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:
Oct. 11, 1977
Filed:
Sep. 29, 1976
Robert P Murphy, Tulsa, OK (US);
Wiliam W Owens, Tulsa, OK (US);
Standard Oil Company (Indiana), Chicago, IL (US);
Abstract
A procedure for obtaining data to determine both residual and mobile oil saturations in the vicinity of a test well. The steps are (1) drill with oil or oil-base mud, (2) produce to remove oil filtrate, (3) run laterolog, microlaterolog and pulsed neutron capture log, (4) inject high salinity water, (5) run a second microlaterolog and pulsed neutron capture log, (6) inject fresh water, and (7) run a third pulsed neutron capture log. The data obtained from the logs of the procedure is sufficient to determine the residual oil saturation, the capture cross section of the rock matrix, the saturation exponent, the salinity of the water in the formation after production, and mobile oil saturation both in the oil filtrate invaded zone and beyond the invaded zone.