CN213331060U - Multifunctional fishing bridle with weak points - Google Patents
Multifunctional fishing bridle with weak points Download PDFInfo
- Publication number
- CN213331060U CN213331060U CN202022118704.2U CN202022118704U CN213331060U CN 213331060 U CN213331060 U CN 213331060U CN 202022118704 U CN202022118704 U CN 202022118704U CN 213331060 U CN213331060 U CN 213331060U
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- core rod
- well core
- shell
- fishing
- fixed connection
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Abstract
The utility model relates to a multifunctional fishing headstall with weak points, which comprises a main joint, a hollow tubular accommodating cavity and a central rod; the cavity fixed connection is held to the owner joint one end, the other end pass through the pulling force stick with well core rod one end fixed connection, well core rod other end fixed connection quick-operation joint, just this end circumference integrated into one piece of well core rod is equipped with first recess, the cover is equipped with the shell on well core rod, shell one end with owner connects fixed connection, the shell other end with well core rod between the first recess goes up the cover and is equipped with fixed cover, fixed cover circumference integrated into one piece is equipped with the second recess, it is equipped with the slips to hold the intracavity fixation. The utility model discloses can guarantee that the cable plays out smoothly in following the drilling tool waterline, can carry out the secondary again and salvage, be favorable to further handling accident.
Description
Technical Field
The utility model belongs to the technical field of the oil field well logging, especially, relate to take multi-functional fishing bridle of weak point.
Background
As the downhole conditions become more complex, the chance of the drilling tool getting stuck increases. When the drilling rod is over-drilled for storage type well logging operation, if complex conditions such as drilling tool jamming exist, at the moment, instruments are contained in a water hole of the drilling tool, and the difficulty in handling accidents is increased. The previous fishing tool can not be separated again after fishing the instrument string, and if a method of pulling the cable out of the tool by force is adopted, the cable can be broken, the underground accident is complicated, the underground safety is seriously influenced, and the operation cost is increased.
Therefore, based on the problems, the multifunctional fishing headstall with the weak points can ensure that the cable can be smoothly pulled out of the water hole of the drilling tool, can perform secondary fishing, is beneficial to further handling accidents, and has important practical significance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide one kind and can guarantee that the cable plays out smoothly in following the drilling tool waterline, can carry out the secondary again and salvage, is favorable to the multi-functional bridle of salvaging of taking the weak point of further processing accident.
The utility model provides a its technical problem take following technical scheme to realize:
the multifunctional fishing headstall with the weak point comprises a main joint, a hollow tubular accommodating cavity and a central rod; the cavity fixed connection is held to the owner joint one end, the other end pass through the pulling force stick with well core rod one end fixed connection, well core rod other end fixed connection quick-operation joint, just this end circumference integrated into one piece of well core rod is equipped with first recess, the cover is equipped with the shell on well core rod, shell one end with owner connects fixed connection, the shell other end with well core rod between the first recess goes up the cover and is equipped with fixed cover, fixed cover circumference integrated into one piece is equipped with the second recess, it is equipped with the slips to hold the intracavity fixation.
Furthermore, both ends of the tension rod are respectively in threaded connection with the main joint and the central rod, and an anti-rotation sleeve is arranged on the outer side of the tension rod.
Furthermore, the slips are of an annular structure, a plurality of mutually separated clamping jaws are formed in the axial direction of one end of each slip, and the top ends of the clamping jaws are of wedge-shaped structures, so that a salvaged instrument string cannot be separated from the slips.
Furthermore, power boosters can be arranged in the first groove and the second groove.
Further, the quick connector can be connected to a fishing cable head.
Furthermore, one end of the main joint is connected with the accommodating cavity through threads and is secondarily fixed through a fixing screw; the other end of the main joint is connected with the shell through threads and is secondarily fixed through a fixing screw.
The utility model has the advantages that:
the multifunctional fishing headstall with weak points of the utility model realizes the releasable function in the fishing process, can avoid the condition of complicated engineering caused by forcibly breaking the cable due to complicated well conditions, ensures that the cable can be smoothly taken out from the water hole of the drilling tool, can carry out secondary fishing, and is favorable for further handling accidents; the tool has great application and popularization values in the aspect of oil field logging.
Drawings
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a sectional view of the multifunctional fishing bridle with weak points provided in the embodiment of the present invention;
FIG. 2 is a sectional view of the structure of the center rod of the multifunctional fishing bridle with weak points provided in the embodiment of the present invention;
FIG. 3 is a sectional view of the multifunctional fishing bridle with weak points, which is provided in the embodiment of the present invention, with the holding cavity and the slips;
Detailed Description
First, it should be noted that the specific structures, features, advantages, etc. of the present invention will be described in detail below by way of example, but all the descriptions are only for illustrative purpose and should not be construed as forming any limitation to the present invention. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity, the same or similar features may be indicated in only one place in the same drawing.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The present invention will be described in detail with reference to fig. 1 to 3.
The multifunctional fishing headstall with weak points provided by the embodiment comprises a main joint 1, a hollow tubular accommodating cavity 2 and a central rod 4; the improved structure of the hydraulic jack is characterized in that one end of the main joint 1 is fixedly connected with the accommodating cavity 2, the other end of the main joint is fixedly connected with one end of the central rod 4 through the tension rod 5, the other end of the central rod 4 is fixedly connected with the quick joint 10, the first groove 901 is formed in the central rod 4 in the circumferential direction in an integrated mode, the shell 3 is sleeved on the central rod 4, one end of the shell 3 is fixedly connected with the main joint 1, the fixed sleeve 8 is sleeved on the central rod 4 between the other end of the shell 3 and the first groove 901, the second groove 902 is formed in the fixed sleeve 8 in the circumferential direction in an integrated mode, and the slip 7.
Specifically, the two ends of the tension rod 5 are respectively in threaded connection with the main joint 1 and the central rod 4, the tension rod 5 can select tension rods of different models according to well conditions and cables used, in order to prevent the tension rod 5 from tripping with the main joint 1 and the central rod 4, an anti-rotation sleeve 6 is installed on the outer side of the tension rod 5, and it needs to be explained that the tension rod 5 and the anti-rotation sleeve 6 can adopt existing products.
The slip 7 is of an annular structure, a plurality of mutually separated clamping jaws 701 are formed in one end of the slip 7 in the axial direction, the top ends of the clamping jaws are of wedge-shaped structures, and after the salvaged instrument string enters the slip through the clamping jaw ends, the slip 7 cannot be disengaged due to the wedge-shaped structures of the clamping jaws.
Power boosters can be arranged in the first groove 901 and the second groove 902, so that the power boosters can be pushed by mud when the horizontal section is salvaged, and then a fishing halter fishing instrument is driven.
Specifically, in this embodiment, one end of the main joint 1 is connected to the accommodating cavity 2 through a thread, and is secondarily fixed through a fixing screw 12; the other end of the main joint 1 is connected with the shell 3 through threads and is secondarily fixed through a fixing screw 13.
For example, in the embodiment, one end of the central rod 4 is provided with a quick connector 10, when the instrument is not fished, a protective cap 11 is mounted on the quick connector 10, and the quick connector 10 is protected by the protective cap 11; when the instrument is salvaged, the quick connector 10 is connected to a fishing cable head, and the fishing bridle is conveyed to a fishing position through a cable; if the well condition is complicated, when the instrument can not be fished out smoothly by the cable, a certain tension can be applied to pull off the tension rod 5, the cable can bring the central rod 4 out of the water hole, the accommodating cavity, the slips and the shell are still remained at the top of the instrument, a continuous oil pipe fishing mode is adopted on the next step, the instrument is continuously fished, and the fishing position at the moment is changed into a shell 3 part.
The multifunctional fishing headstall with the weakness solves the problem that the traditional fishing tool cannot be separated again after fishing the instrument string, and further cannot be used for secondary fishing.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. Take multi-functional fishing bridle of weakness, its characterized in that: comprises a main joint, a hollow tubular accommodating cavity and a central rod; the cavity fixed connection is held to the owner joint one end, the other end pass through the pulling force stick with well core rod one end fixed connection, well core rod other end fixed connection quick-operation joint, just this end circumference integrated into one piece of well core rod is equipped with first recess, the cover is equipped with the shell on well core rod, shell one end with owner connects fixed connection, the shell other end with well core rod between the first recess goes up the cover and is equipped with fixed cover, fixed cover circumference integrated into one piece is equipped with the second recess, it is equipped with the slips to hold the intracavity fixation.
2. The multifunctional fishing horse head with the weak point according to claim 1, is characterized in that: two ends of the tension rod are respectively in threaded connection with the main joint and the central rod, and an anti-rotation sleeve is installed on the outer side of the tension rod.
3. The multifunctional fishing horse head with the weak point according to claim 1, is characterized in that: the slips are of circular ring structures, a plurality of mutually separated clamping jaws are formed in the axial direction of one end of each slip, the top ends of the clamping jaws are of wedge-shaped structures, and therefore the salvaged instrument string cannot be separated from the slips.
4. The multifunctional fishing horse head with the weak point according to claim 1, is characterized in that: and power boosters can be arranged in the first groove and the second groove.
5. The multifunctional fishing horse head with the weak point according to claim 1, is characterized in that: the quick connector is connectable to a fishing cable head.
6. The multifunctional fishing horse head with the weak point according to claim 1, is characterized in that: one end of the main joint is connected with the accommodating cavity through threads and is secondarily fixed through a fixing screw; the other end of the main joint is connected with the shell through threads and is secondarily fixed through a fixing screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022118704.2U CN213331060U (en) | 2020-09-24 | 2020-09-24 | Multifunctional fishing bridle with weak points |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022118704.2U CN213331060U (en) | 2020-09-24 | 2020-09-24 | Multifunctional fishing bridle with weak points |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213331060U true CN213331060U (en) | 2021-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022118704.2U Active CN213331060U (en) | 2020-09-24 | 2020-09-24 | Multifunctional fishing bridle with weak points |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213331060U (en) |
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2020
- 2020-09-24 CN CN202022118704.2U patent/CN213331060U/en active Active
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