B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
B01F 17/56 (2006.01) B01F 17/00 (2006.01) C09K 8/28 (2006.01) C09K 8/36 (2006.01) C09K 8/60 (2006.01) C09K 8/64 (2006.01) C09K 8/86 (2006.01)
Patent
CA 2088697
Described is the use of surface-active alkyl glycoside compounds as ecologically compatible emulsi- fiers of the W/O type and O/W type, respectively, in fluid and pumpable drilling fluids and other fluid drilling-hole treatment agents which comprise a con- tinuous or a dispersed oil phase together with an aqueous phase and which are suitable for an environment- ally acceptable exploitation of geological resources, for example oil or natural gas deposits. The invention further relates to inverted drilling fluids which are suitable for a non-polluting exploit- ation of geological resources and contain a continuous oil phase and, present therein, a dispersed aqueous phase together with emulsifiers, further conventional auxiliary agents such as thickeners, fluid-loss addit- ives, weighting agents, water-soluble salts and/or alkali reserves, said inverted drilling fluids being characterized in that they contain surface-active alkyl glycoside compounds of formula (I) as emulsifier or as an emulsifier component together with an ecologically compatible continuous oil phase.
Herold Claus-Peter
Mueller Heinz
Weuthen Manfred
Borden Ladner Gervais Llp
Cognis Deutschland Gmbh & Co. Kg
Henkel Kommanditgesellschaft Auf Aktien
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