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Flexible bend-resisting sucker rod and manufacturing method for sucker rod

A sucker rod and curved winding technology, which is applied in the direction of drill pipe, earthwork drilling, drilling equipment, etc., can solve problems such as easy cracking of the surface, limited number of coils or curved windings, surface fracture of the sucker rod, etc.

Inactive Publication Date: 2017-04-26
青岛新胜石油机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the number of times of coiling or bending of the traditional flexible sucker rod is limited. After multiple coiling or bending, the surface of the sucker rod is likely to break, which in turn leads to the failure of the sucker rod.
Therefore, its surface is easily cracked, which greatly affects the applicability of the sucker rod in use.

Method used

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  • Flexible bend-resisting sucker rod and manufacturing method for sucker rod
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  • Flexible bend-resisting sucker rod and manufacturing method for sucker rod

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Embodiment Construction

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0027] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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Abstract

The embodiment of the invention provides a flexible bend-resisting sucker rod and a manufacturing method for the sucker rod and belongs to the technical field of oil exploitation equipment. The flexible bend-resisting sucker rod comprises an elastic macromolecular protective jacket and a steel wire rope, wherein the macromolecular protective jacket is made from an elastic and anti-corrosion material; the steel wire rope is formed by winding multiple strands of steel wires; the elastic macromolecular protective jacket is embedded into and sleeved on the steel wire rope in the manner of injection molding. The steel wire rope is formed by winding multiple strands of steel wires and the elastic macromolecular protective jacket is embedded into and sleeved on the steel wire rope in the manner of injection molding, so that the service life of the flexible bend-resisting sucker rod is greatly prolonged and the applicability in practical use is greatly promoted.

Description

technical field [0001] The invention relates to the technical field of oil exploitation equipment, in particular to a flexible and anti-bending sucker rod and a method for manufacturing the sucker rod. Background technique [0002] With the development and improvement of science and technology, sucker rods have been widely used in oil extraction equipment. [0003] In the prior art, most of the traditional sucker rods are not flexible, and cannot be bent or excessively bent, otherwise the sucker rod will be broken. The sucker rod is not flexible, which greatly affects the applicability of the sucker rod in transportation, installation and use. In addition, the traditional part of the sucker rod is also flexible, because of its flexible characteristics, it can be bent or coiled. However, the number of times of coiling or bending of the traditional flexible sucker rod is limited, and after multiple coiling or bending, the surface of the sucker rod is likely to break, which i...

Claims

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Application Information

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IPC IPC(8): E21B17/00
CPCE21B17/00
Inventor 丁新建王凤山杨野黄志钢孙延安张德实付尧康建宏钟永海王秀彬张学斌任成峰张凯波李季曹洪亮赵君峰李森李振国杨堪阳林燕
Owner 青岛新胜石油机械有限公司
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