CN212583640U - Safety joint for petroleum well internal pipe column - Google Patents

Safety joint for petroleum well internal pipe column Download PDF

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Publication number
CN212583640U
CN212583640U CN202021153736.XU CN202021153736U CN212583640U CN 212583640 U CN212583640 U CN 212583640U CN 202021153736 U CN202021153736 U CN 202021153736U CN 212583640 U CN212583640 U CN 212583640U
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CN
China
Prior art keywords
fixedly connected
safety joint
connector
petroleum well
rod
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Active
Application number
CN202021153736.XU
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Chinese (zh)
Inventor
姜增国
车希国
刘永明
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Shandong Yukos Petroleum Equipment Co ltd
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Shandong Yukos Petroleum Equipment Co ltd
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Priority to CN202021153736.XU priority Critical patent/CN212583640U/en
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Publication of CN212583640U publication Critical patent/CN212583640U/en
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Abstract

The utility model relates to a safety joint for tubular column in petroleum well, which comprises a connecting body, the upper surface set screw hole of connector, one side fixedly connected with telescopic link of connector, the one end fixedly connected with atress board of telescopic link, one side fixedly connected with impact bar of atress board, the lower fixed surface of connector is connected with the connecting rod, the one end fixedly connected with slider of connecting rod, the slider is located the inside of spout. The utility model discloses, through the setting of bearer bar and rubber pad, the inner structure receives the damage of foreign object easily during the work safety joint uses, and the bearer bar can protect the inner structure of safety joint, makes the inner structure of safety joint not receive the damage that the foreign object caused, has prolonged safety joint's life, and when safety joint was connected to the tubular column, the rubber pad can make tubular column and safety joint link up inseparabler more firm, and the screw hole of avoiding produces not hard up problem.

Description

Safety joint for petroleum well internal pipe column
Technical Field
The utility model relates to an oil development equipment field especially relates to a safety joint for tubular column in oil well.
Background
The oil formation mechanism of petroleum has two theories of biological deposition and oil change and petrochemical oil, the former is widely accepted, the petroleum is formed by the long evolution of organisms in the ancient oceans or lakes, belongs to the biological deposition and oil change and is not renewable, the latter considers that the petroleum is generated by carbon in the crust, is irrelevant to the organisms and is renewable, the petroleum is mainly used as fuel oil and gasoline and is also a raw material of a plurality of chemical industry products, such as solution, fertilizer, insecticide, plastics and the like, the safety joint is a joint which is connected to the lowest part of a drill rod during drilling special stratum or special operation in geological drilling and used for protecting an upper drill rod and is connected by a coarse-thread square thread, the safety joint is the link which is most easily disassembled in the whole drill rod, and when drilling and burying accidents occur, the thread can be disassembled from the safety joint and all the drill rods are lifted out of the ground so as to further process the accidents, when the drilling tool in the hole is fished, the drilling tool is connected to the fishing tool, the drilling tool can be conveniently detached from the safety joint and taken out of the drilling rod after the fishing tool is stuck, when a formation tester is lowered into an oil well for a middle test, the upper part of the formation tester is also connected with the safety joint, and when the formation tester is seriously stuck, the drilling tool is conveniently detached from the safety joint and taken out of all the drilling rods.
At present, most of used safety connectors are troublesome to separate, complex operation is carried out in the separation process, the working efficiency is influenced, and workers often feel worried in the separation process of the safety connectors.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a safety joint for tubular column in petroleum well solves the loaded down with trivial details problem of current safety joint separation.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a safety joint for tubular column in petroleum well, includes the connector, the upper surface of connector sets up threaded hole, one side fixedly connected with telescopic link of connector, the one end fixedly connected with atress board of telescopic link, one side fixedly connected with striker rod of atress board, the lower fixed surface of connector is connected with the connecting rod, the one end fixedly connected with slider of connecting rod, the slider is located the inside of spout.
In the above scheme, the sliding groove is located on the upper surface of the connecting column, and one side of the connecting body is fixedly connected with the protection frame.
In the scheme, one side of the protection frame is fixedly connected with a spring, and one end of the spring is fixedly connected with a baffle.
In the above scheme, one side of the baffle is fixedly connected with the impact rod, and one end of the impact rod is fixedly connected with the impact plate.
In the scheme, the lower surface of the connecting column is fixedly connected with the connecting part, and the upper surface of the connecting body is fixedly connected with the rubber pad.
In the above scheme, the number of the telescopic rods is two, the two telescopic rods are symmetrically arranged by taking the connecting body as a center, and the sliding block and the sliding groove are in sliding connection.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses, through the screw hole, the telescopic link, the atress board, the connecting rod, the slider, the setting of spout and striking rod, when needs installation safety joint, connect the inside in the screw hole to the tubular column and fix, when safety joint needs separation, the staff can drive the inner wall in safety joint messenger baffle striking well through removing the tubular column, through spring extrusion impact rod, drive the striking board striking atress board by impact rod, the striking rod collision spliced pole of atress board one side, slider and spout are sliding connection, under the effect of collision force, spout and slider separation spliced pole drop, and is convenient and fast, the operating time of staff has been practiced thrift to easy operation, and the work efficiency is improved.
2. The utility model discloses, through the setting of bearer bar and rubber pad, the inner structure receives the damage of foreign object easily during the work safety joint uses, and the bearer bar can protect the inner structure of safety joint, makes the inner structure of safety joint not receive the damage that the foreign object caused, has prolonged safety joint's life, and when safety joint was connected to the tubular column, the rubber pad can make tubular column and safety joint link up inseparabler more firm, and the screw hole of avoiding produces not hard up problem.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the connector of the present invention;
fig. 3 is a schematic side view of the connecting column of the present invention.
In the figure: 1. a linker; 2. a threaded hole; 3. a telescopic rod; 4. a stress plate; 5. a striker bar; 6. a connecting rod; 7. a slider; 8. a chute; 9. connecting columns; 10. a protective frame; 11. a spring; 12. a baffle plate; 13. an impact bar; 14. an impact plate; 15. a rubber pad; 16. a connecting portion.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.
As shown in fig. 1-3, the utility model discloses a safety joint for tubular column in petroleum well, including connector 1, threaded hole 2 is seted up to the upper surface of connector 1, one side fixedly connected with telescopic link 3 of connector 1, the one end fixedly connected with atress board 4 of telescopic link 3, one side fixedly connected with impact bar 5 of atress board 4, the lower fixed surface of connector 1 is connected with connecting rod 6, the one end fixedly connected with slider 7 of connecting rod 6, slider 7 is located the inside of spout 8.
In an embodiment, the sliding groove 8 is located on the upper surface of the connecting column 9, a protection frame 10 is fixedly connected to one side of the connecting body 1, the sliding groove 8 is formed in the upper surface of the connecting column 9, so that the sliding block can be conveniently connected, and the protection frame 10 plays a role in protecting the internal structure of the safety joint.
In one embodiment, a spring 11 is fixedly connected to one side of the protection frame 10, a baffle 12 is fixedly connected to one end of the spring 11, the spring 11 can enable the impact rod 13 and the impact plate 14 to return to the original position after the impact is finished, and the baffle 12 is connected with the spring 11 and the impact rod 13 to enable the spring 11 to act on the impact rod 13.
In one embodiment, an impact rod 13 is fixedly connected to one side of the baffle 12, and an impact plate 14 is fixedly connected to one end of the impact rod 13, and the impact rod 13 is used for driving the impact plate 14 to impact the force-bearing plate 4.
In one embodiment, the upper surface of the connecting body 1 is fixedly connected with a rubber pad 15, the lower surface of the connecting column 9 is fixedly connected with a connecting portion 16, the rubber pad 15 can enable the connection between the pipe column and the threaded hole 2 to be firmer, and the connecting portion 16 can be connected with other devices which need to be connected below the safety joint.
In an embodiment, the number of the telescopic rods 3 is two, the two telescopic rods 3 are symmetrically arranged by taking the connector 1 as a center, and the sliding block 7 and the sliding groove 8 are in sliding connection, so that the connecting column 9 can fall off conveniently after being stressed.
When the device is used, through the arrangement of the threaded hole 2, the telescopic rod 3, the stress plate 4, the spring 11, the slider 7, the chute 8, the impact rod 5, the baffle 12, the impact rod 13 and the impact plate 14, when the device is used, the baffle 12 is impacted by external force, the spring 11 is compressed, so that the impact rod 13 and the impact plate 14 are driven to apply force to the stress plate 4, the telescopic rod 3 is contracted due to the force generated by the impact, at the moment, the impact rod 5 impacts the connecting column 9, the connecting column 9 slides out and falls under the action of force due to the sliding connection of the slider 7 and the chute 8, the connecting column 9 falls in a simple operation process, the purpose of separating the tubular column from the safety joint is realized, the tubular column is pulled back to the ground by a worker to pull the telescopic rod 3 open the telescopic rod after the separation, the spring 11 can enable the impact rod 13 and the impact plate 14 to return to the original position, the spring 11 can act on the impact rod 13, the structure of the rear connecting column 9 sliding to one side and the other side after impact cannot influence the sliding of the connecting column 9, and therefore the purpose that the connecting column 9 can slide under the left stress or the right stress can be achieved.
The above-mentioned embodiments further explain in detail the objects, technical solutions and advantages of the present invention, and it should be understood that the above-mentioned embodiments are only the embodiments of the present invention, and are not intended to limit the scope of the present invention, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims (6)

1. A safety joint for a tubular string in a petroleum well, comprising a connecting body (1), characterized in that: threaded hole (2) are seted up to the upper surface of connector (1), one side fixedly connected with telescopic link (3) of connector (1), one end fixedly connected with atress board (4) of telescopic link (3), one side fixedly connected with striking pole (5) of atress board (4), the lower fixed surface of connector (1) is connected with connecting rod (6), the one end fixedly connected with slider (7) of connecting rod (6), slider (7) are located the inside of spout (8).
2. A safety joint for a tubing string in a petroleum well according to claim 1, wherein: the sliding groove (8) is located on the upper surface of the connecting column (9), and a protection frame (10) is fixedly connected to one side of the connecting body (1).
3. A safety joint for a tubing string in a petroleum well according to claim 2, wherein: one side fixedly connected with spring (11) of bearer bar (10), the one end fixedly connected with baffle (12) of spring (11).
4. A safety joint for a tubing string in a petroleum well according to claim 3, wherein: one side of the baffle (12) is fixedly connected with an impact rod (13), and one end of the impact rod (13) is fixedly connected with an impact plate (14).
5. A safety joint for a tubing string in a petroleum well according to claim 2, wherein: the lower surface of the connecting column (9) is fixedly connected with a connecting part (16), and the upper surface of the connecting body (1) is fixedly connected with a rubber pad (15).
6. A safety joint for a tubing string in a petroleum well according to claim 1, wherein: the number of the telescopic rods (3) is two, and the two telescopic rods (3) are symmetrically arranged by taking the connecting body (1) as a center.
CN202021153736.XU 2020-06-20 2020-06-20 Safety joint for petroleum well internal pipe column Active CN212583640U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021153736.XU CN212583640U (en) 2020-06-20 2020-06-20 Safety joint for petroleum well internal pipe column

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021153736.XU CN212583640U (en) 2020-06-20 2020-06-20 Safety joint for petroleum well internal pipe column

Publications (1)

Publication Number Publication Date
CN212583640U true CN212583640U (en) 2021-02-23

Family

ID=74651261

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021153736.XU Active CN212583640U (en) 2020-06-20 2020-06-20 Safety joint for petroleum well internal pipe column

Country Status (1)

Country Link
CN (1) CN212583640U (en)

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