This DTH drilling rig is specifically designed for photovoltaic foundation pile holes. It is equipped with an 86kW engine and a high-efficiency desert air filter, supporting a maximum drilling diameter of 500mm.
[pdf] Patterson-UTI will add 16 super-spec drilling rigs from Pioneer to its current U.S. fleet of 150 super-spec rigs. Patterson, second largest drilling contractor in U.S., said the deal enhances its focus on reducing emissions with additional rigs capable of using natural gas as primary fuel source.
[pdf] The company was founded in 1966 in as Pride Oilwell Service Company. In 1978, the company was acquired by Dekalb Corporation. In August 1988, the company was spun out as a . In 1996, the company acquired Quitral-Co. Saic, the largest drilling contractor in , for $140 million. It also acquired Forasol-Foramer. It also sold its land based operations.
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