	US 12,227,694 B2
	Microbial products and uses thereof to improve oil recovery
Sean Farmer, Ft. Lauderdale, FL (US); Ken Alibek, Solon, OH (US); Sharmistha Mazumder, Copley, OH (US); Kent Adams, Oro Valley, AZ (US); Tyler Dixon, Madison, OH (US); Yajie Chen, Solon, OH (US); and Maja Milovanovic, North Royalton, OH (US)
Assigned to LOCUS SOLUTIONS IPCO, LLC, Solon, OH (US)
Filed by Locus Solutions IPCo, LLC, Solon, OH (US)
Filed on Aug. 5, 2022, as Appl. No. 17/882,138.
Application 17/882,138 is a continuation of application No. 16/490,187, granted, now 11,414,591, previously published as PCT/US2018/026724, filed on Apr. 9, 2018.
Claims priority of provisional application 62/483,425, filed on Apr. 9, 2017.
Prior Publication US 2022/0389303 A1, Dec. 8, 2022
Int. Cl. C09K 8/582 (2006.01); C09K 8/584 (2006.01); C09K 8/588 (2006.01)

CPC C09K 8/582 (2013.01) [C09K 8/584 (2013.01); C09K 8/588 (2013.01)]

3 Claims

1. A method for stimulating the flow of oil from an oil-bearing formation, wherein the method comprises applying to the formation a sophorolipid biosurfactant produced by Starmerella bombicola and a fermentation medium in which the sophorolipid was produced, said fermentation medium comprising inactive yeast cellular components; wherein said method further comprises applying to the formation ethylenediaminetetraacetic acid (EDTA) as a chelating agent; at least one solvent that is isopropyl alcohol or ethanol; and a C8-C18 ethoxylated alcohol.