Refrigeration – Cryogenic treatment of gas or gas mixture – Liquefaction
Reexamination Certificate
2005-11-15
2005-11-15
Ali, Mohammad M. (Department: 3744)
Refrigeration
Cryogenic treatment of gas or gas mixture
Liquefaction
C062S613000, C062S616000
Reexamination Certificate
active
06964180
ABSTRACT:
The method for loading pressurized compressed natural gas into a storage element on a floating vessel entails introducing compressed natural gas from a source into a storage element located on the floating vessel raising the storage element pressure from about 800 psi to about 1200 psi at an ambient temperature; allowing a portion of the compressed natural gas to cool forming a liquid in the storage element; removing remaining vapor phase compressed natural gas from the storage element to a refrigeration plant, wherein the refrigeration plant is adapted to cool the vapor; removing the liquid from the storage element to the refrigeration plant; wherein the refrigeration plant is adapted to cool the liquid; mixing the cooled vapor phase with the cooled liquid phase and returning the mixture to the storage element; repeating the steps until the vapor has been cooled and is substantially a liquid.
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Ali Mohammad M.
ATP Oil & Gas Corporation
Buskop Wendy
Buskop Law Group P.C.
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