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Pigging ball filling base

A pigging ball and filling technology, which is applied in the field of offshore petroleum engineering, can solve the problems of increasing the thrust of the pigging ball, troublesome filling operations, and skewing the pigging ball, and achieves a stable, easy operation, time-saving and simple structure. Effect

Active Publication Date: 2015-09-09
CHINA NAT OFFSHORE OIL CORP +2
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  • Abstract
  • Description
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Problems solved by technology

However, this will also increase the thrust required to load the pigging ball into the serving cylinder. Therefore, during the pushing process, the pigging ball is prone to skew, damage the caliper plate, and bring trouble to the filling operation

Method used

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Embodiment Construction

[0015] Such as figure 1 As shown, the present invention is provided with: an arc plate 1, the two ends of the bottom of the arc plate 1 are respectively equipped with a base support 2 in a welding manner, wherein the arc plate 1 is made of steel pipes, and the arc of the arc plate 1 is in line with the pigging The arcs of the balls 3 coincide; and the length of the arc plate 1 is greater than the length of the pigging ball 3; the radius of the arc plate 1 is slightly greater than the radius of the pigging ball rubber plate 31.

[0016] The base bracket 2 is: composed of a rectangular pipe and a steel plate installed vertically on the rectangular pipe by welding. The middle part of the steel plate is provided with an arc groove matching the arc of the arc plate 1 .

[0017] The bottom pad of above-mentioned base support 2 is placed with the backing plate of adjusting height.

[0018] Such as figure 2 As shown, when in use, the serving tube 4 is bound and fixed, and the after...

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Abstract

A filling base for a spherical pug is provided with an arc plate, base supports are oppositely installed at the two ends of the bottom of the arc plate respectively, and the radian of the arc plate is matched with that of the spherical pig. The length of the arc plate is larger than that of the spherical pig. In the process of filling, the coaxiality between the spherical pig and a spherical pig serving tube can be guaranteed, stability of the posture of the spherical pig is maintained, and the phenomenon of deflection will not happen. Therefore, operation of filling the spherical pig is easier and saves time better, and a caliber measuring plate of the spherical pig is effectively protected. Meanwhile, the structure is simple, using is convenient, and the arc plate can meet the filling requirement of spherical pigs of various sizes.

Description

technical field [0001] The invention relates to a pigging ball, in particular to a pigging ball filling base. It belongs to the field of offshore oil engineering. Background technique [0002] During the laying of oil and gas pipelines, debris is easy to fall inside, and the pipeline is deformed due to local excessive force or external impact, which will affect the commissioning and operation of the pipeline. Therefore, after the pipeline is laid, it is necessary to carry out ball sweeping and diameter measurement operations on the pipeline to clarify the effect of the pipeline laying. [0003] At present, in the operation of clearing the line with the ball and measuring the diameter, the usually used pigging ball is generally provided with a rubber plate and a diameter measuring plate. The rubber plate is used to remove the sundries inside the pipeline. The diameter of the pipe must be slightly larger than the inner diameter of the pipe. The flexibility of the rubber can ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B08B13/00G01B21/10
CPCB08B9/0552G01B21/10
Inventor 蔡长松魏行超苗春生石锦坤
Owner CHINA NAT OFFSHORE OIL CORP
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