Back to results
US 2026/0193511 A1Published application
Drilling fluids utilizing a salt-tolerant lubricant and methods of use therefor
AssigneeSaudi Arabian Oil Company
InventorsAhmet Atilgan, Georgesha Ross, Nicholas Osorio Labrador, Mohamed Hamed, Qusai Darugar
Life of this patent
Estimating the term…
Abstract
A drilling fluid utilizing a salt-tolerant lubricant may comprise an aqueous solution comprising saltwater, seawater, brine, or combinations thereof; and a salt-tolerant lubricant comprising an organic component and an ionic liquid, wherein the ionic liquid comprises a fatty acid ester and an alkyl amine alkyl benzene sulfonate.
Claims20
A drilling fluid utilizing a salt-tolerant lubricant, the drilling fluid comprising:
- an aqueous solution comprising saltwater, seawater, brine, or combinations thereof;
- and
- a salt-tolerant lubricant comprising an organic component and an ionic liquid, wherein the ionic liquid comprises a fatty acid ester and an alkyl amine alkyl benzene sulfonate.
A method of forming a salt-tolerant lubricant, the method comprising:
- mixing an alkyl benzene sulfonate and an amine in an alcohol solvent to form a first mixture;
- evaporating the alcohol solvent from the first mixture to form an alkyl amine alkyl benzene sulfonate;
- and
- mixing a fatty acid ester and the alkyl amine alkyl benzene sulfonate in an organic component to form the salt tolerant lubricant.
1 more element
A salt tolerant lubricant, the salt tolerant lubricant comprising:
- an organic component;
- and
- an ionic liquid comprising an alkyl amine alkyl benzene sulfonate.
Dependencies are inferred from the claim text.