Western Gas Partners, LP is a master limited partnership (MLP) that acquires, owns, develops and operates midstream energy assets. The Company is engaged in the business of gathering, processing, compressing, treating and transporting natural gas, condensate, natural gas liquids (NGLs) and crude oil for Anadarko Petroleum Corporation (Anadarko), as well as third-party producers and customers. It operates in the segment of gathering, processing, compressing, treating and transporting Anadarko and third-party natural gas, condensate, NGLs and crude oil in the United States. Its operations and activities are managed by its general partner, which is indirectly controlled by Anadarko through Western Gas Equity Partners, LP (WGP). Anadarko is an independent oil and gas exploration and production company. The Company's assets and investments are located in the Rocky Mountains (Colorado, Utah and Wyoming), the Mid-Continent (Kansas and Oklahoma), North-central Pennsylvania and Texas.