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:
Feb. 21, 2017
Filed:
Nov. 19, 2010
Applicants:
Quan Chen, Sunbury on Thames, GB;
Ian Ralph Collins, Sunbury on Thames, GB;
Inventors:
Quan Chen, Sunbury on Thames, GB;
Ian Ralph Collins, Sunbury on Thames, GB;
Assignee:
BP EXPLORATION OPERATING COMPANY LIMITED, Middlesex, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 3/32 (2006.01);
U.S. Cl.
CPC ...
G01V 3/32 (2013.01);
Abstract
method of comparing a secondary oil recovery process with a tertiary oil recovery process, the secondary oil recovery process and the tertiary oil recovery process being applied to a substantially fluid-saturated porous medium containing an oil phase and an aqueous phase. The method comprising using relaxation time measurements in the calculation of a wettability index modification factor for the oil phase or the aqueous phase, thereby comparing the tertiary oil recovery process with the secondary oil recovery process.