Weatherford International public limited company is a multinational oilfield service company. The Company's segments include North America, Latin America, Europe/Sub-Sahara Africa (SSA)/Russia, Middle East/North Africa (MENA)/Asia Pacific and Land Drilling Rigs. Its principal business is providing equipment and services to the oil and natural gas exploration and production industry, both on land and offshore, through its three business groups: Formation Evaluation and Well Construction, Completion and Production, and Land Drilling Rigs. The Formation Evaluation and Well Construction business group includes managed-pressure drilling, liner systems, reservoir solutions and surface logging systems, among others. The Completion and Production business group includes artificial lift systems, stimulation and completion systems. The Land Drilling Rigs business group encompasses its land drilling rigs business, including the products and services ancillary thereto.