Schoeller-Bleckmann Oilfield Equipment AG manufactures and designs drilling equipment for the oil and gas service industry. It operates through two segments: Advanced Manufacturing & Services and Oilfield Equipment. The Advanced Manufacturing & Services segment comprises high-precision machining and repair of drill collars and complex measurement while drilling and logging while drilling components made of non-magnetic corrosion-resistant stainless steel, which form the housing for sensitive measuring instruments used for the precise measurement of inclination and azimuth of the drillstring as well as petrophysical parameters. The Oilfield Equipment segment comprises a range of highly specialized solutions for the oil and gas industry: high-performance drilling motors and tools for directional drillstring drive; in addition to circulation tools as well as products for efficient and resource conscious completion of unconventional reservoirs in the two dominating technologies sliding sleeve and plug-n-perf. The company was founded in 1988 and is headquartered in Ternitz, Austria.