Now showing items 1-2 of 2
Process of using hard brine at high alkalinity for enhanced oil recovery (EOR) applications
(United States Patent and Trademark Office, 2012-05-29)
The present invention describes the use of EDTA and/or alkali treated hard brine at high pH for making ASP formulations for EOR applications.
Compositions and methods for treating a water blocked well using a nonionic fluorinated surfactant
(United States Patent and Trademark Office, 2012-03-20)
The present invention includes a method of treating a hydrocarbon-bearing clastic formation having non-connate water by contacting the hydrocarbon-bearing clastic formation with a composition that includes a solvent and a ...