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Configurations And Methods For Offshore LNG Regasification And Heating Value Conditioning

  • US 20100126187A1
  • Filed: 12/20/2007
  • Published: 05/27/2010
  • Est. Priority Date: 04/13/2007
  • Status: Active Grant
First Claim
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1. A method of providing a natural gas product, comprising:

  • providing vaporized supercritical LNG at a temperature of −

    20°

    F. to 20°

    F. to an LNG processing unit;

    expanding the vaporized LNG in the LNG processing unit and using refrigeration content of the expanded vaporized LNG to provide cooling to a first recompressor feed and a reflux condenser to thereby form a heated vaporized LNG stream;

    splitting the heated vaporized LNG stream into a first and second portion;

    condensing the first portion to form a reflux stream for a demethanizer, wherein the reflux stream has a temperature sufficient for recovery of at least C2 components, and turbo-expanding the second portion and feeding the expanded second portion to the demethanizer; and

    producing a demethanizer overhead product.

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