Oilfield Glossary
Oilfield Glossary
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corrosion-resistant alloy (CRA)

1. n. [Well Completions]
A specially formulated material used for completion components in wells likely to present corrosion problems. Corrosion-resistant alloys can be formulated for a wide range of aggressive wellbore conditions. However, cost generally determines the viability of any particular completion design. Alloys with a high chrome content are commonly used for tubing strings.