CN220909649U - Soft thing fishing device of geothermal well - Google Patents
Soft thing fishing device of geothermal well Download PDFInfo
- Publication number
- CN220909649U CN220909649U CN202322803424.9U CN202322803424U CN220909649U CN 220909649 U CN220909649 U CN 220909649U CN 202322803424 U CN202322803424 U CN 202322803424U CN 220909649 U CN220909649 U CN 220909649U
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- fishing
- geothermal well
- salvaging
- soft
- bearing plate
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Abstract
The utility model provides a device for salvaging soft objects of a geothermal well, which relates to the technical field of salvaging the geothermal well, and comprises the following components: a carrying plate; the connecting component is arranged on one side of the bearing plate and is used for connecting the traction component; the fishing rods are distributed on the other side of the bearing plate along a virtual circumference, and fishing teeth are arranged on the outer sides of the fishing rods; the problem of among the prior art fishing tool insert the falling object group from the centre, the grasp to the falling object group is less in the lifting process, and the falling object group fracture or the scattering appears easily under the friction effect of dragging of lower part falling object and well wall, leads to once to salvaging the falling object less is solved.
Description
Technical Field
The utility model belongs to the technical field of geothermal well salvaging, and particularly relates to a geothermal well soft object salvaging device.
Background
Geothermal resources are renewable energy sources, geothermal wells are more and more along with continuous utilization of the geothermal resources, and because the development period of the geothermal wells is more than 25 years, accidents such as underground falling objects and the like often occur in the development and utilization process, and the falling objects in the geothermal wells need to be salvaged. The types of falling objects in the geothermal well are divided into hard falling objects and soft falling objects, and common hard falling objects comprise a submersible pump, a pump pipe, an iron block, a stone block, a testing instrument and the like; common soft drops include electric cables, optical cables, steel wires, large ropes, underground filter bags and the like. At present, the salvaging of junk in a geothermal well is mostly carried out by using salvaging devices in an oil well, in the salvaging process of the oil well, the conventional shaft salvaging devices are more, the salvaging of hard junk can be carried out by using salvaging barrels, salvaging spears, male cones, female cones, strong magnetic salvaging devices, tiger mouth devices and the like, and the salvaging of hard junk is relatively difficult; the soft falling objects generally adopt an inner hook, an outer hook, a grabbing device, a fishing cup, a steel wire brush and the like, and the soft falling objects are difficult to salvage.
The existing soft object salvaging basically depends on hanging teeth on an outer hook or an inner hook to salvage, a salvaging tool is often inserted into the deep part of a falling object from the middle in the salvaging process, the falling object is hung by means of a tool hook, a falling object group is often inserted from the middle into a shaft by the tool because the falling object is piled up in the shaft, the phenomenon that the falling object is easily broken or scattered due to the fact that the falling object is less in grasping of the falling object in the lifting process after the falling object group is hung, and the phenomenon that the quantity of the falling object is small or even the salvaging is hollow is caused under the dragging of the falling object at the lower part and the friction force of the shaft wall. The well body structure of the geothermal well is greatly different from that of an oil well, well casing pipes of the geothermal well are arranged in a grading mode, junk salvaging is often extruded and broken at a reducing position in the ascending process, salvaging is failed, continuous repeated operation is needed, the construction period is long, particularly, a soft underground filtering device is low in tensile strength, tearing occurs when the tensile force is slightly larger, a drilling sticking accident is easy to occur at the reducing position, and normal production of the geothermal well is seriously affected.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art, and provides a geothermal well soft object salvaging device, which solves the problems that in the prior art, a salvaging tool is inserted into a falling object group from the middle, the grasping to the falling object group in the lifting process is less, the falling object group is easy to break or scatter under the dragging of a falling object at the lower part and the friction force of the wall of a well, and the falling object is less in salvaging at one time.
In order to achieve the above object, the present utility model provides a geothermal well soft matter salvaging apparatus, comprising:
A carrying plate;
The connecting part is arranged on one side of the bearing plate and is used for connecting the traction part;
The plurality of fishing rods are distributed on the other side of the bearing plate along a virtual circumference, and fishing teeth are arranged on the outer sides of the fishing rods.
Optionally, the bearing plate is circular, and the outer diameter of the bearing plate is matched with the inner diameter of the shaft of the geothermal well.
Optionally, the outer diameter of the bearing plate is 5-8mm smaller than the inner diameter of the finest part of the shaft of the geothermal well.
Optionally, the connecting component comprises a connecting column, one end of the connecting column is connected to the middle part of the bearing plate, and a coupling is arranged at the other end of the connecting column.
Optionally, the traction component comprises a salvage pipe column, one end of the salvage pipe column is connected with the connecting component, and the other end of the salvage pipe column is connected with a lifting driving component and a rotation driving component.
Optionally, the bearing plate is provided with a plurality of through holes, and the through holes are used for liquid leakage.
Optionally, the lengths of a plurality of the fishing rods are different.
Optionally, a tip is disposed at an end of the fishing rod away from the carrier plate.
Optionally, the salvaging teeth are obliquely arranged towards one side close to the bearing plate, and an included angle between the axis of the salvaging teeth and the axis of the salvaging rod is 30-45 degrees.
Optionally, a plurality of fishing rods are provided with fishing teeth on a side facing the inside of the virtual circumference.
The utility model provides a device for salvaging soft objects of a geothermal well, which has the beneficial effects that: this soft thing fishing device of geothermal well has the loading board, be provided with connecting piece and a plurality of fishing rod that are used for connecting traction element respectively in the both sides of loading board, a plurality of fishing rods are along a virtual circumference distribution, and be provided with the salvage tooth, when salvaging the soft junk in the geothermal well, a plurality of fishing rods can insert the junk group of soft junk along above-mentioned virtual circumference, and utilize the salvage tooth to hang the junk group, a plurality of fishing rods that distribute along virtual circumference form the parcel and the state of hanging to the inside part of junk group, avoid the junk group fracture or scatter in ascending pulling in-process, can improve the volume of salvaging the junk and the success rate of salvaging, and then improve salvage efficiency.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the utility model.
Fig. 1 shows a schematic structural view of a geothermal well soft-cargo fishing apparatus according to an embodiment of the present utility model.
Reference numerals illustrate:
1. A carrying plate; 2. fishing rod; 3. fishing teeth; 4. a connecting column; 5. coupling; 6. a tip portion.
Detailed Description
Preferred embodiments of the present utility model will be described in more detail below. While the preferred embodiments of the present utility model are described below, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
As shown in fig. 1, the present utility model provides a device for salvaging soft objects of geothermal wells, comprising:
A carrier plate 1;
A connecting member provided at one side of the carrier plate 1, the connecting member being for connecting the traction member;
the plurality of fishing rods 2 are distributed on the other side of the bearing plate 1 along a virtual circumference, and fishing teeth 3 are arranged on the outer side of the fishing rods 2.
Specifically, in order to solve the problems that in the prior art, a salvaging tool is inserted into a falling object from the middle, the grasping of the falling object is less in the lifting process, and the falling object is easy to break or scatter under the action of the dragging of the falling object at the lower part and the friction force of the wall of a well, so that the falling object is less in salvaging at one time; the geothermal well soft object salvaging device provided by the utility model is provided with the bearing plate 1, the two sides of the bearing plate 1 are respectively provided with the connecting part for connecting the traction part and the plurality of salvaging rods 2, the plurality of salvaging rods 2 are distributed along a virtual circumference and are provided with the salvaging teeth 3, when the soft objects in the geothermal well are salvaged, the plurality of salvaging rods 2 can be inserted into the falling objects of the soft objects along the virtual circumference, the salvaging teeth 3 are utilized to hang the falling objects, and the plurality of salvaging rods 2 distributed along the virtual circumference form a state of wrapping and hanging the inner parts of the falling objects, so that the falling objects are prevented from being broken or scattered in the upward pulling process, the amount of the once salvaged falling objects and the salvaging success rate can be improved, and further the salvaging efficiency is improved.
Furthermore, the setting of a plurality of fishing rods 2 can grasp the junk better on the one hand, has also shared the downward drag of junk group on the other hand, reduces the drop of junk.
In this embodiment, a plurality of fishing rods 2 are uniformly distributed along the virtual circumference.
Alternatively, the carrier plate 1 is circular, and the outer diameter of the carrier plate 1 is matched with the inner diameter of the shaft of the geothermal well.
Specifically, the shape of the circular bearing plate 1 is the same as that of the shaft of the geothermal well, and the circular bearing plate and the shaft of the geothermal well are mutually matched in size, so that a certain positioning effect can be achieved on the plurality of fishing rods 2 after the circular bearing plate and the shaft of the geothermal well are lowered into the shaft, and the plurality of fishing rods 2 are ensured to be inserted into falling objects of soft falling objects downwards on a virtual circumference.
Alternatively, the outer diameter of the carrier plate 1 is 5-8mm smaller than the inner diameter of the finest part of the well bore of the geothermal well.
Specifically, the outer diameter of the bearing plate 1 is slightly smaller than the inner diameter of the shaft, so that descending and lifting are smooth, and in the process of lowering the geothermal well soft matter salvaging device, a small gap between the bearing plate 1 and the shaft can prevent falling matters or sundries in the well from passing through gaps around the bearing plate 1 to the upper side of the bearing plate 1.
Further, for a wellbore with a variable diameter, the inner diameter of the carrier plate 1 needs to be slightly smaller than the inner diameter of the thinnest part of the wellbore, so that the trafficability of the wellbore is ensured.
In this embodiment, the center of the virtual circumference is concentric with the center of the carrier plate 1, and the virtual circumference is close to the outer circumference of the carrier plate 1.
Optionally, the connecting component comprises a connecting column 4, one end of the connecting column 4 is connected to the middle part of the bearing plate 1, and the other end of the connecting column 4 is provided with a coupling 5.
Specifically, the connecting column 4 is columnar, one end of the connecting column is connected in the middle of the bearing plate 1, the coupling 5 is arranged at the other end of the connecting column, the coupling 5 adopts the tubing coupling 5, and the connecting column can be connected with a salvaging pipe column through threads.
Optionally, the traction component comprises a salvage pipe column, one end of the salvage pipe column is connected with the connecting component, and the other end of the salvage pipe column is connected with the lifting driving component and the rotation driving component.
Specifically, the salvage pipe column is connected with the bearing plate 1 through the connecting component, can lift and rotate under the driving action of the lifting driving component and the rotating driving component, and can rotate while lifting in the salvage process, so that the salvaged falling object is prevented from scattering, and the salvage success rate and the salvage efficiency are improved.
In this embodiment, the fishing pipe column may be an oil pipe, and the other end of the fishing pipe column is connected to a hook of the workover rig, and is driven to lift and rotate by the workover rig.
Optionally, the carrier plate 1 is provided with a plurality of through holes, and the through holes are used for liquid leakage.
Specifically, the through hole is used for liquid to pass through for more smooth and easy when this fishing device goes down, and liquid leaks down through the through hole when mentioning, avoids the resistance too big.
Alternatively, the lengths of the plurality of fishing rods 2 are different.
Specifically, the lengths of the plurality of fishing rods 2 are different, so that the fishing rods can be inserted into different depths in the falling object groups respectively, and the pulling and hanging force on the falling object groups is improved.
Optionally, the end of the fishing rod 2 remote from the carrier plate 1 is provided with a tip portion 6.
Specifically, the tip portion 6 makes the end of the fishing rod 2 into a pen point shape, and is easier to insert into the falling mass.
Optionally, the fishing teeth 3 are arranged obliquely to the side close to the bearing plate 1, and the included angle between the axis of the fishing teeth 3 and the axis of the fishing rod 2 is 30-45 degrees.
Specifically, the salvaging teeth 3 can also be arranged in a cone shape, and can incline upwards to hang falling objects formed by soft falling objects.
Optionally, the side of the plurality of fishing rods 2 facing the inside of the virtual circumference is provided with fishing teeth 3.
Specifically, the salvaging teeth 3 are arranged towards the inner circle center direction of the virtual circumference, which is beneficial to forming the effect of surrounding and pulling up falling objects in the virtual circumference.
In this embodiment, the connecting member and the end of the fishing rod 2 near the carrier plate 1 are welded to the carrier plate 1.
In summary, when the geothermal well soft matter salvaging device provided by the utility model is used, the connecting component is connected with the salvaging pipe column and is put into the well, the salvaging pipe column is quickly pressurized and lowered after reaching the falling matter position, the salvaging pipe column is rotated and lifted up, the ground suspended weight condition is observed, if the suspended weight is increased, the falling matter is successfully grasped, and if the suspended weight is not increased, the previous operation is repeated; and after the oil pipe is successfully gripped, the oil pipe is continuously lifted, the falling objects are lifted to the ground, and the one-time falling object salvaging is completed.
The connecting part of the geothermal well soft matter salvaging device is consistent with the material specification of a salvaging pipe column, the upper part is provided with an oil pipe coupling 5, the upper part is connected with the salvaging pipe column through screw threads, the lower part is provided with a flat port, and the lower part is welded at the center of a baffle; the bearing plate 1 is a circular steel plate, the outer diameter of the bearing plate is 5-8mm smaller than the inner diameter of a shaft, the specific outer diameter is adjusted according to the shaft and the requirement, and 3-5 circular through holes are distributed on the circular steel plate, so that the leakage is facilitated, and the lifting difficulty is avoided; in addition, the round steel plate also plays a role in preventing falling objects from turning to the upper part during salvaging operation; the three fishing rods 2 are 2.5m, 2.2m and 1.8m in design length and are positioned at the outer edge of the bearing plate 1 through welding, the fishing rods 2 are processed by adopting hard materials, three vertical fishing teeth 3 are welded on each fishing rod 2 respectively, the fishing teeth 3 are all inward, the bottom end of the fishing rod 2 is designed into a pen point shape, and the quick insertion of the deep part of a falling object is facilitated; the device can be adjusted in size according to different shaft structures of the falling object.
The foregoing description of embodiments of the utility model has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (10)
1. A geothermal well softwares fishing device, characterized in that it includes:
A carrying plate;
The connecting part is arranged on one side of the bearing plate and is used for connecting the traction part;
The plurality of fishing rods are distributed on the other side of the bearing plate along a virtual circumference, and fishing teeth are arranged on the outer sides of the fishing rods.
2. The geothermal well soft-cargo fishing apparatus of claim 1, wherein the carrier plate is circular, and wherein an outer diameter of the carrier plate is matched with an inner diameter of a well bore of the geothermal well.
3. The geothermal well soft-cargo fishing apparatus of claim 2, wherein the outer diameter of the carrier plate is less than 5-8mm of the inner diameter of the finest portion of the wellbore of the geothermal well.
4. The geothermal well soft-cargo fishing device of claim 1, wherein the connecting member comprises a connecting column, one end of the connecting column is connected to the middle of the bearing plate, and the other end of the connecting column is provided with a coupling.
5. The geothermal well soft matter fishing device according to claim 1, wherein the traction means comprises a fishing string, one end of the fishing string is connected to the connection means, and the other end of the fishing string is connected to a lifting driving means and a rotation driving means.
6. The geothermal well soft-cargo fishing device of claim 1, wherein the carrier plate is provided with a plurality of through holes for leakage.
7. The geothermal well soft-cargo fishing apparatus of claim 1, wherein a plurality of the fishing rods are different in length.
8. The geothermal well soft-cargo fishing device of claim 1, wherein an end of the fishing rod remote from the carrier plate is provided with a tip portion.
9. The geothermal well soft-goods fishing device according to claim 1, wherein the fishing teeth are arranged obliquely to a side close to the bearing plate, and an included angle between an axis of the fishing teeth and an axis of the fishing rod is 30-45 °.
10. The geothermal well soft-goods fishing apparatus according to claim 1, wherein a plurality of the fishing rods are provided with fishing teeth on a side facing the inside of the virtual circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322803424.9U CN220909649U (en) | 2023-10-18 | 2023-10-18 | Soft thing fishing device of geothermal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322803424.9U CN220909649U (en) | 2023-10-18 | 2023-10-18 | Soft thing fishing device of geothermal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220909649U true CN220909649U (en) | 2024-05-07 |
Family
ID=90903186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322803424.9U Active CN220909649U (en) | 2023-10-18 | 2023-10-18 | Soft thing fishing device of geothermal well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220909649U (en) |
-
2023
- 2023-10-18 CN CN202322803424.9U patent/CN220909649U/en active Active
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