ULTRAFINE CEMENT SEALS SLOW LEAK IN CASING COLLAR

Doug MacEachern Shell Offshore Inc. New Orleans Stephen C. Young Halliburton Services Harvey, La. An ultrafine cement squeeze effectively sealed a difficult casing collar leak in the protective casing in a deep, high-temperature well in Mobile Bay. The leak was sealed in one operation without perforating the casing, giving greater confidence in casing integrity and allowing the well to be drilled to total depth (TD). Restoring pressure integrity of the casing with this procedure saved

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