A high temperature submersible electric pump wellhead traverser structure

A submersible electric pump, high-temperature technology, applied in pumps, pump devices, non-variable pumps, etc., can solve problems such as unsatisfactory temperature and pressure resistance, no solution for high-temperature oil wells, and seal failure of wellhead penetrators. Achieve the effect of improving temperature and pressure resistance and ensuring sealing reliability

Active Publication Date: 2017-04-19
TONGYI TECH CO LTD SHENYANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing structure of the wellhead penetrator is not ideal in terms of temperature resistance and pressure resistance, especially when a blowout occurs,

Method used

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  • A high temperature submersible electric pump wellhead traverser structure
  • A high temperature submersible electric pump wellhead traverser structure
  • A high temperature submersible electric pump wellhead traverser structure

Examples

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Example Embodiment

[0021] The present invention will be further described in detail below with reference to the drawings and specific embodiments.

[0022] Such as Figure 1~6 As shown, a high-temperature submersible electric pump wellhead traverser structure includes a sealing body 1 and a traversing body 2. The traversing body 2 is fixedly installed on a wellhead flange 3, and the sealing body 1 is located on the wellhead flange 3. Above and fixedly connected to the through body 2; in the sealing body 1 are respectively provided a primary sealed cavity 4 and a secondary sealed cavity 5, the primary sealed cavity 4 is located on the lower side of the secondary sealed cavity 5, and the upper end of the through body 2 is located In the primary sealed cavity 4; a primary sealed component is arranged in the primary sealed cavity 4, a secondary sealed component is arranged in the secondary sealed cavity 5, and the cable 6 passes through the primary sealed component and the secondary sealed in turn The...

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PUM

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Abstract

A high-temperature submersible electric pump wellhead traverser structure, in which a first-level sealing chamber and a second-level sealing cavity are respectively arranged in the sealing body, a first-level sealing assembly is arranged in the first-level sealing chamber, and a second-level sealing assembly is arranged in the second-level sealing chamber Assemblies, the cables pass through the primary sealing assembly and the secondary sealing assembly in turn for double-stage sealing; the primary sealing assembly includes a sealing block and a compression block, and the sealing block and compression block pass through the threading hole and are set on the cable from top to bottom , there is an annular pressure gap between the two, and the first compression spring is installed between the compression block and the sealing body; the secondary sealing assembly includes a wave seal sleeve, which is set on the cable, and the wave seal sleeve and There is a pressure oil pressurized chamber between the sealing blocks, and a second compression spring is installed between the wave seal sleeve and the sealing body; the second-stage sealing ability of the present invention is higher than the first-stage sealing ability, and is expressed as the sealing ability The step-by-step increase effectively ensures the sealing reliability of the wellhead penetrator when a blowout occurs.

Description

technical field [0001] The invention belongs to the technical field of high-temperature submersible electric pumps, and in particular relates to a wellhead traverser structure of high-temperature submersible electric pumps. Background technique [0002] For the electric submersible pump, its working power needs to be connected with the electric submersible pump through the cable, but the working power is located on the ground, while the electric submersible pump is located in the underground, so the cable must pass through the wellhead from the ground to the underground. A wellhead traverser is required. [0003] When the oil well is working, the pressure above the wellhead is atmospheric pressure and the temperature is the ambient temperature, while the annular pressure below the wellhead is about 1MPa, and the temperature can reach about 180°C. At this time, the wellhead traverser must work under high temperature and high pressure. However, the existing structure of the w...

Claims

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Application Information

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IPC IPC(8): E21B33/03F04D13/10
CPCE21B33/03F04D13/10
Inventor 孙兴革王德忠白山彭兵曾林锁董晓强张义順王通李强李德鹏胡岩
Owner TONGYI TECH CO LTD SHENYANG UNIV OF TECH
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