Connecting and fastening type petroleum drill rod

A technology for connecting and tightening oil drill pipes. It is used in drill pipes, drill pipes, drilling equipment and other directions. It can solve the problems of loose connection and thread damage, and achieve the effect of stable connection, low looseness and low possibility.

Pending Publication Date: 2018-10-16
JIANGSU TUOCHUANG SCI INSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The connection of existing oil drill pipes is prone to loosening, and the main reason for the loosening is that the thread is squeezed and damaged

Method used

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  • Connecting and fastening type petroleum drill rod
  • Connecting and fastening type petroleum drill rod

Examples

Experimental program
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Embodiment Construction

[0008] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0009] figure 1 , 2 Middle: rod body 1, first threaded post 2, second threaded post 3, first threaded hole 4, second threaded hole 5.

[0010] A connection and fastening type oil drill pipe, comprising a rod body 1, one end of the rod body 1 is provided with a first threaded post 2 and a second threaded post 3, and the first threaded post 2 and the second threaded post 3 are connected to form a Overall, the first threaded column 2 is coaxial with the second threaded column 3, the first threaded column 2, the second threaded column 3, and the rod body 1 are connected together to form a stepped shaft structure, and the other part of the rod body 1 One end is provided with a first threaded hole 4 and a second threaded hole 5, the first threaded hole 4 and the second threaded hole 5 form a stepped hole structure, the first threaded hole 4 and the...

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PUM

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Abstract

The invention relates to a connecting and fastening type petroleum drill rod. The petroleum drill rod comprises a rod body, wherein a first threaded column and a second threaded column are arranged atone end of the rod body, and the first threaded column and the second threaded column are connected into a whole; the first threaded column is coaxial with the second threaded column; and the first threaded column, the second threaded column and the rod body are connected into a whole to form a stepped shaft structure. According to the design, the connecting and fastening type petroleum drill rodhas the beneficial effects that the connection is very stable and the possibility of loosening is very low.

Description

technical field [0001] The invention relates to an oil drill pipe, in particular to a connection and fastening type oil drill pipe. Background technique [0002] The connection of the existing oil drill pipes is prone to loosening, and the main reason for the loosening is that the screw thread is squeezed and damaged. Therefore, it is necessary to provide a technical solution to solve such technical problems. Contents of the invention [0003] The invention provides a connection and fastening type oil drilling pipe. The purpose of the design and development of the device is the screwed connection of multiple sets of threads, so that the connection becomes very stable and the possibility of loosening is very low. [0004] The present invention adopts the following technical scheme: a connection and fastening type oil drill pipe, including a rod body 1, one end of the rod body 1 is provided with a first threaded post 2, a second threaded post 3, the first threaded post 2, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B17/042
CPCE21B17/0423
Inventor 邰刘龙费小莉王刚涛
Owner JIANGSU TUOCHUANG SCI INSTR CO LTD
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