Wells – Processes – Using microorganisms
Patent
1979-03-23
1981-09-01
Novosad, Stephen J.
Wells
Processes
Using microorganisms
166266, 166275, 252 855D, 435316, E21B 4322, C12M 102
Patent
active
042866600
ABSTRACT:
A process and installation for the flooding of petroleum deposits and oil shale and, more particularly, through the use of dispersions of non-ionogenic, boundary surface-active materials in water as the flooding medium. For the flooding of petroleum-hydrocarbon materials from petroleum deposits and oil shale there can be utilized dispersions of non-ionogenic, boundary surface-active glycolipids, and such preferred structures can be employed which are produced from hydrocarbon mixtures as the C-source. This is effected in two stages with predetermined technological measures. In the first stage, there are initially produced glycolipids through microorganisms with alkane mixtures under predetermined parameters in semi- or continual process cycles and, in the second stage, separated from the cellular material through temperature, pH, osmotic shock. The formed glycolipids can also be separated from the cellular material with unpolarized, organic solvent media.
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patent: 2413278 (1946-12-01), Zobell
patent: 3020206 (1962-02-01), Patton et al.
patent: 3114707 (1963-12-01), Hodge
patent: 3201327 (1965-08-01), Beck
patent: 3340930 (1967-09-01), Hitzman
patent: 4096073 (1978-06-01), Hitzman
Bock Hans
Gebetsberger Wilhelm
Lindorfer Walter
Rapp Peter
Schulz Walther
Gesellschaft fur Biotechnologische Forschung GmbH
Novosad Stephen J.
Suchfield George A.
Wintershall Aktiengesellschaft
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