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INTEGRATED MULTI-FUNCTIONAL PIPELINE SYSTEM FOR DELIVERY OF CHILLED MIXTURES OF NATURAL GAS AND CHILLED MIXTURES OF NATURAL GAS AND NGLS
INTEGRATED MULTI-FUNCTIONAL PIPELINE SYSTEM FOR DELIVERY OF CHILLED MIXTURES OF NATURAL GAS AND CHILLED MIXTURES OF NATURAL GAS AND NGLS
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机译:用于输送天然气和天然气混合气的多功能管道系统
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摘要
Herein pipeline pressure, temperature and NGL constituents are manipulated for the transportation and optional storage in a pipeline system of natural gas mixtures or rich mixtures for delivery of chilled Products for downstream applications. Pressure reduction from a last compression section delivers internally chilled Products for reduced capital and operating costs. A high lift compressor station before the pipeline terminus provides pressure differential for Joule-Thompson chilling of the pipeline contents. The chilling step can be retrofitted to existing pipeline systems, and the chilling steep can include a turbo expander or the like for recovery of pipeline pressure energy for power generation. For like throughout, with this higher pressure operation, the effects of enhanced NGL content results in a reduction in diameter of the pipeline by at least one standard size. Substantial overall reduction in energy consumption and associated CO2 emissions is thereby achieved through integrated pipeline/processing applications.
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