Weatherford International PLC is incorporated in Switzerland. The Merger was effected through an agreement between Weatherford International Ltd. (Weatherford Switzerland) and Weatherford Ireland pursuant to which each registered share of Weatherford Switzerland was exchanged for the allotment of one ordinary share of Weatherford Ireland. The Company provides equipment and services used in the drilling, evaluation, completion, production and intervention of oil and natural gas wells. It operates in North America, Latin America, Europe/Sub-Sahara Africa ("SSA")/Russia and Middle East/North Africa (MENA)/Asia Pacific. The Company's business segments are Formation Evaluation and Well Construction and Completion and Production, which together comprise a total of 15 service lines. Formation Evaluation and Well Construction service lines include Managed Pressure Drilling, Drilling Services, Tubular Running Services, Drilling Tools, Integrated Drilling, Wireline Services, Testing and Production Services, Re-entry and Fishing, Cementing, Liner Systems, Integrated Laboratory Services and Surface Logging. Completion and Production service lines include Artificial Lift Systems, Stimulation and Completion Systems. Within the Formation Evaluation and Well Construction product service line group, the company provides formation evaluation services from early well planning to reservoir management services, including core analysis, surface logging, well site geochemistry, logging while drilling and wireline services. It also provides well construction services to help clients ensure well integrity for the full life cycle of the well using reliable casing and tubing strings, cementation design, reliable liner top isolation and methods that ensure the well reaches total depth in the condition possible. The Completion and Production product service line group uses multi-zone isolation and access systems. The completion products, reservoir stimulation design and engineering capabilities are delivered to unlock reserves in deepwater, unconventional and aging reservoirs. The Company's competitors include Schlumberger, Halliburton, Baker Hughes, National Oilwell Varco, Cameron International, Noble Energy and Nabors Industries. It also competes with various other regional suppliers that provide a limited range of equipment and services tailored for local markets. The Company's operations are subject to federal, state and local laws and regulations relating to the energy industry in general and the environment in particular.