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  • Optimizing extended reach drilling in deepwater West Africa


    Hernando Jerez, Rafael Dias And Jim Tilley

    An optimized BHA, detailed planning and advanced modeling enabled the team to drill the ERD well with a single BHA per interval. A challenging 12¼-in. tangent interval was drilled to reach the top of the pay zone keeping an 85° sail angle, setting a regional record of 11,150 ft flawlessly drilled from casing to casing in a single run.

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