Method and system for monitoring oil-gas pipeline in mining subsidence area and system constructing method
A technology for oil and gas pipelines and collapse areas, applied in pipeline systems, measuring devices, and optical devices, etc., can solve problems such as fiber grating sensing that have not been seen
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[0148] Example. This example is an experimental method and system, and its composition is as Figure 1-Figure 12 Shown. A test was conducted on a mined-out collapse area with a mining depth of 10, a mining length of 15m, a pipeline buried depth of 3m, and a pipeline length of 130m. The diameter of the pipe is 168mm, the wall thickness is 6mm, and the steel grade is L245.
[0149] Oil and gas pipeline monitoring system in goaf subsidence area
[0150] The system is divided into on-site acquisition and launching system and remote receiving and analysis system, which specifically includes pipe strain monitoring device, pipe-soil relative displacement monitoring device, horizontal deformation monitoring device in the goaf collapse area, on-site monitoring station, and office receiving terminal (host computer) .
[0151] The overall composition of the oil and gas pipeline monitoring system in the goaf subsidence area is as follows figure 2 Shown. Install the fiber grating strain senso...
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