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:
May. 12, 2015
Filed:
Mar. 15, 2013
Applicants:
Pallav Sarma, San Ramon, CA (US);
Wen Hsiung Chen, Danville, CA (US);
Inventors:
Pallav Sarma, San Ramon, CA (US);
Wen Hsiung Chen, Danville, CA (US);
Assignee:
Chevron U.S.A. Inc., San Ramon, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06G 7/48 (2006.01); G06G 7/50 (2006.01); G06F 17/50 (2006.01); G01V 99/00 (2009.01);
U.S. Cl.
CPC ...
G06F 17/5009 (2013.01); G01V 99/005 (2013.01); G01V 2210/665 (2013.01);
Abstract
A computer-implemented method, system, and computer program product are disclosed for updating simulation models of a subterranean reservoir. An ensemble of reservoir models representing a subterranean reservoir having non-Gaussian characteristics is provided and the ensemble of reservoir models is updated using a subspace ensemble Kalman filter. Kemal principle component analysis parameterization or K-L expansion parameterization can be used to update the ensemble of reservoir models.