It has spent the last ten years in Texas providing hydraulic fracturing equipment for the more developed US shale oil and gas industry.

BBC: Fracking site

It uses fracturing stimulation in shale, but equipment and crews are in short supply and are expensive.

WSJ: Eight IPOs Line Up In U.S.

The primary services provided by the company include: hydraulic fracturing, coiled tubing, wireline, and equipment manufacturing.

FORBES: Miami University Students and This Quant Pitch C&J Energy Services