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US 10,329,476 B2Granted
Non-regulated synthetic acid compositions for use as alternatives to conventional acids in the oil and gas industry
AssigneeFluid Energy Group Ltd.
InventorsClay Purdy, Darren Thatcher, Jon Garner, Bruce Ulmer, Alexander David Jamieson
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Abstract
A synthetic acid composition for use in oil industry activities comprising urea and methanesulphonic acid in a molar ratio of not loss than 1.0:1, a metal iodide or iodate and an alcohol or derivative thereof.
Claims14
A synthetic acid composition for use in oil industry activities, said composition comprising:
- water, urea and methanesulphonic acid, wherein no less than 97% of the weight of the composition is comprised of the water, the urea and the methanesulphonic acid and the urea and the methanesulphonic acid have a molar ratio of not less than 1.0:1;
- a metal iodide or iodate in an amount of no more than 1% by weight of the weight of the composition;
- and
- a corrosion inhibitor, wherein said corrosion inhibitor comprises—an alcohol or derivative thereof in an amount of no more than 1% by weight of the weight of the composition,
- wherein the synthetic acid composition has a pH less than 1.0 and a shelf life of greater than 12 months.
2 more elements
Dependencies are inferred from the claim text.