METHODS, STRAINS, AND COMPOSITIONS USEFUL FOR MICROBIALLY ENHANCED OIL RECOVERY: PSEUDOMONAS STUTZERI

Methods, microorganisms, and compositions are provided wherein oil reservoirs are inoculated with microorganisms belonging to Pseudomonas stutzeri and medium including an electron acceptor. The Pseudomonas stutzeri grow in the oil reservoir to form plugging biofilms that reduce permeability in areas...

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Main Authors HENDRICKSON, EDWIN, R, REES, BETHANY C, FALLON, ROBERT, D, KEELER, SHARON, JO, JACKSON, SCOTT, CHRISTOPHER
Format Patent
LanguageEnglish
French
Published 28.06.2012
Subjects
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Summary:Methods, microorganisms, and compositions are provided wherein oil reservoirs are inoculated with microorganisms belonging to Pseudomonas stutzeri and medium including an electron acceptor. The Pseudomonas stutzeri grow in the oil reservoir to form plugging biofilms that reduce permeability in areas of subterranean formations thereby increasing sweep efficiency, and thereby enhancing oil recovery. L'invention concerne des procédés, des microorganismes et des compositions, dans lesquels des réservoirs de pétrole sont inoculés par des microorganismes appartenant à Pseudomonas stutzeri, et un milieu comprenant un accepteur d'électrons. Les Pseudomonas stutzeri se multiplient dans le réservoir de pétrole pour former des biofilms de colmatage qui réduisent la perméabilité dans les zones de formations souterraines, augmentant ainsi l'efficacité de balayage, et par conséquent augmentant la récupération du pétrole.
Bibliography:Application Number: WO2011US58729