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Method, device and equipment for detecting sealing performance of oil pipe joint

An oil pipe joint and tightness technology, applied in the field of oil pipe tightness detection, can solve the problems of low efficiency of oil pipe joint gas tightness detection, huge equipment, complicated operation, etc., to ensure safe and efficient production, accurate test results, and efficient and convenient testing. Effect

Active Publication Date: 2021-08-03
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when using this method for detection, not only the equipment required is huge and the operation is complicated, but also only the leakage channel of the joint can be detected, which makes the detection efficiency of the air tightness of the oil pipe joint low

Method used

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  • Method, device and equipment for detecting sealing performance of oil pipe joint
  • Method, device and equipment for detecting sealing performance of oil pipe joint
  • Method, device and equipment for detecting sealing performance of oil pipe joint

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Embodiment Construction

[0021] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in the embodiments of this specification will be clearly and completely described below in conjunction with the drawings in the embodiments of this specification. Obviously, the described The embodiments are only some of the embodiments in this specification, not all of them. Based on one or more embodiments in this specification, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of the embodiments of this specification.

[0022] Hereinafter, a specific application scenario is taken as an example to describe the implementation of this specification. specific, figure 1 It is a schematic flowchart of an embodiment of a method for detecting the tightness of oil pipe joints provided in this specification. Although this description provides the method o...

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Abstract

The embodiment of the invention provides a method, a device and equipment for detecting the sealing performance of an oil pipe joint. The method comprises the steps: acquiring a sound signal of each measuring point on a front sealing surface and a rear sealing surface of an upper buckle of the oil pipe joint, wherein the sound signals are collected by an ultrasonic phased array probe; acquiring a magnetic signal of each measuring point on the outer walls of a front coupling and a rear coupling of the upper buckle of the oil pipe joint, wherein the magnetic signal is acquired by a magnetic memory probe; obtaining contact stress distribution information of the sealing surfaces of the oil pipe joint according to the sound signal of each measuring point on the front sealing surface and the rear sealing surface of the upper buckle of the oil pipe joint; acquiring stress distribution information of the threaded section of the oil pipe joint according to the magnetic signal of each measuring point on the outer walls of the front coupling and the rear coupling of the upper buckle of the oil pipe joint; and based on the contact stress distribution information of the sealing surfaces of the oil pipe joint and the stress distribution information of the threaded section of the oil pipe joint, determining a detection result of the sealing performance of the oil pipe joint. According to the embodiment of the invention, the detection of the sealing performance of the oil pipe joint is more efficient and convenient.

Description

technical field [0001] The present application relates to the technical field of oil pipe tightness detection, in particular to a method, device and equipment for detecting the tightness of oil pipe joints. Background technique [0002] During the exploration and development of high-temperature, high-pressure, high-sulfur, and ultra-deep gas wells, the gas-tight performance of the pipe string has always been a key part of the pipe string integrity management. Tubing string leakage usually causes a large loss of oil and gas resources, and even causes gas wells to shut down, resulting in high maintenance costs and long periods. The special threaded joint is the weakest part of the tubing string, where more than 80% of the seal failures occur, so the airtight detection of the special threaded joint is becoming more and more important. [0003] In the prior art, helium leak detection technology is mainly used to monitor the sealing quality of special threaded joints before the ...

Claims

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Application Information

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IPC IPC(8): G01M3/00G01M3/24
CPCG01M3/00G01M3/243
Inventor 樊建春韩婷田春萌黄宝鑫高富民赵坤鹏刘祥元杨云朋张经纬王雅杰杨思齐王彦然
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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