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Buckle oil manifold thread buckle spray sand guarding thread

A technology for fastening oil pipes and protective wires, which is applied in the direction of drill pipes, casings, coatings, etc., and can solve the problems of thread tightness and anti-corrosion effects, and achieve the effect of solving sealing and improving service life

Inactive Publication Date: 2008-10-08
ANTON OILFIELD SERVICES (GRP) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] In order to overcome the problem that the sandblasting coating of the oil pipe in the prior art affects the tightness and anti-corrosion of the thread, the present invention provides a sandblasting protection wire for the thread of the oil pipe to ensure air tightness and anti-corrosion.

Method used

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  • Buckle oil manifold thread buckle spray sand guarding thread

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Embodiment Construction

[0010] The technical solutions of the present invention will be described in detail below in conjunction with specific embodiments.

[0011] The invention provides a sandblasting protective wire for oil pipe threading. The protective wire is casted at one time by using the oil pipe coupling as a mold. The protective wire 2 is closely matched with the oil pipe thread 1. The material of the protective wire 2 is Synthetic rubber of a certain hardness. When the protective wire 2 is tightened, the front end of the synthetic rubber protective wire is closely attached to the sealing protection part, forming a sealing protection for the area and the internal thread, which realizes the protection of the sealing end face and avoids damage to the wire during sandblasting. Damage to buckles and sealing surfaces.

[0012] The invention solves the sealing and anti-corrosion problems of the threaded thread of the pipe and the sealing surface, and increases the service life of the threaded t...

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Abstract

The invention relates to the technical field of the protection of petroleum tubular goods, in particular to a screw protector for a tube screw smearing sand blasted. In order to overcome the problem of the influence of the tube blasted sand coating on the leak tightness and non-corrodibility of a screw thread in the prior art, the invention provides the screw protector for the tube screw smearing sand blasted; the screw protector is cast at one time by taking a tube collar as a mould and is closely matched with the tube screw. The screw protector for the tube screw smearing sand blasted solves the problems in leak tightness and non-corrodibility of the tube screw thread and prolongs the service life of the tube screw thread by 3-5 times.

Description

technical field [0001] The invention relates to the technical field of oil pipe protection, in particular to a threaded sandblasting protective wire for oil pipes. Background technique [0002] At present, there is no reasonable protection technology for the sandblasting coating of the oil pipe. After sandblasting the coating, the threaded thread will be damaged, affecting the air tightness of the oil pipe, and the threaded part will be corroded, so that the coating of the oil pipe will be corroded. Adoption and dissemination are severely limited. Therefore, how to ensure the airtightness of the threaded thread after the sandblasting coating of the oil pipe and reduce the corrosion damage of the threaded thread has always been a concern of the majority of oilfield users. Contents of the invention [0003] In order to overcome the problems in the prior art that the oil pipe sandblasting coating affects the tightness and anticorrosion of the thread, the invention provides a...

Claims

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Application Information

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IPC IPC(8): E21B17/042B24C1/00B05D1/32B05D7/24
Inventor 贺志刚王茹毅吴立峰
Owner ANTON OILFIELD SERVICES (GRP) LTD
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