E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
31/26, 166/32
E21B 43/22 (2006.01) C09K 8/90 (2006.01) C12N 1/28 (2006.01) C12P 19/12 (2006.01)
Patent
CA 1119794
Abstract of the Disclosure The invention relates to a method of flooding petroleum wells and oil sands using a non-ionic surface active agent in water as the flooding medium. In a gasified bio-reactor there are produced glycolipids from a culture of micro-organisms using hydrocarbons and added nutrients under specified conditions. The formed glycolipids are separated from the cellular mass and the aqueous phase, with the formed glycolipids dispersed therein, is used as flooding medium or as an ingredient of the flooding medium.
321267
Bock Hans
Gebetsberger Wilhelm
Lindorfer Walter
Rapp Peter
Schulz Walther
Fetherstonhaugh & Co.
Gesellschaft Fur Biotechnologische Forschung M.b.h.
Wintershall Aktiengesellschaft
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