Flexible continuous sucker rod made of synthetic fiber

A synthetic fiber and sucker rod technology, which is applied in the direction of drill pipe, drilling equipment, earthwork drilling and production, etc., can solve the problems of flexible continuous sucker rod fracture or corrosion failure, long construction preparation time, difficult protection, etc. Easy to swing and tilt, increase the effect of extension in all directions, and avoid the effect of inner cavity mismatch

Active Publication Date: 2016-03-30
青岛新胜石油机械有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a synthetic fiber flexible continuous sucker rod to solve the problems of fracture or corrosion failure, difficult protection, large stroke loss, long construction preparation time and high price in the flexible continuous sucker rod of the prior art. question

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  • Flexible continuous sucker rod made of synthetic fiber
  • Flexible continuous sucker rod made of synthetic fiber
  • Flexible continuous sucker rod made of synthetic fiber

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Embodiment Construction

[0028] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, 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.

[0029] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides a flexible continuous sucker rod made of synthetic fiber and relates to the technical field of oil exploitation. The flexible continuous sucker rod made of the synthetic fiber comprises a sucker rod body and a connector in sequence from top to bottom. The sucker rod body is connected with an underground oil pumping device through the connector. The sucker rod body is made of the synthetic fiber. The flexible continuous sucker rod is made of the synthetic fiber, and multiple strength and chemical performance tests verify that equipment loads are reduced greatly, and strength, toughness and various chemical properties of the sucker rod body are improved; moreover, the working procedure of manufacturing the sucker rod is simplified, time is saved, and efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of oil exploitation, in particular to a synthetic fiber flexible continuous sucker rod. Background technique [0002] The sucker rod is a slender rod of the pumping well, it is connected to the polished rod on the top, and the pump is connected to the bottom to transmit power. [0003] A variety of flexible continuous sucker rods have been developed to solve the shortcomings of rigid sucker rods, such as rigid structure defects, many joints, low oil pumping efficiency, high labor intensity, easy wax deposition, and inability to eliminate the piston effect. The more common ones are wire rope sucker rods and carbon fiber continuous sucker rods. [0004] Among them, the steel wire rope sucker rod is a kind of metal rope core with a single-strand core, the outer layer is covered with a layer of special-shaped steel wire, and the two ends are connected with the sucker rod by connecting joints. The surface can be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B17/00E21B17/02
CPCE21B17/042E21B17/20
Inventor 黄志钢黄秀玲丁新建
Owner 青岛新胜石油机械有限公司
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