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US 6,806,235 B1Granted
Lubricants for drilling fluids
AssigneeCognis Deutschland GmbH & Co. KG
InventorsHeinz Mueller, Claus-Peter Herold, Frank Bongardt, Nadja Herzog, Stephan von Tapavicza
Life of this patent
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Abstract
A process for imparting lubricity to an aqueous drilling fluid used in geological exploration involving: (a) providing an aqueous drilling fluid; (b) providing a lubricant component containing a partial glyceride of predominantly unsaturated fatty acids having from about 16 to 24 carbon atoms; and (c) introducing the partial glyceride into the aqueous drilling fluid.
Claims12
A process for imparting lubricity to an aqueous drilling fluid used in geological exploration comprising:
- (a) providing an aqueous drilling fluid;
- (b) providing a lubricant component containing a partial glyceride derived from a tall oil fatty acid;
- and
- (c) introducing the partial glyceride into the aqueous drilling fluid.
1 more element
Dependencies are inferred from the claim text.