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:
Sep. 24, 2002
Filed:
Nov. 21, 2000
Applicant:
Inventors:
Mark H. Koelmel, London, GB;
Stephen Miller, San Francisco, CA (US);
Curtis L. Munson, Oakland, CA (US);
David R. Underdown, Conroe, TX (US);
Rick A. Wright, Houston, TX (US);
Jean P. Camy, Danville, CA (US);
Steve E. Ross, Laguna Beach, CA (US);
Peter C. Schmidt, Walnut Creek, CA (US);
Assignee:
Chevron U.S.A. Inc., San Ramon, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 5/322 ; B01D 1/900 ;
U.S. Cl.
CPC ...
B01D 5/322 ; B01D 1/900 ;
Abstract
A downhole preferential hydrocarbon gas recovery system and method employ preferentially selective materials to separate the hydrocarbon gas from contaminants. According to one aspect of the invention, the preferentially selective materials are arranged in tubes with the hydrocarbon gas flowing through the tubes and the contaminants permeating out through the preferentially selective material.