Karl Blanchard

Seventy Seven Energy, Inc. engages in the provision of upstream services, including drilling, pressure pumping, trucking, oilfield rental tools, rig relocation, and water transport and disposal. It operates through the following segments: Drilling, Hydraulic Fracturing, and Oilfield Rentals. The Drilling segment, through the Nomac Drilling, L.L.C., provides land drilling services for oil and natural gas exploration and production activities. The Hydraulic Fracturing segment, through the Performance Technologies, L.L.C., offers high-pressure hydraulic fracturing services and other well stimulation services. The Oilfield Rentals segment, through the Great Plains Oilfield Rental, L.L.C., supplies premium rental tools and specialized services for land-based oil and natural gas drilling, completion, and work over activities. The company was founded on September 9, 2011 and is headquartered in Oklahoma City, OK.

PT Halliburton Indonesia provides products and services to the energy industry for exploring, developing and producing oil and natural gas. The private company is based in Jakarta, Indonesia.

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

Ocean Rid UDW, Inc. is a holding company, which engages in offshore drilling operations. Through its subsidiaries, it provides oilfield services for offshore oil and gas exploration, development, and production drilling, specializing in the ultra-deepwater and harsh-environment segment of the offshore drilling industry. It owns and operates offshore ultra deepwater drilling units, comprised of ultra deepwater semisubmersible drilling rigs and ultra deepwater drilling ships. The company was founded on December 10, 2007 and is headquartered in Nicosia, Cyprus.