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Rapid oil tube connecting device

A quick connection and tubing technology, applied in the direction of drill pipe, casing, drilling equipment, etc., can solve the problems of laborious, time-consuming, cumbersome make-up and breakout, etc., and achieve the effect of labor-saving test operation and simplified operation process

Active Publication Date: 2018-10-26
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the connection between the oil pipes is connected with the conventional oil pipe buckle, which is cumbersome, laborious and time-consuming

Method used

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Embodiment Construction

[0030] In order to have a clearer understanding of the technical solutions, objectives and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings.

[0031] Such as figure 1 with figure 2 As shown, the present invention provides a quick connection device for oil pipe, which includes an upper joint pipe 1, a lower joint pipe 2 and a lock column 3, wherein the upper part of the inner peripheral surface of the upper joint pipe 1 can be connected with the upper pipe string of the oil pipe The lower part of the outer peripheral surface of the upper joint pipe 1 is provided with a plurality of upper clamping bosses 11 arranged at intervals along the circumferential direction; The upper part is provided with a plurality of lower clamping bosses 21 arranged at intervals along the circumferential direction. The gap between two adjacent lower clamping bosses 21 forms a channel 22 f...

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Abstract

The invention provides a rapid oil tube connecting device which comprises an upper joint tube, a lower joint tube and a lock column. An upper clamping boss is arranged on the upper joint tube, a lowerclamping boss is arranged at the lower joint tube, the lower portion of the upper joint tube can be rotationally inserted into the upper portion of the lower joint tube, the upper joint tube rotatesrelative to the lower joint tube, and the upper clamping boss and the lower clamping boss are clamped; a lock column is provided with a sliding pin, a containing groove is formed in the lower joint tube, a sliding way is arranged inside the containing groove, the sliding way is provided with a first limiting portion and a second limiting portion which are communicated, the lock column can movablypenetrate through the containing groove, the end of the sliding pin is inserted into the sliding way and can slide along the sliding way, the upper joint tube is provided with a clamping groove, the other end of the lock column can be inserted into the clamping groove, when the other end of the lock column is inserted into the clamping groove, the sliding pin is inserted into the first limiting portion, and when the other end of the lock column moves out of the clamping groove, the sliding pin is inserted into the second limiting portion. The existing oil tube sealing connection operation prices is simplified, and the purpose that testing operation saves labor and time is achieved.

Description

technical field [0001] The invention relates to the technical field of petroleum engineering, in particular to a quick connection device for oil pipes. Background technique [0002] During the use of oilfield simulation test wells, the operation of pipe strings is often involved. During the operation, the sealing connection between oil pipes is the main operation step that consumes manpower. At present, the connection between the oil pipes is connected with the conventional oil pipe buckle, which is cumbersome, laborious and time-consuming. Contents of the invention [0003] The object of the present invention is to provide a quick connection device for oil pipes which can simplify the sealing connection operation process of oil pipes and save time and effort. [0004] To achieve the above object, the present invention provides a quick connection device for oil pipes, which includes: [0005] The upper joint pipe, the lower part of the outer peripheral surface of the upp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B17/02
CPCE21B17/02
Inventor 曹建朱富林蔡德春田播源李彪蒲宝月刘卫红陈平王淑庞晓坤刘颖陈健姜峰刘莲玉郑亮王斌王昊周坤常鹏梅杨俊曲玉辰郭津瑞
Owner PETROCHINA CO LTD
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