The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 18, 2000
Filed:
Mar. 26, 1999
Ronald R Bowen, Magnolia, TX (US);
Moses Minta, Sugar Land, TX (US);
ExxonMobil Upstream Research Company, Houston, TX (US);
Abstract
A process for using the cold of pressurized liquefied natural gas (PLNG) to compress boil-off vapors produced by handling of liquefied natural gas to produce a higher pressure gas product and at the same time produce power that preferably provides at least part of the power for the process. The PLNG is pressurized, passed to a first heat exchanger for vaporization, and the vaporous material is passed to a second heat exchanger for further heating to produce a first gas product. A refrigerant is circulated in a closed cycle through the first heat exchanger to heat the PLNG, through a pump to pressurize the refrigerant, through a second heat exchanger to vaporize the refrigerant, and through a work-producing device to generate energy. Boil-off gas is compressed and passed through the first heat exchanger, further compressed, and then passed through the second heat exchanger to produce a second gas product.