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 ...
BHP Billiton Petroleum eliminated an intermediate casing string in a Permian basin pilot by switching to an oil-based mud (OBM) from a water-based mud. BHP Billiton Petroleum eliminated an ...
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