Inventors:
Mark H. Koelmel - London, GB
Stephen Miller - San Francisco CA
Curtis L. Munson - Oakland CA
David R. Underdown - Conroe TX
Rick A. Wright - Houston TX
Jean P. Camy - Danville CA
Steve E. Ross - Laguna Beach CA
Peter C. Schmidt - Walnut Creek CA
Assignee:
Chevron U.S.A. Inc. - San Ramon CA
International Classification:
B01D 5322
US Classification:
95 46, 95 47, 95 49, 95 51, 95 52, 95 53, 96 6, 96 7, 96 9, 96 10, 96 14
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.