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:
Mar. 13, 1984
Filed:
Jan. 18, 1982
Luke S Gournay, Rockwall, TX (US);
Mobil Oil Corporation, New York, NY (US);
Abstract
A method of identifying potential low water cut hydrocarbon producing zones in a sand or sandstone formation by logging the formation to determine its permeability and porosity values and generating from said two sets of values a log of specific surface areas of the formation. The aforesaid zones may be identified directly from the specific surface area log as being those regions in which the specific surface areas are about 500 m.sup.2 /cm.sup.3 bulk volume or more. Alternatively or additionally, the specific surface area log may be used to determine irreducible water saturation values of the formation which can then be compared with fractional water saturation values. The aforesaid zones are those in which the irreducible water saturation values approximate or exceed the fractional water saturation values.