TY - SER AU - Callais,Ryckman C. AU - Butler,Jaime L. TI - GOM deepwater case studies: Hybrid bit minimizes vibrations, increases ROP, directional control PY - 2016/// CY - PB - N1 - In one application, 14 ¾-in. hybrid bit drilled 8,277-ft intermediate subsalt section while averaging 150 ft/hr on-bottom ROP ER -