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US 2019/0055447 A1Published application
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
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Abstract
Embodiments are directed to a surfactant of formula (V) and formula (VI). The surfactants have the following structures:
Claims5
A surfactant of formula (V):
- where:
- R1b is a —H, alkyl, aryl, alkyl substituted aryl, or aryl substituted alkyl;
- and
- x is an integer from 21 to 453.
1 more element
Dependencies are inferred from the claim text.