Schlumberger Limited, together with its subsidiaries, supplies technology, integrated project management, and information solutions to the oil and gas exploration and production industries worldwide. Its Reservoir Characterization Group segment provides reservoir imaging, monitoring, and development services; wireline technology that offers open-hole and cased-hole services; exploration and production pressure and flow-rate measurement services; information solutions, such as consulting, software, information management system, and IT infrastructure services that support oil and gas industry; and data and consulting services. The company’s Drilling Group segment designs, manufactures, and markets roller cone and fixed cutter drill bits, and drilling fluid systems; geo services; supplies engineering support, directional-drilling, measurement-while-drilling, and logging-while-drilling services; provides drill bits, borehole enlargement technologies, impact tools, and tubulars and tubular services; and dynamic pressure management solutions. Its Reservoir Production Group segment provides well services; well completion services and equipment; artificial lift; coiled tubing equipment and services; slickline services for downhole mechanical well intervention, reservoir monitoring, and downhole data acquisition; subsea solutions; and geological storage solutions, including storage site characterization for carbon dioxide, as well as engages in the development, management, and environmental protection of water resources. The company’s Distribution segment markets pipes, valves and valve automation, fittings, mill and tool supplies, safety products, and artificial lift systems to the energy and industrial markets. This segment also provides warehouse management, vendor integration, and inventory management services. Schlumberger Limited was founded in 1926 and is based in Houston, Texas.