Weatherford International plc, is an American public limited company, together with its subsidiaries, is a multinational oilfield service company and one of the largest companies in the world in oil services; operationally headquartered in the US with a holding company based in Ireland. Weatherford is a company providing equipment and services used in the drilling, evaluation, completion, production, and intervention of oil and natural gas wells. Many of the company's businesses, including those of predecessor companies, have been operating for more than 50 years. Weatherford conducts operations in 75 countries and maintains service and sales locations in virtually all the major oil and natural gas producing regions globally. Wikipedia