CN219826764U - Flat oil pipe overshot - Google Patents
Flat oil pipe overshot Download PDFInfo
- Publication number
- CN219826764U CN219826764U CN202321135863.0U CN202321135863U CN219826764U CN 219826764 U CN219826764 U CN 219826764U CN 202321135863 U CN202321135863 U CN 202321135863U CN 219826764 U CN219826764 U CN 219826764U
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- China
- Prior art keywords
- oil pipe
- flat
- tile
- flat deformation
- sleeve
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 241000251468 Actinopterygii Species 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a flat oil pipe overshot, and in particular relates to the technical field of oil pipe salvage, which comprises an upper joint barrel flat deformation oil pipe, wherein a salvage sleeve flat deformation oil pipe is detachably connected below the upper joint barrel flat deformation oil pipe, a shoe-leading flat deformation oil pipe can be detachably connected below the salvage sleeve flat deformation oil pipe, the inner wall of the salvage sleeve flat deformation oil pipe is in a conical shape with a large upper part and a small lower part, two symmetrically arranged chute clamping path flat deformation oil pipes are arranged on the inner wall of the salvage sleeve flat deformation oil pipe, and a first clamping tile flat deformation oil pipe and a second clamping tile flat deformation oil pipe are respectively and slidably connected in the two chute clamping path flat deformation oil pipes. The flat oil pipe overshot changes the conventional sliding block slips into the symmetrical arrangement of the first clamping tile and the second slip piece, can be used for salvaging deformed flat oil pipes, and has the advantages of reliable technology, convenient field operation and high salvaging success rate.
Description
Technical Field
The utility model relates to the technical field of oil pipe salvaging, in particular to a flat oil pipe salvaging cylinder.
Background
In well repair and oil connection operations, it is often encountered that deformed oil pipes and coiled tubing are salvaged in small-size wellbores, whether due to corrosion and sand settling of the oil pipes, deformed fish heads caused by milling, drilling pressure buckling, rotating torsion and extrusion buckling, or deformation of oil connection under pressure difference or lifting force are easy to cause irregular fish heads, and often the fish head deformation condition occurs for many times in one well operation. Therefore, to address such downhole complications, custom dedicated milling and fishing tool development and design is scheduled.
Recently, when an oil pipe with the diameter of 97mm in a certain well of a certain oil field is connected with oil, the phi 54mm continuous oil pipe is deformed into a deformed flat oil pipe with the length of 69mm and the width of 19mm due to pressure difference (as shown in figure 3). In an oil pipe with the diameter of 97mm, when the flat coiled oil pipe with the length of 69mm and the thickness of 19mm is salvaged, the phenomenon of twisting and bending and folding is very easy to occur. Because the existing standard fishing tool cannot meet the construction requirement due to the small influence of annular clearance, a special fishing tool needs to be developed, designed and produced.
Disclosure of Invention
The utility model mainly aims to provide a flat oil pipe overshot which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a flat oil pipe overshot, includes the flat deformation oil pipe of upper joint section of thick bamboo, the flat deformation oil pipe below of upper joint section of thick bamboo can be dismantled and be connected with the flat deformation oil pipe of salvage sleeve, the flat deformation oil pipe below of salvage sleeve can be dismantled and be connected with the flat deformation oil pipe of guide shoe, the flat deformation oil pipe inner wall of salvage sleeve is big-end-up's toper, the flat deformation oil pipe of spout card way that two symmetries set up has been seted up on the flat deformation oil pipe inner wall of salvage sleeve, two sliding connection has the flat deformation oil pipe of first card tile and the flat deformation oil pipe of second card tile in the flat deformation oil pipe of spout card way respectively, the flat deformation oil pipe of first card tile and the flat deformation oil pipe of second card tile all process into the card tooth plate tooth that is close to each other.
Preferably, the upper joint barrel flat deformation oil pipe and the salvage sleeve flat deformation oil pipe are in threaded connection, and the salvage sleeve flat deformation oil pipe and the guide shoe flat deformation oil pipe are in threaded connection.
Preferably, the arc surfaces of the first clamping tile flat deformation oil pipe and the second clamping tile flat deformation oil pipe lean against the inner wall of the salvaging sleeve flat deformation oil pipe.
Preferably, the lower part of one end of the first clamping tile flat deformation oil pipe and the lower part of one end of the second clamping tile flat deformation oil pipe, which are close to each other, incline outwards to form an opening.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses a flat oil pipe overshot, which changes a conventional sliding block slip into a first clamping tile and a second slip piece which are symmetrically arranged, can be used for salvaging deformed flat oil pipes, has reliable technology, convenient field operation and high salvaging success rate, and solves the problem that the phenomena of twisting bending and folding are very easy to occur when a flat coiled oil pipe with the length of 69mm and the thickness of 19mm is salvaged in an oil pipe with the diameter of 97 mm.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the operation of the present utility model
FIG. 3 is a schematic view of a deformed flat oil pipe according to the present utility model.
In the figure: 1. an upper joint cylinder; 2. fishing the sleeve; 3. guiding shoes; 4. a first card tile; 5. a second card tile; 6. the chute is clamped; 7. tooth plate teeth of the stuck tooth; 8. and deforming the flat oil pipe.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-2, a flat oil pipe overshot comprises an upper joint barrel 1, a salvage sleeve 2 can be detachably connected below the upper joint barrel 1, a guide shoe 3 can be detachably connected below the salvage sleeve 2, the inner wall of the salvage sleeve 2 is in a conical shape with a big upper part and a small lower part, two symmetrically arranged chute clamping channels 6 are formed in the inner wall of the salvage sleeve 2, a first clamping tile 4 and a second clamping tile 5 are respectively and slidably connected in the two chute clamping channels 6, one ends, close to each other, of the first clamping tile 4 and the second clamping tile 5 are respectively processed into clamping tile plate teeth 7, friction force between the first clamping tile 4, the second clamping tile 5 and the deformed flat oil pipe 8 is increased, salvage stability is improved, and when salvage is avoided, the oil pipe falls.
The upper joint barrel 1 is in threaded connection with the fishing sleeve 2, the fishing sleeve 2 is in threaded connection with the guide shoe 3, and the stability of the fishing barrel is guaranteed due to the threaded connection.
The arc surfaces of the first clamping tile 4 and the second clamping tile 5 lean against the inner wall of the salvaging sleeve 2, so that the first clamping tile 4 and the second clamping tile 5 can slide conveniently.
The lower part of one end of the first clamping tile 4 and the second clamping tile 5, which are close to each other, incline outwards to form an opening, so that the deformed flat oil pipe 8 conveniently enters between the first clamping tile 4 and the second clamping tile 5 through the opening.
The working principle of the utility model is as follows: when the overshot is used, the overshot is lowered into a well, the deformed flat oil pipe 8 enters the overshot from the guide shoe 3, the upper end of the deformed flat oil pipe 8 passes through the space between the first clamping tile 4 and the second clamping tile 5, and then the overshot is lifted up, due to the action of the sliding groove clamping channel 6, the first clamping tile 4 and the second clamping tile 5 move downwards along the sliding groove clamping channel 6 in the upward moving process of the overshot, the first clamping tile 4 and the second clamping tile 5 are mutually close, the clamping tooth plate teeth 7 are tightly meshed on the outer surface of the deformed flat oil pipe 8, and then the deformed flat oil pipe 8 is driven to move upwards in the upward moving process of the whole overshot, so that the salvaging of the deformed flat oil pipe 8 is completed.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. A flat oil pipe overshot, its characterized in that: including an upper joint section of thick bamboo (1), be connected with salvage sleeve (2) can be dismantled to upper joint section of thick bamboo (1) below, salvage sleeve (2) below can be dismantled and be connected with guide shoe (3), salvage sleeve (2) inner wall is big-end-up's toper, two spout card ways (6) that the symmetry set up have been seted up on salvage sleeve (2) inner wall, two sliding connection has first card tile (4) and second card tile (5) in spout card way (6), the one end that first card tile (4) and second card tile (5) are close to each other is all processed into card tile toothed bar (7).
2. A flat tubing overshot according to claim 1, characterised in that: the upper joint barrel (1) is in threaded connection with the fishing sleeve (2), and the fishing sleeve (2) is in threaded connection with the guide shoe (3).
3. A flat tubing overshot according to claim 1, characterised in that: the arc surfaces of the first clamping tile (4) and the second clamping tile (5) lean against the inner wall of the salvaging sleeve (2).
4. A flat tubing overshot according to claim 1, characterised in that: the lower parts of the ends, close to each other, of the first clamping tile (4) and the second clamping tile (5) incline outwards to form an opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321135863.0U CN219826764U (en) | 2023-05-11 | 2023-05-11 | Flat oil pipe overshot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321135863.0U CN219826764U (en) | 2023-05-11 | 2023-05-11 | Flat oil pipe overshot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219826764U true CN219826764U (en) | 2023-10-13 |
Family
ID=88276072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321135863.0U Active CN219826764U (en) | 2023-05-11 | 2023-05-11 | Flat oil pipe overshot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219826764U (en) |
-
2023
- 2023-05-11 CN CN202321135863.0U patent/CN219826764U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |