Field experience with sulfide corrosion cracking of production equipment, particularly tubing and casing, in sour gas-condensate and high pressure sour oil wells is summarized along with data from recent field tests. Preventive measures are described including selection of materials with minimum susceptibility to cracking and use of inhibitors. Laboratory and field test methods are reviewed.

General status of the sulfide corrosion cracking problem as it exists is described and future problems involved in very deep sour wells are considered.

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