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Continuous sucker rod clamping device

A technology of clamping device and sucker rod, which is applied in drill pipe, drilling equipment, earth-moving drilling, etc., can solve the problem of weak clamping method, and achieve the effect of simple structure and ingenious design.

Inactive Publication Date: 2021-05-28
辽宁大博纽石油技术开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the clamping method of the traditional sucker rod clamping device is not firm

Method used

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Embodiment Construction

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "another side", "front", "rear", "middle part", "inner", " The orientation or positional relationship indicated by "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indic...

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Abstract

The invention discloses a continuous sucker rod clamping device. The continuous sucker rod clamping device comprises a shell and a sucker rod, wherein a jack is arranged in the center of one side in the shell, a first outer clamping plate is connected to the output end of the jack, a second outer clamping plate is arranged on the side, away from the jack, in the shell, a first inner clamping plate and a second inner clamping plate are arranged on the opposite faces of the first outer clamping plate and the second outer clamping plate correspondingly, and the sucker rod is clamped between the first inner clamping plate and the second inner clamping plate. When the continuous sucker rod clamping device is used, the jack is started to push the first outer clamping plate forwards, at the moment, the sucker rod in the center is firmly clamped through the two inner clamping plates under the counter-acting force transmitted to the second outer clamping plate by the shell, and the continuous sucker rod clamping device is ingenious in design, simple in structure and more practical.

Description

technical field [0001] The invention relates to the field of sucker rods, in particular to a clamping device for continuous sucker rods. Background technique [0002] The sucker rod is a slender rod of the pumping well. It is connected to the polished rod at the top and the oil pump at the bottom to transmit power. The length of a single sucker rod is 7.62 or 8 meters, 9.14m, and the material is generally low-carbon alloy steel. After quenching and tempering treatment, the oil pipes are connected one by one with internal thread hoops and extend to the piston at the underground oil layer, and the oil is pumped by reciprocating motion. The current oil wells are generally about 2,000 meters long, and the deepest ones are more than 3,000 meters long. [0003] But the clamping method of the traditional sucker rod clamping device is not firm. [0004] Aiming at the problems in the related technologies, no effective solution has been proposed yet. Contents of the invention [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B17/10E21B17/00
CPCE21B17/00E21B17/1071
Inventor 张建功
Owner 辽宁大博纽石油技术开发有限公司