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:
Oct. 16, 1984
Filed:
Mar. 31, 1982
Applicant:
Inventor:
James B Riggs, Maidsville, WV (US);
Assignee:
Mobil Oil Corporation, New York, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166261 ; 166272 ; 166266 ; 166267 ; 48DI / ;
Abstract
A method for in-situ coal gasification to recover a product gas having a predetermined H.sub.2 /CO ratio by introducing controlled amounts of carbon dioxide recovered from the product gas along with steam and oxygen injected into the coal deposits. The H.sub.2 /CO ratio of the product gas is preferably maintained within the range of 1.5 to 4.0.
Riggs, James. (1984). Method for controlling h.sub.2 /co ratio of in-situ coal gasification (U.S. Patent No. 4476927). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4476927
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile