Conocophillips Company

Michael A Wilkes

Jon Marvin Mock

A liquefied natural gas facility employing a heavies removal column having multiple reflux streams. The reflux streams can have different compositions and can be operable to reduce the critical pressure of the fluids within the heavies removal column in order to permit the column to operate at higher pressures without adversely affecting the horsepower requirements of plant compressor/driver systems.

Dual-refluxed heavies removal column in an LNG facility

The present invention relates to cryogenic fluids. In another aspect, the present invention relates to additional protection of an apparatus containing equipment capable of operating at cryogenic temperatures and containing cryogenic materials. In one embodiment of the present invention, an apparatus includes a primary enclosure defining an internal volume. The primary enclosure includes primary walls, a primary ceiling, a primary floor, and a vapor venting system. The primary enclosure is fabricated from a low temperature alloy. At least of a portion of the primary floor forms a slope to a hydrocarbon outlet. A perforated plate is located on top of the hydrocarbon outlet. The perforated plate is fabricated from a low temperature alloy. A fire retardant agent applied to the exterior surface of the primary enclosure.

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Katy, TX, United States of America

Michael A Wilkes