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:
Jul. 14, 2020
Filed:
Apr. 10, 2019
Chevron U.s.a. Inc., San Ramon, CA (US);
Adwait Chawathe, Sugar Land, TX (US);
Nariman Fathi Najafabadi, Sugar Land, TX (US);
Jagannathan Mahadevan, Sugar Land, TX (US);
CHEVRON U.S.A. INC., San Ramon, CA (US);
Abstract
Embodiments herein select a brine composition to be injected into a formation to alter wettability at a surface of the formation to enhance recovery of hydrocarbons from the formation. One embodiment comprises providing: a plurality of substrates representative of a formation, a plurality of brine compositions, and a plurality of reducing agents characterized as yielding oxyanions when added to an aqueous stream. The embodiment comprises selecting a brine composition with at least one reducing agent to be injected into the formation to alter wettability at a surface of the formation to enhance recovery of hydrocarbons from the formation and injecting the selected brine composition into the formation to alter wettability at the surface of the formation to enhance recovery of the hydrocarbons from the formation. The brine composition is selected based on interactions between the plurality of substrates, the plurality of brine compositions, and the plurality of reducing agents.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile