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Encrypted sealing joint for oil gas well

A technology for sealing and oil and gas wells, applied in sealing/isolation, wellbore/well parts, earthwork drilling and production, etc., can solve the theft and damage of sealing heads or pressure gauges, interfere with the safe production of oil or gas wells, oil or gas wells Production fluctuations and other problems can be achieved to save manpower and material resources, avoid gas stealing at the wellhead, and improve work efficiency

Inactive Publication Date: 2010-02-24
许现西
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The wellheads of oil wells or gas wells in oil fields are generally in the wild, and the sealing heads or pressure gauges installed on the wellheads of oil wells or gas wells are often stolen and damaged. Or gas well production fluctuations, wellbore fluid accumulation and casing corrosion and other safety hazards seriously interfere with the safe production of oil or gas wells

Method used

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  • Encrypted sealing joint for oil gas well
  • Encrypted sealing joint for oil gas well
  • Encrypted sealing joint for oil gas well

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Embodiment Construction

[0030] The technical solution of the present invention will be described in further detail below with reference to the drawings and specific embodiments.

[0031] Such as figure 1 and figure 2 As shown, an oil and gas well plus sealing joint includes a sealing joint body 1, and the sealing joint body 1 is provided with a password lock core 10, a protective sleeve 8 and a connecting bolt hole 7, and the protective sleeve 8 is sleeved on the The lower part of the coded lock core 10, an annular groove 9 is formed between the protective sleeve 8 and the coded lock core 10, and the ring-shaped groove 9 is placed inside the circular groove 9 locked by the coded lock core 10. Anti-theft shield 5;

[0032] The combination lock core 10 is provided with a hollow cavity, and the hollow cavity communicates with the connecting channel 12 of the sealing head body 1, and the upper part of the combination lock core 10 is provided with a screw hole 13 and a pressure relief hole 14. The pre...

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Abstract

The present invention provides one kind of sealed oil gas well joint, which includes one joint body, one coded lock core set on the joint body, one protecting sleeve in the lower part of the coded lock core, and one anti-theft protecting cover set inside the ring slot between the protecting sleeve and the coded lock core. The sealed oil gas well joint has one coded lock structure, capacity of preventing gas theft and intended damage, high operation efficiency and other advantages.

Description

technical field [0001] The invention relates to an oil and gas well sealing joint, in particular to an oil and gas well sealing joint. Background technique [0002] The wellheads of oil wells or gas wells in oil fields are generally in the wild, and the sealing heads or pressure gauges installed on the wellheads of oil wells or gas wells are often stolen and damaged. Or gas well production fluctuations, wellbore fluid accumulation and casing corrosion and other safety hazards have seriously interfered with the safe production of oil or gas wells. [0003] In order to solve the above problems, people have been seeking an ideal technical solution. Contents of the invention [0004] The object of the present invention is to address the deficiencies of the prior art, thereby providing an oil and gas well sealing joint with ingenious structural design, high safety and convenient use. [0005] In order to achieve the above object, the present invention provides an oil and gas ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B33/03
Inventor 许现西胡志刚张海军许振西侯淑华
Owner 许现西
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