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. 21, 2017
Filed:
May. 10, 2012
Soren Frank, Doha, QA;
Soren Frank, Doha, QA;
Maersk Olie og Gas A/S, , DK;
Abstract
A method for enhanced oil recovery in an underground reservoir involving use of system including at least one injection well having an injection pump for establishing an injection stream, the injection pump includes a carrier system and an enzyme system; at least one production well having at least one fluid output; a mixed injection stream through the at least one injection well including a first injection stream having a flow rate Sproduced by the carrier system and a second injection stream having a flow rate Sproduced by the enzyme system; a concentration of enzyme Cin the mixed injection stream established using the formula where Cand Care the enzyme concentration of the first and second injection streams; and an underground water stream in fluid connection with the injection well and production well, the stream including water injected by the carrier system and enzyme solution injected by the enzyme system.