E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
195/40, 195/48,
E21B 33/138 (2006.01) C12N 1/20 (2006.01) E21B 43/22 (2006.01)
Patent
CA 1309366
ABSTRACT OF THE DISCLOSURE The present invention is a bacteria and its use in a Microbial Enhanced Oil Recovery (MEOR) process. Any one of two newly isolated strains of bacteria are injected, along with a nutrient solution, downhole in a petroleum reservoir to modify its profile. This bacteria has the capability to plug the zones of higher permeability within the reservoir so that a subsequent waterflood may selec- tively enter the oil bearing less permeable zones. The injected water is used to drive this oil to an area where it may then be recovered.
547976
Acheson Willard P.
Bunting Pamela M.
Moon William G.
Silver Richard S.
Chevron Research And Technology Company
Sim & Mcburney
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