Lubricant for drilling fluids
1998
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 DEG C, optionally mixed with anionic tensides, as lubricants in drilling fluids such as those used for exploratory drilling that contain water and a separate oil phase.
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