Seventy Seven Energy was a diversified oilfield services company that provided drilling, hydraulic fracturing, and equipment rental services to oil and gas exploration and production companies in the United States. The company operated three main business segments: land-based drilling services, hydraulic fracturing and well stimulation services, and premium oilfield equipment rentals. Seventy Seven Energy was acquired by Patterson-UTI Energy in April 2017 and now operates as a subsidiary.