A suction pipe cleaner
A technology of pipe cleaners and water collectors, which is applied in the field of petroleum engineering, and can solve problems such as wear and tear of pipe cleaner cups and loose seals
Active Publication Date: 2018-01-02
PIPECHINA SOUTH CHINA CO
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- Application Information
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Problems solved by technology
However, since the pigging cup will wear out as the pigging progresses, resulting in a loose seal, it is difficult to remove the residual water in the pipeline
Method used
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[0024] The purpose of the present invention is to develop a water suction pig for cleaning the residual water in the low-lying part of the natural gas and oil pipeline, thereby effectively slowing down the corrosion and ice blockage of the pipeline.
[0025] The technical solutions in the present invention will be described in detail below in conjunction with the accompanying drawings and specific implementation manners.
[0026] Such as figure 1 As shown, the present embodiment provides a water suction pig, comprising:
[0027] Cylindrical metal cylinder 108, the cylinder wall of cylindrical metal cylinder 108 is a hollowed-out mesh structure, and the mesh diameter of the mesh structure is between 0.1 mm and 5 cm;
[0028] The polymer water-absorbing resin 106 is located in the cylindrical metal cylinder 108, and the polymer water-absorbing resin 106 has a strong water-absorbing capacity;
[0029] The arc-shaped water collector 109 is arranged on the front end of the cylind...
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The invention discloses a water-absorbing tube cleaner. The water-absorbing tube cleaner comprises a cylindrical metal barrel, macromolecular water-absorbing resin located in the cylindrical metal barrel, an arc-shaped water collector, balls inlaid into the barrel wall of the cylindrical metal barrel, flow guiding pipes arranged on the inner side of the barrel wall of the cylindrical metal barrel, a packing cup fixed to the tail end of the cylindrical metal barrel, and a packing cup tube cleaner connected with the tail end of the cylindrical metal barrel, wherein the barrel wall of the cylindrical metal barrel is of a hollowed-out netty structure; the arc-shaped water collector is arranged at the front end of the cylindrical metal barrel; the surface of the arc-shaped water collector is provided with a plurality of small holes; the surfaces of the flow guiding pipes are provided with a plurality of small holes; one ends of the flow guiding pipes are communicated with the small holes of the surface of the arc-shaped water collector, and the other ends of the flow guiding pipes extend into the bottom of the cylindrical metal barrel; the pipe walls of the flow guiding pipes make contact with the macromolecular water-absorbing resin. The water-absorbing tube cleaner is high in water-absorbing property and capable of cleaning up residual water in the low-lying positions of natural gas and oil product pipelines, and the corrosion and ice blockage phenomena of the pipelines are effectively relieved.
Description
technical field [0001] The invention relates to the technical field of petroleum engineering, in particular to a water suction pig applied to the removal of residual water in natural gas and oil product pipelines and the evaluation of residual water. Background technique [0002] For natural gas and oil pipelines that have been put into operation, a certain amount of water exists in the low-lying places in the pipeline due to the water content inside the transmission medium and the change of the transmission temperature and relative height. Pipelines that have not been put into operation need to be tested for strength and tightness with water. After the test is completed, there will be a large amount of residual water in the pipeline. After natural water release and pig pushing, it needs to be purged with dry air to remove it. If the content is too high, it will lead to problems such as ice blockage. [0003] Since most oil pipelines currently in operation in China do not ...
Claims
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IPC IPC(8): B08B9/04
CPCB08B9/04B08B2209/04
Inventor 周建伟李春漫程磊郭海峰杨法杰穆承广刘猛刘文会陈洪源
Owner PIPECHINA SOUTH CHINA CO