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Detachable sealing detection device

A sealing detection and sealing end technology, which is applied in the field of detachable sealing detection devices, can solve problems such as difficulty in meeting the sealing requirements, and achieve the effects of reduced disassembly, fast pressure rise, and convenient installation

Pending Publication Date: 2018-05-22
BITSWAVE SUZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that in the prior art, only vacuum pumping can be used for airtightness testing, and the airtightness is tested under negative pressure, and the test pressure is only 1Mpa, which makes it difficult to meet the airtightness requirements under high pressure

Method used

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Experimental program
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Embodiment 1

[0028] In order to solve the problem that in the prior art, only vacuum pumping can be used for airtightness testing, and the airtightness is tested under negative pressure. The test pressure is only 1Mpa, which is difficult to meet the airtightness requirements under high pressure. The present invention provides a detachable leak detection device, specifically, refer to figure 1 and figure 2 , the device includes a sleeve 6, a sealing joint 5, a pressing device 1 and a pressure gauge 3, the sleeve 6 includes a sealing end 61 and an opening end 62, and the sealing joint 5 and the opening end 62 of the sleeve 6 Threaded connection, the pressing device 1 is set on the sealing joint 5 through the quick joint 7, the quick joint 7 is provided with a pressure valve 8, and the pressure gauge 3 is set at the sealing end 61 of the sleeve 6.

[0029] Further, the pressure gauge 3 is provided with an external thread, and the sealing end 61 of the sleeve 6 is provided with an internal t...

Embodiment 2

[0041] This embodiment provides another description of the sealing pressure utilizing the device, specifically, as figure 1 and figure 2 As shown, the device includes a sleeve 6, a sealing joint 5, a pressing device 1 and a pressure gauge 3, the sleeve 6 includes a sealing end 61 and an opening end 62, and the sealing joint 5 and the opening of the sleeve 6 The end 62 is threaded, the pressing device 1 is set on the sealing joint 5 through the quick joint 7, the quick joint 7 is provided with a pressure valve 8, and the pressure gauge 3 is set on the sealing end of the sleeve 6 61.

[0042] Further, the pressure gauge 3 is provided with an external thread, and the sealing end 61 of the sleeve 6 is provided with an internal thread matched with the external thread, and the pressure gauge 3 is provided on the sleeve through a threaded connection. 6, the pressure in the sleeve 6 can be monitored in real time.

[0043] Further, the pressing device 1 is provided with a handle, w...

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Abstract

The invention relates to the technical field of sealing detection, and discloses a detachable sealing detection device. The device comprises a sleeve, a sealing joint, a pressing device and a pressuregauge, wherein the sleeve comprises a sealing end and an opening end; the sealing joint is in threaded connection with the opening end of the sleeve; the pressing device is arranged on the sealing joint through a quick joint; a pressure valve is arranged on the quick joint; and the pressure gauge is arranged at the sealing end of the sleeve. Sealing pressure test with positive pressure up to 120Mpa can be realized and the problems that only a vacuum pumping mode can be adopted for sealing detection in the prior art, the test pressure is only 1 Mpa when the sealing is tested under negative pressure, and sealing requirements under high pressure are hard to meet can be solved.

Description

technical field [0001] The invention relates to the technical field of airtightness testing, and discloses a detachable airtightness detection device Background technique [0002] LWD (Logging While Drilling) means "logging while drilling". Generally speaking, in addition to the measurement parameters of MWD, it must also include all or part of geological parameters (such as: resistivity while drilling, gamma while drilling, Density while drilling, porosity while drilling, etc.) [0003] LWD technology is mainly used in the occasions of distinguishing formations, distinguishing oil, gas and water, judging formation changes, and predicting high-pressure formations, etc. It can greatly shorten the drilling cycle, reduce the soaking time of oil and gas, and reduce the pollution of oil layers. Since the application occasions of LWD instruments are mostly underground high-pressure test environments, strict requirements are put forward for the sealing of LWD instruments. If the s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/26G01M3/04
CPCG01M3/04G01M3/26
Inventor 刘策黄俭波姜亚竹
Owner BITSWAVE SUZHOU
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