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US 2018/0148632 A1Published application
Composition for remediating iron sulfide in oilfield production systems
AssigneeEcolab USA Inc.
InventorsBrian Michael Bennett, Kim R. Solomon, Carter Silvernail
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Abstract
A composition for inhibiting corrosion and/or removing hydrocarbonaceous deposits in oil and gas applications is provided. The composition comprises an iron sulfide dissolver, an organic solvent, and a corrosion inhibitor.
Claims29
A composition for inhibiting corrosion and/or removing hydrocarbonaceous deposits in oil and gas applications, the composition comprising:
- an iron sulfide dissolver comprising allaric acid, altaric acid, altraric acid, altronic acid, arabinaric acid, arabinonic acid, dihomocitric acid, fructuronic acid, fuconic acid, galactaric acid, galactonic acid, galacturonic acid, glucaric acid, glucoheptonic acid, gluconic acid, glucuronic acid, gulonic acid, homocitric acid, homoisocitric acid, idaric acid, idonic acid, iduronic acid, isocitric acid, mannaric acid, mannonic acid, octulosonic acid, rhamnonic acid, ribonic acid, tagaturonic acid, xylonic acid, or xyluronic acid, or a salt or derivative thereof, or a combination thereof;
- an organic solvent;
- and
- a corrosion inhibitor comprising an imidazoline compound, a quaternary ammonium compound, a pyridinium compound, or a combination thereof.
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Dependencies are inferred from the claim text.