Production method and production system for natural gas
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United States of America Patent
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Aug 16, 2016
Grant Date -
May 7, 2015
app pub date -
May 16, 2013
filing date -
May 16, 2012
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Abstract
A production method for natural gas according to the invention includes a step of adiabatically compressing a raw natural gas containing helium gas, a step of separating the helium gas from the raw natural gas by passing the adiabatically-compressed raw natural gas through a separation membrane unit, a step of conveying the raw natural gas from which the helium gas has been separated to a terminal through a pipe line, and a step of pressing the helium gas separated from the raw natural gas into an underground storage formation.
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