Chesapeake Oilfield Services
Chesapeake Oilfield Services (COS) is a diversified oilfield services company whose operating subsidiaries provide services and equipment primarily to Chesapeake Energy Corporation (Chesapeake) and its working interest partners, as well as other leading customers in the upstream oil and natural gas industry in the United States. We provide a wide range of wellsite services including contract drilling, hydraulic fracturing, oilfield rentals, rig relocation, fluid transportation and disposal and manufacturing of natural gas compressor packages. We are committed to delivering the highest-quality service in the industry. As a wholly owned subsidiary of Chesapeake, COS has access to world-class technology, resources and industry experience.