Research on Thermal Changes of Gas Production Process for Lined Rock Caverns
The lined rock cavern has significant advantages as an important method of natural gas storage and deployment.The changing temperature of natural gas during gas production process has a great impact on material selection of lined steel tank and production pipe,composition of ground facilities and control program of process.A thermal model is established for lined rock caverns to analyze the dynamic changing process of pressure and temperature in gas storage caverns and gas pipelines during gas production.And the influence of gas production rate and operation pressure of terminal facility at vertical well terminal on regulation of thermal changes is also studied.Select a reasonable control technology to ensure the safety and economy of the gas production process in gas storage,and then provide a reference for actual operation and production.
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