C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/06 (2006.01) C09K 8/035 (2006.01) C10M 105/38 (2006.01)
Patent
CA 2351376
The invention relates to the use of partial glycerides of predominantly unsaturated C16-24- fatty acids, preferably with a pour point measured according to DIN ISO 3061 of max. 10 °C, optionaliy mixed with anionic tensides, as lubricants in drilling fluids such as those used for exploratory drilling that contain water and a separate oil phase.
L'invention concerne l'utilisation de glycérides partiels d'acides gras C16-24- surtout insaturés, de préférence, avec un point d'écoulement mesuré selon la norme DIN ISO 3061 de 10 DEG C maximum, éventuellement en mélange avec des tensioactifs anioniques, comme lubrifiants dans de tels produits liquides de forage destinés à la désintégration de la terre et contenant de l'eau et éventuellement une phase huile séparée.
Bongardt Frank
Herold Claus-Peter
Herzog Nadja
Muller Heinz
von Tapavicza Stephan
Cognis Deutschland Gmbh
Cognis Oleochemicals Gmbh
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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