P.E. Pilkington Conoco Inc. Houston Evaluating cement between two strings of casing can be a problem. The signal from the outer string of casing can interfere with amplitude measurement if the inner ...
Use of nitrogen-foamed spacers is a proven mitigation technique for wells with potential problems with annular pressure buildup (APB). In late 1999, BP PLC experienced a well failure in the Marlin ...
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