Channel Energy Services LLC

Ryan Energy Technologies USA provides horizontal and directional drilling technology and services. The company s services include horizontal and directional well construction and technical support; directional drilling engineering and comprehensive well planning; and horizontal and directional drilling field supervision. It also provides measurement while drilling and logging while drilling systems; downhole positive displacement drilling motors; and Tru Vu well site data management systems. The company is a subsidiary of Nabors Industries, which owns and operates nearly 600 land drilling and 970 land workover and well servicing rigs throughout the world. Offshore, Nabors operates more than 40 platforms, 17 jack-ups and three barge rigs in the domestic and international markets. Ryan Energy Technologies USA is located in Houston.

Patterson-UTI Energy provides onshore contract drilling services to exploration and production companies in North America. Its corporate office is located in Snyder, Texas, and it owns more than 400 land-based drilling rigs, that operate in oil and natural gas producing regions of Texas, New Mexico, Oklahoma, Louisiana, Mississippi, Colorado, Utah, Wyoming, Montana, North Dakota, South Dakota and western Canada. The company is also engaged in the businesses of pressure pumping services, and drilling and completion fluid services. In addition, Patterson-UTI Energy has an oil exploration and production business, and this business is affected occasionally by factors, such as weather conditions.