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Desanding apparatus free of disassembly for washing

A disassembly-free and sand-separating technology, which is applied in the petrochemical field, can solve the problems of time-consuming, capital-intensive, and difficult, and achieve the effects of avoiding manual disassembly, prolonging the service life, and ensuring the quality of crude oil

Inactive Publication Date: 2017-04-26
上海威含德石油机械设备有限公司 +2
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0004] Different from the manual cleaning and replacement of civil water pipelines, the huge weight and volume of crude oil transportation pipelines requires large-scale lifting and transportation equipment, which is not only time-consuming, laborious and expensive, especially for field operations in ice and snow, it is not easy. Therefore, the industry is looking forward to new technical means to replace the existing heavy manual work methods

Method used

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  • Desanding apparatus free of disassembly for washing
  • Desanding apparatus free of disassembly for washing
  • Desanding apparatus free of disassembly for washing

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Embodiment Construction

[0023] The present invention takes figure 1 The specific implementation method is described as the best embodiment:

[0024] Due to the different components and diameters of sand and gravel in crude oil, after the long-distance transportation of pipelines, it often appears that the small diameter components are at the bottom and the coarse components are at the top. figure 2 It is a schematic diagram of the traditional technical structure; it is not difficult to see that a bypass shunt pipeline is installed in parallel (parallel connection) beside the filter pipeline, and the negative pressure extraction method of the core of the screen 15 is used for sand filtration, and the sand deposited at the bottom of the pipeline is carried out along with the pipeline. The punching of imported crude oil is continuously pushed to the front along the bottom of the pipeline, while the oil layer with lighter specific gravity is continuously sucked away by the screen tube 15 at the core, un...

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Abstract

The invention discloses a desanding apparatus free of disassembly for washing, comprising flat valves, cross tees, flanges, connection tubes, sieve tubes, fasteners and seals; the desanding apparatus is of pipeline segment combination and two-path symmetric square structure. The disassemble-to-wash mode of traditional desanding apparatus is changed; by using reverse hydraulic washing mode, tedious manual removal of a pipeline is avoided, and the service life of the apparatus is extended; in conjunction with computer-based remote pipeline switching methods, it is possible to provide non-intermittent crude oil filtering delivery for pipelines, and the quality of crude oil under delivery is ensured; the apparatus is more suitable, particularly, for crude oil pipelines for shale exploitation.

Description

technical field [0001] The invention relates to the petrochemical field, in particular to a sand sorting device without disassembly and cleaning. Background technique [0002] For the field of oil exploitation, due to its harsh operating environment, most of them are high-temperature, high-pressure, and highly corrosive environments. In addition, the extracted crude oil has complex components: oil, gas, sand, water, etc., which are more corrosive to pipelines and flat valves. Generally, sand separators are installed at the front end of the pipeline. With the development of shale mining technology in my country, it has become possible to extract oil from shale rocks, and the sand and stone components in crude oil will become more. For sand separators requirements are also increasing. [0003] The tradition represented by "CN02247698.9-Hydraulic Cyclone Sand Separator" of Shengli Oilfield Yinxing Technology Development Company and "CN200420029723.6 - Cyclone Sand Separator" of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/38
CPCE21B43/38
Inventor 徐云飞蒋纯耿喜涛
Owner 上海威含德石油机械设备有限公司
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