(79913)_Understanding_Formation_(In)Stability_During_Cementi(7)

钻井固井

SPE/IADC 79913

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Fig. 1A—Hole section above 9 /8-in. casing shoe averaged 12.5 in.

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Fig. 1B—Severe washout in rathole below 9 /8-in. casing shoe.

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Fig. 2A—Offset well, hole section above 9 /8-in. casing shoe averaged 12.3 in.

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