Lubricants for water-based drilling fluids
First Claim
Patent Images
1. A lubricant package for water based drilling fluids, the lubricant package consisting essentially of:
- water;
a polyethylene glycol; and
a lubricating agent comprising triethanolamine, or a C12-C14 alcohol ethoxylate, ora combination of triethanolamine and C12-C14 alcohol ethoxylate,in which the weight ratio of the polyethylene glycol to the lubricating agent in the lubricant package is from 1;
2 to 2;
1.
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Accused Products
Abstract
Embodiments are directed to a lubricant package for water based drilling fluids. The lubricant package includes water, a polyethylene glycol, and a lubricating agent. The lubricating agent includes triethanolamine, or a C12-C14 alcohol ethoxylate, or a combination of triethanolamine and C12-C14 alcohol ethoxylate. The weight ratio of the polyethylene glycol to the lubricating agent in the lubricant package is from 1:2 to 2:1. Embodiments are also directed to a water-based drilling fluid composition including an aqueous base fluid, one or more additives, and the lubricant package for water based drilling fluids.
143 Citations
20 Claims
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1. A lubricant package for water based drilling fluids, the lubricant package consisting essentially of:
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water; a polyethylene glycol; and a lubricating agent comprising triethanolamine, or a C12-C14 alcohol ethoxylate, or a combination of triethanolamine and C12-C14 alcohol ethoxylate, in which the weight ratio of the polyethylene glycol to the lubricating agent in the lubricant package is from 1;
2 to 2;
1.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A water-based drilling fluid composition comprising:
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an aqueous base fluid; one or more additives chosen from a weighting material, a fluid-loss control additive, a viscosifier, and an alkali compound; and a lubricant package consisting essentially of; water; a polyethylene glycol; and a lubricating agent comprising triethanolamine, or a C12-C14 alcohol ethoxylate, or a combination of triethanolamine and C12-C14 alcohol ethoxylate, in which the weight ratio of the polyethylene glycol to the lubricating agent is from 1;
2 to 2;
1. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification