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, 2009
Filed:
May. 10, 2006
Bernard Montaron, Clamart Cedex, FR;
Bernard Montaron, Clamart Cedex, FR;
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
The invention discloses a method for determining the wettability of an underground formation traversed by a borehole, the method comprising: determining the critical water fraction of the underground formation; determining the critical water fraction of the underground formation taken entirely oil-wet, which is called the oil-wet critical water fraction; and combining the critical water fraction and the oil-wet critical water fraction in order to determine the wettability of the underground formation.
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