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US 11,629,281 B2Granted
Methods and systems associated with lubricant for drilling fluids
AssigneeScidev Energy Services, Inc.
InventorShawn Lu
Life of this patent
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Abstract
A composition of a lubricant including a GTL hydrocarbon, fatty acid amine, and styrene block polymer.
Claims5
A lubricant composition comprised of:
- water;
- a lubricant including a gas to liquid hydrocarbon,
- a fatty acid polyamine, and
- a styrene block polymer, the lubricant being formed of five to eighty percent of the gas to liquid hydrocarbon and less than one percent styrene block polymer, wherein the water is mixed with the lubricant to form a water based drilling fluid, the water based drilling fluid including at least three percent of the lubricant, wherein water based drilling fluid is configured to lubricate a metal surface within an annulus between a wellbore and tubing by reducing a friction co-efficient of the metal surface by at least fifty percent.
1 more element
A method of forming a lubricant comprising:
- forming a lubricant by mixing a gas to liquid hydrocarbon, a styrene block polymer, and a fatty acid polyamine;
- pumping the lubricant downhole with water to form a water based drilling fluid, the lubricant being formed of five to eighty percent of the gas to liquid hydrocarbon and less than one percent styrene block polymer, wherein the water is mixed with the lubricant to form a water based drilling fluid, the water based drilling fluid including at least three percent of the lubricant;
- lubricating, via the water-based drilling fluid, a metal surface within an annulus between a wellbore and tubing by reducing a friction co-efficient of the metal surface by at least fifty percent.
Dependencies are inferred from the claim text.