Archer Limited is a Bermuda-based oil services company. The Company's segments include Eastern Hemisphere and Western Hemisphere. The Eastern Hemisphere segment includes the Drilling Facilities Engineering and Platform Drilling business components, as well as Oiltools and International Wireline divisions. The Western Hemisphere comprises the AWC Frac Valves and Land Drilling business units, and its interests in Quintana Energy Services LP. The Company's drilling and workover services include platform drilling, land drilling, modular rigs, drilling fluids, solids control, engineering services, equipment rentals, survey and inspection services, as well as a range of support services and products. The Company's well services capabilities include production monitoring, well imaging, well integrity products and services, and wireline well intervention services. It operates primarily in the North Sea, in Argentina, Bolivia, Norway, the United Kingdom and in the United States.