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A method for on-line monitoring of service elongation and deformation of non-metallic gathering and transportation pipelines

A technology for gathering and transportation pipelines and elongation deformation, which is applied in the direction of electric/magnetic solid deformation measurement and electromagnetic measuring devices, etc. problems, to achieve the effect of simple structure, convenient processing and high installation efficiency

Active Publication Date: 2020-11-27
BC P INC CHINA NAT PETROLEUM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the existing technical problems of monitoring the axial deformation of non-metallic gathering and transportation pipelines, there is no way to monitor the large strain of axial elongation, and the monitoring cost is high, the structure of the device is complex, and the technical problems of real-time monitoring and large-scale promotion are impossible. The present invention provides A method for on-line monitoring of service elongation and deformation of non-metallic gathering and transportation pipelines

Method used

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  • A method for on-line monitoring of service elongation and deformation of non-metallic gathering and transportation pipelines
  • A method for on-line monitoring of service elongation and deformation of non-metallic gathering and transportation pipelines
  • A method for on-line monitoring of service elongation and deformation of non-metallic gathering and transportation pipelines

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Effect test

Embodiment 1

[0070] A method for on-line monitoring of service elongation and deformation of non-metallic gathering and transportation pipelines, comprising the following steps:

[0071]1) When performing axial monitoring on an oil-water gathering and transportation pipeline with an outer diameter of 75mm, use polypropylene material to process the axial deformation sensor base 1 and the axial deformation sensor protective case 2, and place them in front of the guide seat 12 of the axial deformation sensor base 1 The side 122 and the rear side 124 are processed with a 150° card groove structure 6, and rubber sealing materials can be set in the sensor accommodation groove 3 of the axial deformation sensor base 1 and the axial deformation sensor protective shell 2, so that the entire pipeline is axially deformed Waterproofing of online monitoring devices.

[0072] Fix the end of the resistive thin film bending sensor 9 without the signal line on the sensor installation platform 8 of the axial...

Embodiment 2

[0080] A method for on-line monitoring of service elongation and deformation of non-metallic gathering and transportation pipelines, comprising the following steps:

[0081] 1) When performing axial monitoring on the oil-water gathering and transportation pipeline with an outer diameter of 108 mm, the axial deformation sensor base 1 and the axial deformation sensor protective shell 2 are processed out of stainless steel, and the guide seat 12 of the axial deformation sensor base 1 The front side 122 and the rear side 124 are processed with a 100° card groove structure 6, and rubber sealing materials can be arranged in the sensor accommodation groove 3 of the axial deformation sensor base 1 and the axial deformation sensor protective shell 2, so that the entire pipeline is axially Waterproofing of deformation online monitoring device.

[0082] Fix the end of the resistive thin film bending sensor 9 without the signal line on the sensor installation platform 8 of the axial defor...

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Abstract

The invention provides an on-line monitoring method for service extension deformation of a non-metal gathering pipeline. By the on-line monitoring method, the problems that an existing monitoring method cannot be used for monitoring axial extension large dependent variable, is high in monitoring cost and complicated in device structure and real-time monitoring and large-range promotion cannot be achieved are solved. The method comprises the following steps of 1) processing axial deformation on-line monitoring device of the non-metal gathering pipeline, wherein the device comprises an axial deformation sensor base, an axial deformation sensor protection shell and a bending sensor, the axial deformation sensor base and the axial deformation sensor protection shell are buckled to form a hollow cavity and are matched in a sliding way, the bending sensor is bent and placed in the hollow cavity, and a wire groove is formed in the axial deformation sensor base or the protection shell; 2) acquiring an initial state calibration value of the pipeline; 3) acquiring a resistant value-sliding distance corresponding table; 4) fixing the axial deformation on-line monitoring device of the non-metal gathering pipeline; 5) installing the non-metal gathering pipeline; and 6) acquiring the axial deformation quantity of the non-metal gathering pipeline.

Description

technical field [0001] The invention relates to a monitoring technology for deformation of non-metallic gathering and transportation pipelines, in particular to a method for on-line monitoring of service elongation and deformation of non-metallic gathering and transportation pipelines. Background technique [0002] Due to the advantages of large transportation volume, stability and continuity, low cost, less land occupation, and convenient maintenance, pipeline transportation is the main mode of transportation for natural gas, crude oil, refined oil and other products in the modern energy industry. Since oil, gas and other multi-phase media transported by oil and gas gathering and transportation pipelines are flammable and explosive, and often pass through densely populated areas, once an accident occurs, it will cause huge personnel, economic losses and environmental pollution. Therefore, it is necessary to The monitoring of gathering and transportation pipelines, in partic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B7/16
CPCG01B7/18
Inventor 刘强汪鹏勃祝国川白强丁楠杨扬苏杭李厚补宋生印李计科张鸿博
Owner BC P INC CHINA NAT PETROLEUM CORP
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