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:
Mar. 25, 2014

Filed:

Jun. 29, 2009
Applicants:

Edmund Fordham, Kedington, GB;

Denise Freed, Newton Highlands, MA (US);

Yuesheng Cheng, Edmonton, CA;

John Edwards, Medinat Al Alam, OM;

Inventors:

Edmund Fordham, Kedington, GB;

Denise Freed, Newton Highlands, MA (US);

Yuesheng Cheng, Edmonton, CA;

John Edwards, Medinat Al Alam, OM;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 3/32 (2006.01);
U.S. Cl.
CPC ...
Abstract

NMR logging in a wellbore is used to monitor an oil reservoir during oil recovery by miscible displacement. Diffusivity distributions found by NMR logging indicate whether one or two phases are present and composition of residual oil. Operation of the oil recovery procedure may be maintained or modified in response to monitoring of the reservoir.


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Fordham, Edmund. (2014). Nmr logging of miscible displacement (U.S. Patent No. 8680858). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8680858

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