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:
Dec. 29, 2015
Filed:
Nov. 10, 2010
Applicants:
Tapantosh Chakrabarty, Calgary, CA;
Scott E. Hommema, Lagos, NG;
Joseph L. Feimer, Bright's Grove, CA;
Inventors:
Tapantosh Chakrabarty, Calgary, CA;
Scott E. Hommema, Lagos, NG;
Joseph L. Feimer, Bright's Grove, CA;
Assignee:
ExxonMobil Upstream Research Company, Houston, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 43/34 (2006.01); E21B 43/40 (2006.01); G01N 33/28 (2006.01);
U.S. Cl.
CPC ...
G01N 33/2823 (2013.01);
Abstract
The present disclosure relates to solvent surveillance in heavy oil production. A method includes the steps of measuring an amount of a native bitumen marker (NBM) in a heavy oil, measuring an amount of the NBM in a recovery-aid solvent, measuring an amount of the NBM in a blend including the heavy oil and the recovery-aid solvent, and applying a blending model to determine a fraction of the recovery-aid solvent in the blend.