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Spring type spoiler of long-stroke fracturing pump

A fracturing pump, spring-type technology, applied in the field of spoilers, can solve problems such as long residence time, achieve the effect of simple structure and reduce solid phase particle deposition

Inactive Publication Date: 2015-07-29
SOUTHWEST PETROLEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, the fracturing fluid stays in the long-stroke pump cylinder for a long time and flows smoothly, and the solid particles in it are easy to settle and accumulate at the inlet of the pump cylinder.

Method used

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  • Spring type spoiler of long-stroke fracturing pump

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Embodiment Construction

[0010] The present invention is not limited by the following implementation examples, and specific implementation manners can be determined according to the technical solutions of the present invention and actual conditions. Combine below figure 1 The present invention is described below. The positional relationship of up, down, left, right, etc. is based on the attached figure 1 determined by the layout direction.

[0011] Such as figure 1 As shown, the valve box 1 and the pump cylinder 4 are connected by threads, the plunger 5 is arranged in the pump cylinder 4 , and the plunger 5 slides in the pump cylinder 4 . The spring 3 is a cylindrical helical spring with a rectangular section. The width of the rectangular section of the spring 3 along the radial direction of the spring 3 is 6 times the width along the axial direction of the spring 3. The lower end of the spring 3 at the installation position is close to the outer cylindrical surface of the spring 3. The part is pr...

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Abstract

The invention relates to a spring type spoiler of a long-stroke fracturing pump. The spring type spoiler can be used for playing a role in spoiling fracturing fluid and lowering the deposition of solid-phase particles in the fracturing fluid. The technical scheme is as follows: a spring is a cylindrical helical spring with rectangular cross section, the width of the rectangular cross section of the spring along the radial direction of the spring is 4-10 times that of the rectangular cross section of the spring along the axial direction of the spring, and elliptical gaps are formed in the lower ends, close to the external cylindrical surface of the spring, at a mounted position of the spring; the spring is arranged in a pump cylinder, one end of the spring is connected to a valve box by a bolt, and the other end of the spring is connected to the end part of a plunger by a bolt.

Description

technical field [0001] The invention relates to a spoiler for a long-stroke fracturing pump. Background technique [0002] In well completion operations, multi-stage fracturing of horizontal wells has become the main construction mode at present and in the future. In 2013, the total number of fracturing operations in China was about 40,000 well layers, and the construction operations in large and ultra-deep layers increased at a rate of 15% every year. A large number of oil and gas regions in my country are concentrated in hills and mountainous areas, and the construction roads, well site area and water supply are relatively limited. Vehicle-mounted fracturing equipment has become a necessary condition, and high-power equipment has become a preferred condition. Patent CN201310700277.0 discloses a high-power hydraulically driven fracturing pump system, which effectively reduces the number of fracturing crews, facilitates the arrangement of the crews at the well site and saves...

Claims

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Application Information

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IPC IPC(8): F04B53/00E21B43/26
Inventor 梁政何虹钢张澜董强兵叶哲伟
Owner SOUTHWEST PETROLEUM UNIV
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