Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Patent
1997-09-18
2000-02-08
Tucker, Philip
Earth boring, well treating, and oil field chemistry
Well treating
Contains organic component
507211, 507234, 507244, 507245, 507260, 507261, 507265, 507266, 507268, 175 66, C09K 300, C09K 700
Patent
active
060228334
ABSTRACT:
The invention relates to flowable and pumpable multicomponent mixtures based on a multiphase mixture of water and oil containing emulsifiers and, if desired, other soluble, emulsifiable and/or dispersible auxiliaries for their use in exploration by drilling and/or for the further treatment of the wells thus drilled. The invention is characterized by the use of emulsifiers or emulsifier systems which, in the particular multicomponent mixture in question, lead to temperature-controlled phase inversion at a phase inversion temperature (PIT) in a temperature range of which the upper limit is so far below the working temperature of the multicomponent mixture in geological exploration that the water-based part of the multicomponent mixture is present as a disperse (invert) phase in the continuous oil phase (w/o invert emulsion) while the lower limit of this temperature range enables the multicomponent mixture to be converted into an o/w emulsion with a continuous aqueous phase. At least partly nonionic emulsifiers or emulsifier systems with a PIT of 0 to 100.degree. C. are particularly suitable. The invention enables the requirements in regard to technical performance, ecological compatibility and cost/effectiveness ratio to be optimally satisfied.
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Claas Marcus
Foerster Thomas
Fues Johann-Friedrich
Herold Claus-Peter
Mueller Heinz
Grandmaison Real J.
Henkel Kommanditgesellschaft auf Aktien
J. Murphy Glenn E.
Jaeschke Wayne C.
Tucker Philip
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