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  • Collaboration adds MPD functionality to deepwater rig

    G. Feasey, N. Richard, M. Tindle and B. Garrett

    An operator, drilling contractor and service company collaborated on the conversion of an “open-to-atmosphere” deepwater rig, to provide full managed pressure and closed loop drilling capabilities.  

  • Lightweight risers increase rigs’ water depth ratings

    J. Lehner and T. Marvel

    The deepwater, lightweight riser system, incorporating improvements derived from nearly a decade of operation, can extend the water depth range of rigs to 8,000 ft.

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