CN214349314U - Downhole steel wire shearing tool for oil-water well - Google Patents
Downhole steel wire shearing tool for oil-water well Download PDFInfo
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- CN214349314U CN214349314U CN202120378893.9U CN202120378893U CN214349314U CN 214349314 U CN214349314 U CN 214349314U CN 202120378893 U CN202120378893 U CN 202120378893U CN 214349314 U CN214349314 U CN 214349314U
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Abstract
An oil-water well downhole wireline shear tool, comprising: the fishing device comprises a fishing head, a tool body connected below the fishing head, and a step surface arranged below the tool body; wherein, a lateral open slot is arranged on one side of the tool body, the lateral open slot penetrates through the whole fishing head, the tool body and the step surface, and the steel wire can be embedded; a plurality of side wall through holes are arranged on one side of the tool body at intervals of a set distance, and a plurality of fixing pins are arranged on the other side of the tool body at intervals of a set distance; and the fixing pin penetrates through the outer side of the whole tool body, the lateral groove and the side wall through hole and corresponds to the side wall through hole. The utility model not only can realize the flexible embedding of the steel wire shearing tool on the ground under the condition that the steel wire can not be lifted out of the ground when meeting the clamp in the well, but also can fall to the well along the steel wire; meanwhile, the tool body is also provided with a side wall through hole and a fixing pin which limits the side direction in the groove, so that the embedded steel wire is separated.
Description
Technical Field
The utility model belongs to the offshore oil engineering field especially relates to oil-water well steel wire shearing tool in pit.
Background
At present, in the process of carrying out steel wire operation on an oil-water well, because shaft falling objects, scaling, sand production, pipe column deformation or improper operation and the like easily cause the phenomenon that an operation steel wire is blocked underground and cannot rise out of the ground, thereby forming the common operation complex situation which is difficult to process. In case of failure of releasing the jam under the complex condition, the fatigue of the underground steel wire is easy to break randomly or the steel wire is cut on the ground by a manual cutter, so that a large amount of steel wires fall into the underground, great complex difficulty is increased for subsequent work treatment, and even normal production is seriously influenced.
In order to solve the above problems, generally, a downhole wire cutter of a shell structure is used for processing; the cutter mainly comprises: the supporting seat and the impact rod form shells with different layers inside and outside respectively through the supporting seat and the impact rod, and form shearing on the steel wire through connection and interaction of the shells; however, the design structure is complex, so that the tool application cost is high and the field maintenance is difficult; meanwhile, under the conditions of large well deviation or large well condition abrasive resistance, the shearing force is easy to be insufficient, and therefore shearing failure is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil-water well is steel wire shearing tool in pit to solve and under the great or well condition of well deviation ground resistance great condition, make the shearing force insufficient easily, and the technical problem of the shearing failure that leads to.
In order to achieve the above object, the utility model discloses a steel wire shearing tool in pit of oil-water well's concrete technical scheme as follows:
an oil-water well downhole wireline shear tool, comprising: the fishing device comprises a fishing head, a tool body connected below the fishing head, and a step surface arranged below the tool body; wherein the content of the first and second substances,
a lateral open groove is arranged at one side of the tool body, penetrates through the whole fishing head, the tool body and the step surface, and can realize the embedding of a steel wire; a plurality of side wall through holes are arranged on one side of the tool body at intervals of a set distance, and a plurality of fixing pins are arranged on the other side of the tool body at intervals of a set distance; and the fixing pin penetrates through the outer side of the whole tool body, the lateral groove and the side wall through hole and corresponds to the side wall through hole.
Furthermore, the fishing head is provided with a protective cap arranged at the top and a fishing neck arranged below the protective cap, and the fishing head can be butted and matched with a conventional steel wire fishing tool, so that fishing can be realized after the fishing head is thrown into a well.
Further, the tool body is a high-density weighting bar structure; and the high-density weighting rod structure is made of tungsten steel material.
Further, the step surface is an inclined surface of 45-60 degrees and is positioned at the bottom of the tool body.
Further, the lateral groove is a U-shaped groove body.
Furthermore, the side wall through hole is arranged on the tool body and penetrates through the corresponding outer side of the tool body and the lateral groove.
Furthermore, the fixing pin can pass through the through hole of the side wall and can limit the steel wire embedded in the lateral groove from separating.
The utility model discloses an oil-water well is steel wire shearing tool in pit has following advantage:
1) the fishing head is provided with the protective cap and the fishing neck, so that the fishing head can be butted and matched with a conventional steel wire fishing tool, and the steel wire cutting tool can realize fishing after being thrown into a well;
2) because the tool body is of a high-density weighting rod structure and is combined with a smooth inclined plane with the bottom of 45-60 degrees, the shearing effect after impact can be improved;
3) due to the lateral slotting, the steel wire shearing tool can be flexibly embedded into the ground under the condition that the underground steel wire cannot be lifted out of the ground when meeting a clamp, and can also fall down to the underground along the steel wire;
4) the side wall through hole and the fixing pin are arranged on the tool body, so that the side wall through hole and the fixing pin can be limited in the lateral groove, and the embedded steel wire can be separated; moreover, the operation is simple, the maintenance is convenient, and the device can be repeatedly used.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The notation in the figure is:
1. fishing the head; 2. a tool body; 3. a step surface; 4. slotting in a lateral direction; 5. a sidewall via; 6. and fixing the pin.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model comprises: the fishing device comprises a fishing head 1, a tool body 2 connected below the fishing head 1, and a step surface 3 arranged below the tool body 2; wherein, the fishing head 1 is provided with a protective cap arranged at the top and a fishing neck arranged below the protective cap; a lateral open groove 4 is formed in one side of the tool body 2, the lateral open groove 4 penetrates through the whole fishing head 1, the tool body 2 and the step surface 3, and steel wires can be embedded; a plurality of side wall through holes 5 (four in the embodiment) are arranged on one side of the tool body 2 at a set distance, and a plurality of fixing pins 6 (four in the embodiment) are arranged on the other side of the tool body 2 at a set distance; and the fixing pin 6 penetrates through the outer side of the whole tool body 2, the lateral groove 4 and the side wall through hole 5 and corresponds to the side wall through hole 5, and the oil-water well underground steel wire shearing tool is formed by the connection.
The fishing head 1 is provided with a protective cap arranged at the top and a fishing neck arranged below the protective cap, and the fishing head 1 can be butted and matched with a conventional steel wire fishing tool to realize fishing after being thrown into a well;
the tool body 2 is a high-density weighting rod structure; and the high-density weighting rod structure is made of tungsten steel material.
The step surface 3 is an inclined surface which is within the range of 40 degrees, 42 degrees, 45 degrees, 48 degrees, 50 degrees, 52 degrees, 56 degrees, 58 degrees, 60 degrees, 62 degrees and 64 degrees, preferably 45 degrees to 60 degrees and is positioned at the bottom of the tool body 2;
the lateral open groove 4 is a U-shaped groove body;
the side wall through hole 5 is arranged on the tool body 2 and penetrates through the corresponding outer side of the tool body 2 and the lateral open slot 4;
the fixing pin 6 can pass through the side wall through hole 5 and can limit the steel wire embedded in the lateral slot 4 from separating.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The fishing head, the tool body and the fixing pin are prior art, and the unexplained technology is prior art, so that the detailed description is omitted.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (7)
1. An oil-water well downhole wire shearing tool, comprising: the fishing device comprises a fishing head, a tool body connected below the fishing head, and a step surface arranged below the tool body; wherein the content of the first and second substances,
a lateral open groove is arranged at one side of the tool body, penetrates through the whole fishing head, the tool body and the step surface, and can realize the embedding of a steel wire; a plurality of side wall through holes are arranged on one side of the tool body at intervals of a set distance, and a plurality of fixing pins are arranged on the other side of the tool body at intervals of a set distance; and the fixing pin penetrates through the outer side of the whole tool body, the lateral groove and the side wall through hole and corresponds to the side wall through hole.
2. The downhole steel wire shearing tool for the oil-water well as the claim 1 is characterized in that the fishing head is provided with a protective cap arranged at the top and a fishing neck arranged below the protective cap, and the fishing head can be butted and matched with a conventional steel wire fishing tool to realize fishing after being thrown into a well.
3. The downhole wireline shearing tool for oil and water wells of claim 1, wherein the tool body is a high density weight bar construction; and the high-density weighting rod structure is made of tungsten steel material.
4. The downhole wireline shearing tool of claim 1 wherein the step surface is a 45 ° -60 ° chamfer and the step surface is located at the bottom of the tool body.
5. The downhole wireline shearing tool of claim 1 wherein the lateral slot is a U-shaped slot.
6. The downhole wire shearing tool for oil-water wells as claimed in claim 1, wherein the sidewall through holes are formed in the tool body and penetrate through the corresponding outer side and lateral grooves of the tool body.
7. The downhole wireline shearing tool for oil and water wells of claim 1, wherein the retaining pin is adapted to pass through the sidewall opening and to limit the removal of the embedded wireline from the lateral slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120378893.9U CN214349314U (en) | 2021-02-19 | 2021-02-19 | Downhole steel wire shearing tool for oil-water well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120378893.9U CN214349314U (en) | 2021-02-19 | 2021-02-19 | Downhole steel wire shearing tool for oil-water well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214349314U true CN214349314U (en) | 2021-10-08 |
Family
ID=77964952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120378893.9U Active CN214349314U (en) | 2021-02-19 | 2021-02-19 | Downhole steel wire shearing tool for oil-water well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214349314U (en) |
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2021
- 2021-02-19 CN CN202120378893.9U patent/CN214349314U/en active Active
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