CN215907799U - Hydraulic tool for salvaging underground linear junk - Google Patents
Hydraulic tool for salvaging underground linear junk Download PDFInfo
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- CN215907799U CN215907799U CN202121886035.1U CN202121886035U CN215907799U CN 215907799 U CN215907799 U CN 215907799U CN 202121886035 U CN202121886035 U CN 202121886035U CN 215907799 U CN215907799 U CN 215907799U
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- hydraulic tool
- fishing
- telescopic arm
- linear
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Abstract
The utility model discloses a hydraulic tool for fishing underground linear junk, which comprises a body, a female joint, a male joint, a ball seat, a steel ball, a mandrel, a driving ring, a telescopic arm and the like, wherein the hydraulic tool is mainly made of metal materials, the top of the hydraulic tool is the female joint, and the bottom of the hydraulic tool is the male joint; the ball seat is a support with a hole in the center and is arranged in the hydraulic tool, and drilling fluid can flow through the center of the ball seat; the steel ball is a circular ball body, the hydraulic tool for fishing the linear falling objects in the well is a columnar pup joint which is similar to drilling tools such as a drill rod and a drill collar in the well in structure, and the hydraulic tool is made through professional design and has high safety and capability of improving the success rate of fishing the linear falling objects. The device can be disassembled and assembled at any time like a drill rod, so that the use flexibility of the device is improved.
Description
Technical Field
The utility model belongs to the technical field of petroleum drilling, and particularly relates to a hydraulic tool for salvaging underground linear junk.
Background
In the field of petroleum drilling, linear objects such as steel wire ropes and cables are broken and fall into a well. When the industry salvages the falling objects, no special fishing tool is provided, and a simple barb-like tool which is temporarily welded and manufactured on site is generally adopted for fishing. Unnecessary non-production time is often caused by on-site temporary manufacturing, so that the operation cost is increased; in addition, because the safety of the temporarily welded tools on site cannot be guaranteed, the tools may break under stress after being lowered into the well, thereby further complicating the situation. Aiming at a hydraulic tool for fishing underground linear falling objects, the hydraulic tool is opened and retracted by utilizing the fluid energy of drilling fluid, and after the hydraulic tool is manufactured by specialized design and manufacturing, specialized flaw detection is carried out, so that the safety performance of the hydraulic tool is ensured. The fishing tool can be directly connected to a drill stem for use, so that the operation time is saved, the fishing success rate is improved, and the problem that fishing of linear falling objects is time-consuming and labor-consuming is solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a hydraulic tool for fishing a linear fallen object in a well.
The utility model is realized by the following technical scheme:
a hydraulic tool for salvaging underground linear falling objects comprises a body, a telescopic arm, a ball seat and a steel ball;
the body is cylindrical, a through liquid pipeline is arranged at the center of the body, a female joint used for being connected with an upper drill rod is formed at the upper end of the body, and a male joint used for being connected with a lower drill rod is formed at the lower end of the body;
a driving cavity communicated with the liquid pipeline through a liquid passing channel is formed in the body, and a driving ring is arranged in the driving cavity;
a telescopic arm groove for accommodating a telescopic arm is formed in the outer wall of the body, the telescopic arm is hinged in the telescopic arm groove, and the bottom surface of the telescopic arm is lapped on the driving ring;
a ball seat is arranged at the position, below the liquid passing channel, of the inner wall of the body, and a steel ball is arranged in the ball seat.
In the above technical solution, the liquid passing channel is located at the bottom of the driving cavity.
In the technical scheme, the telescopic arms are evenly arranged along the outer wall of the body at intervals, and the number of the telescopic arms is 3-4.
In the above technical solution, the telescopic arm is wedge-shaped.
In the technical scheme, the outer pipe wall of the body is provided with threads.
In the technical scheme, the length of the body is 3-4 meters.
In the technical scheme, the outer diameter of the body is 6-8 inches.
In the technical scheme, the inner diameter of the body is 2-3 inches.
The utility model has the advantages and beneficial effects that:
the utility model discloses a hydraulic tool for fishing underground linear junk, which comprises a body, a female joint, a male joint, a ball seat, a steel ball, a mandrel, a driving ring, a telescopic arm and the like, wherein the hydraulic tool is mainly made of metal materials, the top of the hydraulic tool is the female joint, and the bottom of the hydraulic tool is the male joint; the ball seat is a support with a hole in the center and is arranged in the hydraulic tool, and drilling fluid can flow through the center of the ball seat; the steel ball is a circular ball, when the telescopic arm needs to extend out, the steel ball is thrown in from the drill rod and can slide down to the ball seat to block the center hole of the ball seat, high pressure is formed in the hydraulic tool, and the high pressure pushes the driving ring to move upwards to push out the telescopic arm; the mandrel is a pipe body in the tool, is suspended in the hydraulic tool and provides a passage for the flowing of drilling fluid; the driving ring is of an annular structure and is sleeved on the mandrel; the telescopic arm is mainly a telescopic support, after the steel ball is thrown in, high pressure is generated in the tool, the driving ring is pushed by the high pressure to move upwards to push out the telescopic arm, and the telescopic arm is used for winding and grabbing underground linear falling objects. The hydraulic tool for fishing the underground linear falling object is a columnar pup joint, is similar to drilling tools such as an underground drill rod and a drill collar in structure, is specially designed and manufactured, is high in safety, and can improve the fishing success rate of the linear falling object. The device can be disassembled and assembled at any time like a drill rod, so that the use flexibility of the device is improved.
Drawings
FIG. 1 is a schematic cross-sectional structure of the present invention.
Wherein: the device comprises a body 1, a female joint 2, a male joint 3, a ball seat 4, a driving ring 5, a telescopic arm 6, a steel ball 7, an inner pipe wall 8, a liquid passing channel 9 and a driving cavity 10.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.
Examples
A hydraulic tool for salvaging underground linear falling objects comprises a body 1, a telescopic arm 6, a ball seat 4 and a steel ball 7;
the drilling tool comprises a body 1, a drilling rod, a lower end of the body 1 and a male joint 3, wherein the body 1 is cylindrical, a through liquid pipeline is arranged at the center of the body, the upper end of the body 1 is provided with the female joint 2 used for being connected with the upper drilling rod, and the lower end of the body 1 is provided with the male joint 3 used for being connected with the lower drilling rod;
a driving cavity 10 communicated with the liquid pipeline through a liquid passing channel 9 is formed in the body 1, and a driving ring 5 is arranged in the driving cavity 10;
a telescopic arm groove for accommodating a telescopic arm 6 is formed on the outer wall of the body 1, the telescopic arm 6 is hinged in the telescopic arm groove, and the bottom surface of the telescopic arm is lapped on the driving ring 5;
a ball seat 4 is arranged on the inner wall of the body 1 below the liquid passing channel 9, and a steel ball 7 is arranged in the ball seat 4.
In this embodiment, the liquid passing channel 9 is located at the bottom of the driving chamber 10.
In this embodiment, the flexible arm is followed body outer wall encircles the interval and evenly sets up, the quantity of flexible arm is 3.
In this embodiment, the telescopic arm is wedge-shaped.
In this embodiment, the outer tube wall of the body is provided with threads.
In this embodiment, the body has a length of 3 meters, an outer diameter of 6 inches, and an inner diameter of 2 inches.
In the above embodiment, the hydraulic tool for fishing the linear fallen object in the well is operated according to the following descriptions: the tool mainly aims at linear falling objects in the well, generally steel wire ropes, cables and the like, and can be wound in a coil shape in the well, when fishing is carried out, firstly, the lower end of the upper end of the tool is respectively connected with a drill rod according to the conditions and the positions of the falling objects in the well, then the drill rod is conveyed to a required position in the well shaft, when the tool passes through the falling objects, a telescopic arm needs to be extended out, a steel ball is put into the drill rod and can slide down to a ball seat to block a central hole of the ball seat, high pressure is formed in a hydraulic tool (a liquid pipeline and a driving cavity communicated with the hydraulic pipeline through a liquid passage), and the driving ring is pushed to move upwards by the high pressure to push the telescopic arm out; the telescopic arm is made of iron or steel materials and is a telescopic support, the shape of the telescopic arm is similar to that of an upward inclined tree, after the telescopic arm is extended, torque is applied to a wellhead to enable a tool to rotate for a plurality of circles so as to wind and grasp a linear falling object, and then the drill rod is lifted up to fish the linear falling object out.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The utility model has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the utility model fall within the scope of the utility model.
Claims (8)
1. A hydraulic tool for fishing a linear falling object in a well is characterized in that: comprises a body, a telescopic arm, a ball seat and a steel ball;
the body is cylindrical, a through liquid pipeline is arranged at the center of the body, a female joint used for being connected with an upper drill rod is formed at the upper end of the body, and a male joint used for being connected with a lower drill rod is formed at the lower end of the body;
a driving cavity communicated with the liquid pipeline through a liquid passing channel is formed in the body, and a driving ring is arranged in the driving cavity;
a telescopic arm groove for accommodating a telescopic arm is formed in the outer wall of the body, the telescopic arm is hinged in the telescopic arm groove, and the bottom surface of the telescopic arm is lapped on the driving ring;
a ball seat is arranged at the position, below the liquid passing channel, of the inner wall of the body, and a steel ball is arranged in the ball seat.
2. A hydraulic tool for fishing a linear fall downhole as claimed in claim 1, wherein: the liquid passing channel is positioned at the bottom of the driving cavity.
3. A hydraulic tool for fishing a linear fall downhole as claimed in claim 1, wherein: the telescopic arms are evenly arranged along the outer wall of the body at intervals, and the number of the telescopic arms is 3-4.
4. A hydraulic tool for fishing a linear fall downhole as claimed in claim 1, wherein: the telescopic arm is wedge-shaped.
5. A hydraulic tool for fishing a linear fall downhole as claimed in claim 1, wherein: the outer pipe wall of the body is provided with threads.
6. A hydraulic tool for fishing a linear fall downhole as claimed in claim 1, wherein: the length of the body is 3-4 meters.
7. A hydraulic tool for fishing a linear fall downhole as claimed in claim 1, wherein: the body has an outer diameter of 6-8 inches.
8. A hydraulic tool for fishing a linear fall downhole as claimed in claim 1, wherein: the body has an inner diameter of 2-3 inches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121886035.1U CN215907799U (en) | 2021-08-12 | 2021-08-12 | Hydraulic tool for salvaging underground linear junk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121886035.1U CN215907799U (en) | 2021-08-12 | 2021-08-12 | Hydraulic tool for salvaging underground linear junk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215907799U true CN215907799U (en) | 2022-02-25 |
Family
ID=80291287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121886035.1U Active CN215907799U (en) | 2021-08-12 | 2021-08-12 | Hydraulic tool for salvaging underground linear junk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215907799U (en) |
-
2021
- 2021-08-12 CN CN202121886035.1U patent/CN215907799U/en active Active
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