Corrosion caused by elevator and spider marks on CRA pipe: Comparison of conventional inserts and a new gripping system
Journal Article
·
· JPT, Journal of Petroleum Technology
OSTI ID:500973
Corrosion-resistant alloys (CRA) are used to reduce corrosion damage to casing and tubing strings and prolong the life span of the well pipe. An analysis of various corrosion mechanisms shows that surface integrity is an important factor in corrosion prevention. Surface damage caused by inappropriate handling or conventional slip markings contribute directly to the development and propagation of corrosion. A newly developed gripping system distributes the load equally onto a large number of small peaks, minimizing the indentation of each single peak. The new gripping system does not damage the surface integrity of the pipe, virtually eliminating the corrosion potential.
- OSTI ID:
- 500973
- Journal Information:
- JPT, Journal of Petroleum Technology, Vol. 49, Issue 5; Other Information: PBD: May 1997
- Country of Publication:
- United States
- Language:
- English
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