted against the anti-jamming cap.
Further, one end of the fixed joint, which is far away from the anti-jamming cap, is a connecting end connected with the salvaging hook, and the salvaging hook is in threaded connection with the connecting end.
Further, when the plurality of salvage hooks are provided, adjacent salvage hooks are in threaded connection.
Further, a guide shoe is arranged at the end part of the fishing hook positioned at the forefront end;
The guide shoe is configured into a conical structure with the cross section gradually reduced in size from the end close to the fishing hook to the end far away from the fishing hook, and the end part of the guide shoe is an arc head.
Further, one end of the hook part is fixedly connected with the rod part of the salvaging hook, and the other end of the hook part extends obliquely towards one end of the upper joint.
In the technical scheme, the oil well steel wire junk fishing tool provided by the utility model has the following beneficial effects:
The fishing tool solves the problem that the steel wire falling object fishing tool is blocked with the steel wire stroke in the oil well casing in the processes of falling and lifting through the anti-blocking pressure cap, not only can ensure that the tool can be smoothly inserted into a steel wire cluster in the fishing operation process, but also can ensure the safety and reliability of the tool, so that the tool pipe string cannot be blocked by winding of underground steel wire falling objects.
The fishing tool provided by the utility model is combined in a threaded connection mode, the anti-seizing cap with proper size can be replaced according to the inner diameters of different oil well casings, the anti-seizing cap is matched with the casing in size, steel wire falling objects on the well wall can be pressed into a bulk shape, the construction cost is reduced, and the construction efficiency is improved.
The fishing hook of the main body part of the fishing tool has no movable parts, and a plurality of fishing hooks can be used in series according to the length of the steel wire in the sleeve, so that the whole length of the fishing tool is increased, the safety in the construction process is ensured, the requirements of different underground complex conditions can be met, the safety is high, and the popularization is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of a steel wire junk fishing tool for an oil well according to an embodiment of the present utility model;
Fig. 2 is a cross-sectional view of an oil well steel wire junk fishing tool provided by an embodiment of the utility model.
Reference numerals illustrate:
1. An upper joint; 2. an anti-seize cap; 3. fixing the joint; 4. fishing the hook; 5. guiding shoes;
301. a ring table;
401. a hook part.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
See fig. 1-2;
The embodiment discloses oil well steel wire junk fishing tool, this fishing tool includes:
An upper joint 1; and
At least one fishing hook 4 connected with the upper joint 1;
The salvaging hook 4 is connected with the upper joint 1 through the fixed joint 3, and an anti-jamming cap 2 is arranged between the fixed joint 3 and the upper joint 1;
The anti-seize press cap 2 is configured to have a structure that at least part of the cross-sectional dimension is larger than that of the upper joint 1, and the anti-seize press cap 2 can press steel wire junk in the oil well casing;
The fishing hook 4 is provided with a plurality of hooks 401 at a position offset from the outer periphery, and hooks a wire drop by the hooks 401.
Specifically, the embodiment discloses a tool suitable for salvaging steel wire junk in oil well, and it includes top connection 1, fixed joint 3 and salvage hook 4 to install anti-sticking and press cap 2 between fixed joint 3 and top connection 1. The upper joint 1 of the embodiment is connected with an oil pipe column of an operation machine, the tool is lowered to the well depth of the falling object, and when the fishing tool is lowered to the position 20 meters above the falling object, the tool is slowly lowered, and meanwhile, the change of the suspended weight is observed. Due to the bending characteristic of the steel wire falling object, the falling object is likely to be clustered at the bottom of the well, the anti-seizing cap 2 additionally arranged in the embodiment extrudes the steel wire falling object, and the steel wire falling object is hooked by the hook part 401 of the salvaging hook 4 in the embodiment.
Preferably, the upper joint 1 of the present embodiment is configured as a cylindrical structure, and one end of the upper joint 1, which cooperates with the fixed joint 3, has a threaded hole;
One end of the fixed joint 3 is in threaded connection with the upper joint 1 in a threaded hole.
Wherein, the anti-seizing cap 2 is configured as a frustum structure with the cross section size gradually increasing from one end close to the upper joint 1 to one end far from the upper joint 1;
The center of the anti-jamming cap 2 is provided with a through hole which is used for penetrating through one end of the fixed joint 3, the joint of the fixed joint 3 and the anti-jamming cap 2 is provided with a ring platform 301, and when the fixed joint 3 is connected with the upper joint 1, the ring platform 301 abuts against the anti-jamming cap 2.
The structure and the connection mode of the upper joint 1 and the anti-jamming cap 2 are defined in detail in the embodiment, the upper joint 1 is in a cylindrical structure, one end of the upper joint is connected with an oil pipe column of the working machine, therefore, a connection hole of the oil pipe column of the working machine needs to be arranged, and the other end of the upper joint is a threaded hole connected with the fixed joint 3. The anti-seize pressing cap 2 of this embodiment is of a frustum structure, and when in use, the anti-seize pressing cap 2 of a proper size is selected according to the inner diameter size of the oil well casing, and the anti-seize pressing cap 2 is fixed at the end part of the upper joint 1 by the fixing joint 3.
Secondly, the end of the fixed joint 3, which is far away from the anti-jamming cap 2, is a connecting end connected with the salvaging hook 4, and the salvaging hook 4 is in threaded connection with the connecting end.
In order to meet the requirements of fishing operations with different depths, at least one fishing hook 4 is provided in this embodiment, and when a plurality of fishing hooks 4 are provided, adjacent fishing hooks 4 are in threaded connection.
Wherein, the end part of the fishing hook 4 positioned at the forefront end is provided with a guide shoe 5;
The guide shoe 5 is configured in a tapered structure with a gradually decreasing cross-sectional size from the end close to the fishing hook 4 to the end far away from the fishing hook 4, and the end of the guide shoe 5 is a circular arc head.
When the guide shoe 5 is inserted into the steel wire falling object, the suspension weight of the ground weight meter is lowered, so that the salvaging hook 4 of the salvaging tool enters the steel wire falling object. The tubular column is rotated at the wellhead and moves up and down (the upper and lower moving range is controlled within 8 m), and if the suspended weight rises, the oil outlet pipe inspection and salvage effect is achieved.
Preferably, one end of the hook 401 of the present embodiment is fixedly connected to the rod portion of the fishing hook 4, and the other end of the hook 401 extends obliquely toward one end of the upper joint 1.
During operation, the oil pipe column of the operation machine enables the oil well steel wire junk fishing tool to be arranged below the oil well preset position, and at the moment, the oil well steel wire junk fishing tool is slowly arranged below the oil well fishing tool, so that the steel wire junk spirally distributed on the inner wall of the sleeve can be pressed into the bottom of the well by the anti-blocking pressure cap 2, and meanwhile the guide shoe 5 of the fishing tool can be inserted into the steel wire cluster. When the operation machine observes that the suspended weight of the pipe column is slowly reduced from the ground, the steel wire falling object is proved to reach the bottom of the anti-jamming cap 2, and the pipe column is stopped from being lowered. At this time, the pipe column is rotated at the wellhead and moves up and down, the operation machine slowly lifts the pipe column, the operation machine is ready to be started, the weight indicator of the operation machine is carefully observed, when the weight of the pipe column is recovered to be lowered, the weight of the pipe column is not increased any more, the pipe column can be lifted up smoothly, and the salvaging tool is proved to not capture falling objects. When the pipe column is slowly lifted, the hanging weight of the pipe column is found to be continuously increased and exceeds the hanging weight when the pipe column is lowered, and the fact that the underground steel wire falling objects are successfully salvaged is proved, at the moment, the pipe column is lifted slowly, and the pipe column is lifted to a wellhead for checking a salvaging effect.
The fishing tool disclosed by the embodiment is reasonable in structural design and convenient to operate, and can well solve the problems of low construction efficiency, easiness in occurrence of underground secondary accidents and the like in the process of the existing fishing operation of steel wire junk in the oil well casing.
In the technical scheme, the oil well steel wire junk fishing tool provided by the utility model has the following beneficial effects:
the fishing tool solves the problem that the steel wire falling object fishing tool is blocked with the steel wire stroke in the oil well casing in the processes of falling and lifting through the anti-blocking cap 2, not only can ensure that the tool can be smoothly inserted into a steel wire cluster in the fishing operation process, but also can ensure the safety and reliability of the tool, so that the tool pipe string cannot be blocked by winding of underground steel wire falling objects.
The fishing tool provided by the utility model is combined in a threaded connection mode, the anti-seizing cap 2 with a proper size can be replaced according to the inner diameters of different oil well casings, the anti-seizing cap 2 is matched with the casing in size, steel wire falling objects on the well wall can be pressed into a lump, the construction cost is reduced, and the construction efficiency is improved.
The fishing hook 4 of the main body part of the fishing tool has no movable parts, and a plurality of fishing hooks 4 can be combined in series according to the length of the steel wire in the sleeve, so that the whole length of the fishing tool is increased, the safety in the construction process is ensured, the requirements of different underground complex conditions can be met, the safety is high, and the popularization is convenient.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. An oil well wire junk fishing tool, characterized in that the fishing tool includes:
An upper joint (1); and
At least one salvage hook (4) connected with the upper joint (1);
The salvaging hook (4) is connected with the upper joint (1) through a fixed joint (3), and an anti-jamming cap (2) is arranged between the fixed joint (3) and the upper joint (1);
The anti-seize pressing cap (2) is configured to be of a structure with at least part of the cross section dimension larger than that of the upper joint (1), and the anti-seize pressing cap (2) can press steel wire falling objects in an oil well casing;
The outer periphery of the salvaging hook (4) is provided with a plurality of hook parts (401) in a staggered way, and the steel wire falling objects are hooked through the hook parts (401).
2. An oil well wire junk fishing tool according to claim 1, wherein the upper joint (1) is configured into a cylindrical structure, and one end of the upper joint (1) matched with the fixed joint (3) is provided with a threaded hole;
One end of the fixed joint (3) and the upper joint (1) are connected with the threaded hole in a threaded mode.
3. An oil well wire junk fishing tool according to claim 2, wherein the anti-seize cap (2) is configured as a frustum structure with a gradually increasing cross-sectional size from one end close to the upper joint (1) to one end far from the upper joint (1);
the anti-jamming cap (2) is characterized in that a through hole penetrating through one end of the fixed connector (3) is formed in the center of the anti-jamming cap (2), a ring table (301) is arranged at the joint of the fixed connector (3) and the anti-jamming cap (2), and when the fixed connector (3) is connected with the upper connector (1), the ring table (301) abuts against the anti-jamming cap (2).
4. An oil well wire junk fishing tool according to claim 3, wherein one end of the fixed joint (3) far away from the anti-jamming cap (2) is a connecting end connected with the fishing hook (4), and the fishing hook (4) is in threaded connection with the connecting end.
5. An oil well wire junk fishing tool according to claim 4, wherein when the number of the fishing hooks (4) is plural, adjacent fishing hooks (4) are screwed.
6. An oil well wire junk fishing tool according to claim 1 or 5, wherein the end of the fishing hook (4) at the foremost end is fitted with a shoe (5);
The guide shoe (5) is configured into a conical structure with the cross section size gradually reduced from one end close to the fishing hook (4) to one end far away from the fishing hook (4), and the end part of the guide shoe (5) is an arc head.
7. An oil well wire junk fishing tool according to claim 1, wherein one end of the hook part (401) is fixedly connected with the rod part of the fishing hook (4), and the other end of the hook part (401) extends obliquely towards one end of the upper joint (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322991939.6U CN221299119U (en) | 2023-11-06 | 2023-11-06 | Oil well steel wire junk fishing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322991939.6U CN221299119U (en) | 2023-11-06 | 2023-11-06 | Oil well steel wire junk fishing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221299119U true CN221299119U (en) | 2024-07-09 |
Family
ID=91751085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322991939.6U Active CN221299119U (en) | 2023-11-06 | 2023-11-06 | Oil well steel wire junk fishing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221299119U (en) |
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2023
- 2023-11-06 CN CN202322991939.6U patent/CN221299119U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |