Weatherford U.S. is an oilfield service company located in Houston. It offers evaluation, drilling and intervention services. The company provides products and services used by oil and natural gas companies and drilling contractors to produce oil and natural gas. The company has expertise in directional drilling, well testing, and open-hole and cased-hole wireline services. It offers several other services, such as drilling, wireline, underbalanced systems and geoscience services. The company offers well construction and intervention services to various market segments, including drilling tools, tubular running services, well construction systems, and fishing and re-entry services. It also provides land drilling business that is operated under the name Precision Drilling International and consists of over 50 rigs.