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US 2017/0247601 A1Published application
Method for inhibiting sulfide stress cracking of metals
AssigneeHalliburton Energy Services, Inc.
InventorsChen Gong, Juanita Cassidy, Jim L. Lane
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Abstract
The invention provides a method, composition, and system for inhibiting sulfide stress cracking of metal that is exposed to aqueous sulfide and aqueous acid, and optionally brine, where the composition comprises cinnamaldehyde, benzaldehyde, lauryl alcohol ethoxylate (23 mol), and dimethylcocoalkylamine oxide.
Claims24
A method of inhibiting sulfide stress cracking of metal in a subterranean formation, the method comprising contacting a metal with a composition comprising:
- cinnamaldehyde;
- benzaldehyde;
- lauryl alcohol ethoxylate (23 mol);
- and
- dimethylcocoalkylamine oxide;
- wherein the metal is exposed to an aqueous sulfide and an aqueous acid.
3 more elements
Dependencies are inferred from the claim text.