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US 10,870,788 B2Granted
Thermally stable surfactants for oil based drilling fluids
AssigneesSaudi Arabian Oil Company, Durham University
InventorsMona Al Batal, Andrew Whiting, Hugh Christopher Greenwell, John Adrian Hall, Gasan Selman Alabedi
Life of this patent
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Abstract
Embodiments are directed to a surfactant of formula (I) and incorporation of one or more surfactants into drilling fluids. The surfactant having the following structure:
Claims5
A surfactant of formula (I):
- where
- R1a is a —H, alkyl, or aryl;
- x is an integer from 21 to 453;
- R2 is alkyl or aryl.
1 more element
Dependencies are inferred from the claim text.