Slips mechanism for manufacturing sand prevention screen pipe and clamping method

A practical and slip technology, which is applied in the field of slip mechanisms and clamping for sand control screens, can solve problems such as ineffective clamping of objects, achieve good clamping effect, uniform radial force, and low installation requirements

Active Publication Date: 2013-07-03
ANTON OILFIELD SERVICES (GRP) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing slip mechanism has the following problems: since the two slips move at the same time, when one of the slips has contacted the object to be stuck, the other slip has not yet contacted the object to be stuck, resulting in ineffective locking. tight object

Method used

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  • Slips mechanism for manufacturing sand prevention screen pipe and clamping method
  • Slips mechanism for manufacturing sand prevention screen pipe and clamping method
  • Slips mechanism for manufacturing sand prevention screen pipe and clamping method

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Embodiment Construction

[0017] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0018] figure 1 It is a structural schematic diagram before clamping of the clamping mechanism for manufacturing sand control screens of the present invention;

[0019] figure 2 It is a structural schematic diagram during the clamping process of the clamping mechanism for manufacturing sand control screens of the present invention;

[0020] image 3 It is a schematic diagram of the clamped structure of the clamping mechanism for manufacturing sand control screens of the present invention. Such as Figure 1 to Figure 3 As shown, the slip mechanism for manufacturing sand control screens includes a slip frame 1, on which there are two parallel sliding bars 5, on which the first slip plate 9 and the second slip plate are sheathed. 2. The first slip plate 9 is connected with the first...

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PUM

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Abstract

The invention discloses a slips mechanism for manufacturing a sand prevention screen pipe and a clamping method. The slips mechanism comprises a slips rack, wherein two parallelly arranged slide bars are arranged on the slips rack; a first slips plate and a second slips plate are sleeved on the slide bars; a first slips piece is connected onto the first slips plate; a second slips piece is connected onto the second slips plate; the second slips plate is connected with two parallelly arranged connecting rods; the other ends of the two connecting rods penetrate through the first slips plate and the slips rack so as to be connected with an air cylinder fixing plate; the air cylinder fixing plate is connected with the cylinder body of an air cylinder; and a piston rod of the air cylinder penetrates through the slips rack so as to be connected with the first slips plate. The slips mechanism for manufacturing the sand prevention screen pipe can be used for effectively clamping an objected to be clamped.

Description

technical field [0001] The invention belongs to the technical field of sand control screen pipe manufacturing, especially in the sand control screen pipe manufacturing process, which is used for pulling the protective cover into the gun barrel before rolling the net (that is, pulling the sleeve) and pulling the filter sleeve out of the gun barrel (that is, withdrawing the filter sleeve) after the net is rolled. A slip mechanism and clamping method for manufacturing sand control screens. Background technique [0002] Sand control screens are commonly used equipment in oil and gas well operations. The manufacturing process of sand control screens is to use the gun tube as the coiled base tube. It is fixed with the gun barrel, and then the gun barrel drives the protective cover to rotate to realize the rolling of the net. After the net rolling is completed, the rolled filter sleeve needs to be pulled off from the barrel, that is, the unwinding operation. The existing pulling a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B11/00B25B27/00
Inventor 姜士湖李世国郭建中
Owner ANTON OILFIELD SERVICES (GRP) LTD
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