Mud management, special slurries improve deepwater cementing operations

James Griffith,Halliburton Energy Services Inc. Duncan, Okla. Ronnie Faul Halliburton Energy Services Inc. New Orleans Successful deepwater cementing requires improved mud-management techniques to reduce fluid loss, shorten slurry transition times, and make mud and cement slurry weights compatible with formation pore pressure and fracture gradients. If any one of these conditions is not met, the cementing job is less likely to be successful. Previous attempts to drill in deep water have had a low success rate, and failures have cost operators an average $2 million/well. By using new mud-management techniques and specially designed cement mixtures, operators in th...

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