Back to results
US 2012/0071368 A1Published application
Drilling Fluid for Enhanced Rate of Penetration
AssigneeSuncor Energy Inc.
InventorMichael Fefer
Life of this patent
Estimating the term…
Abstract
A drilling fluid is provided which results in an enhanced rate of penetration, and more particularly, a drilling mud composition is provided with a reduced ester content which maintains an enhanced rate of penetration.
Claims2
A drilling fluid comprising:
- an organic phase comprising between about 20 wt. % to about 95 wt. % of at least one saturated hydrocarbon based on the total weight of the organic phase;
- and
- about 5 wt. % of ester based on the total weight of the organic phase.
2-8. (canceled)
Dependencies are inferred from the claim text.