Larry Duane Wheaton
Engineers at Jackson St, Littleton, CO
License number
Colorado 16961
Issued Date
Jan 15, 1980
Renew Date
Feb 1, 1998
Expiration Date
Feb 1, 1998
Type
Professional Engineer
Address
Address
7477 S Jackson St, Littleton, CO 80122
Professional information
Oil Shale Retorting With Steam And Produced Gas
US Patent:
5041210, Aug 20, 1991
Filed:
Jun 30, 1989
Appl. No.:
7/373753
Inventors:
LaVaun S. Merrill - Englewood CO
Larry D. Wheaton - Littleton CO
Larry D. Wheaton - Littleton CO
Assignee:
Marathon Oil Company - Findlay OH
International Classification:
C10G 102
US Classification:
208407
Abstract:
A process for retorting oil shale in a vertical retort. Recycle gas containing steam and produced gas is separated from the retort off-gas and used to heat the oil shale. The steam is present in amount by volume of the recycle gas of at least 40% and preferably 70%. The minimum particle size of the oil shale is such that the particles are retained on a screen having 1/4 inch openings. The maximum particle size is such that the particles are capable of passing through a screen having 3 inch openings.