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US 2014/0213489 A1Published application
Drilling fluid and methods
AssigneeCanadian Energy Services L.P.
InventorCARL KEITH SMITH
Life of this patent
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Abstract
A drilling fluid comprising: a non-ionic surfactant including: a branched alcohol ethoxylate and/or a capped alcohol ethoxylate; and a detergent builder.
Claims19
A drilling fluid comprising:
- 0.01 to 0.5% by weight of (i) a branched alcohol ethoxylate and/or (ii) a capped alcohol ethoxylate;
- and 0.01% to 0.5% by weight of a detergent builder.
-55. (canceled)
Dependencies are inferred from the claim text.