Nabors Industries Ltd. owns and operates a land-based drilling rig fleet in North America. The Company provides of offshore platform work over and drilling rigs. Its business is conducted through two business lines: Drilling & Rig Services and Completion & Production Services. It provides drilling technology and equipment and well-site services, including engineering, transportation and disposal, construction, maintenance, well logging, directional drilling, rig instrumentation, data collection and other support services. It manufactures and leases or sells top drives and other rig equipment. Its Drilling & Rig Services business line consists of four operating segments: U.S., Canada, International and Rig Services. Its Completion & Production Services business line consists of its operations involved in the completion, life-of-well maintenance and plugging and abandonment of a well and consists of two operating segments: Completion Services and Production Services.