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Probe system for ultrasonic guided wave detection of marine pipeline and design method thereof

An ultrasonic guided wave and pipeline technology, which is applied in the analysis of solids using sound waves/ultrasonic waves/infrasonic waves, material analysis using sound waves/ultrasonic waves/infrasonic waves, and measuring devices. It can solve problems such as complex installation and limitations on the overall scalability of the flexible probe system. , to achieve the effects of simple waterproof process, improved detection accuracy and efficiency, and convenient disassembly and assembly

Inactive Publication Date: 2011-09-07
CHINA NAT OFFSHORE OIL CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The above two types of flexible probe systems are relatively complicated to install and are not suitable for marine pipeline inspection, and the flexible fixtures are for pipes with a specific outer diameter, which also limits the overall scalability of the flexible probe system

Method used

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  • Probe system for ultrasonic guided wave detection of marine pipeline and design method thereof
  • Probe system for ultrasonic guided wave detection of marine pipeline and design method thereof
  • Probe system for ultrasonic guided wave detection of marine pipeline and design method thereof

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Embodiment Construction

[0030] The present invention will be described in detail below in conjunction with the drawings and embodiments.

[0031] Such as figure 1 ,Such as figure 2 As shown, a probe system for ultrasonic guided wave detection of marine pipelines provided by the present invention is composed of a probe system unit module 1, a quick lock mechanism 2, a connecting shaft 3 and an airbag 5. In this embodiment, an ocean pipeline 4 with an outer diameter of eight inches is taken as an example. A total of twenty-four probe system unit modules 1 are provided in the circumferential direction of the ocean pipeline 4, and each probe system unit module 1 is connected by a connecting shaft 3, and Two adjacent probe system unit modules 1 can rotate around the connecting shaft 3 to form a flexible structure. The integrated probe system unit modules 1 are wrapped around the outer surface of the ocean pipeline 4 to be tested, and the two probe system unit modules 1 are connected and clamped by the quick...

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Abstract

The invention relates to a probe system for an ultrasonic guided wave detection of a marine pipeline and a design method thereof. The probe system provided by the invention comprises multiple probe system unit modules, quick-locking mechanisms, connecting shafts and air sacs, wherein the air sacs are contained in the probe system unit modules; the probe system unit modules are connected through the connecting shafts; the two adjacent probe system unit modules can rotate around the connecting shafts to form a flexible structure; the probe system unit modules which are connected into a whole encircle the outside surface circumference of the detected marine pipeline; the two probe system unit modules at the head and the tail are connected and clamped through the quick-locking mechanisms so as to be annularly positioned at the outside surface circumference of the detected marine pipeline; and the probe system unit modules are sealed by a waterproof material. In the design method provided by the invention, the probe rings and probe ring clamp systems of probe systems are of a modular structure; the probe rings comprise the multiple probe system unit modules; the probe ring clamp systems comprise clamp modules and are mutually connected through the connecting shafts; and the heads and tails of the probe ring clamp systems are locked through the quick-locking mechanism to form the probe system with certain flexibility.

Description

Technical field [0001] The invention belongs to the field of pipeline nondestructive testing, and relates to a probe system used for ultrasonic guided wave testing of marine pipelines and a design method thereof. Background technique [0002] In the development of offshore oil and gas resources, pipelines are the main form of oil and gas transportation and the lifeline of offshore oil and gas field development and transportation. Pipeline corrosion is a major safety hazard in offshore oil and gas production. If these potential hazards are not discovered in time during pipeline operation, it may cause oil and gas leakage, pipeline accidents, and cause major economic losses and negative social impacts. Therefore, in order to ensure the safe operation of marine pipelines during service and prolong their service life, safety inspection of in-service pipelines has become an important research topic in countries all over the world. [0003] With the development of ultrasonic guided wave...

Claims

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Application Information

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IPC IPC(8): G01N29/24G01N29/04
Inventor 曹静武湛君张恩勇王奕首陈严飞柳敏静马书义沙勇赵剑
Owner CHINA NAT OFFSHORE OIL CORP
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