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US 2019/0153287 A1Published application
Invert emulsion drilling fluids
AssigneeSaudi Arabian Oil Company
InventorsVikrant Bhavanishankar Wagle, Abdullah Saleh Hussain Al-Yami
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Abstract
A composition includes an oil phase; a water phase emulsified in the oil phase; a viscosifier including a carbon chain and a polar group disposed along the carbon chain; and a hydrophobic nanomaterial having an average particle size of less than about 1 μm. The hydrophobic nanomaterial including a silane or siloxane molecule having a nonpolar chain disposed on a surface thereof.
Claims20
A method comprising:
- combining a viscosifier and a hydrophobic nanomaterial in an oil phase, the viscosifier including a carbon chain and a polar group disposed along the carbon chain, the hydrophobic nanomaterial having an average particle size of less than about 1 the hydrophobic nanomaterial including a silane or siloxane molecule having a nonpolar chain disposed on a surface thereof;
- and
- forming a composition including an emulsion of water in the oil phase having the viscosifier and the hydrophobic nanomaterial.
Dependencies are inferred from the claim text.