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.

Date of Patent:
Jun. 15, 2010

Filed:

Jun. 01, 2007
Applicants:

Harold J. Vinegar, Bellaire, TX (US);

Eric Pierre DE Rouffignac, Houston, TX (US);

Kevin Albert Maher, Bellaire, TX (US);

Lanny Gene Schoeling, Katy, TX (US);

Scott Lee Wellington, Bellaire, TX (US);

Inventors:

Harold J. Vinegar, Bellaire, TX (US);

Eric Pierre de Rouffignac, Houston, TX (US);

Kevin Albert Maher, Bellaire, TX (US);

Lanny Gene Schoeling, Katy, TX (US);

Scott Lee Wellington, Bellaire, TX (US);

Assignee:

Shell Oil Company, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/24 (2006.01); E21B 43/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of treating an oil shale formation in situ includes providing heat directly from one or more heaters to at least a portion of the formation. The heat is controlled to maintain an average temperature of the portion below a dissociation temperature of carbonate minerals in the portion. A first fluid is injected into the portion of the formation. A second fluid is produced from the formation. An in situ conversion process is conducted in the portion of the formation.


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