NexTier Oilfield Solutions Inc is a service provider to the oil and gas industry. It provides services in relation to onshore well development to exploration and production companies. Its services are categorized into Completion Services and Other Services. Under the completion services, the company undertakes most its revenue generating operations, which are hydraulic fracturing and wireline solutions. The hydraulic fracturing process is aimed at pumping millions of gallons of water, sand and chemicals underground to break apart the rocks and release oil and gases, while wireline services involve the use of a single truck equipped with a spool of wireline that is unwound and lowered into oil and natural gas wells to convey specialized tools or equipment for well completion activities.