Halliburton Company is a provider of services and products to the upstream oil and natural gas industry. The Company operates through two segments: the Completion and Production segment, and the Drilling and Evaluation segment. The Company's Completion and Production segment delivers cementing, stimulation, intervention, pressure control, specialty chemicals, artificial lift, and completion products and services. The Company's Drilling and Evaluation segment provides field and reservoir modeling, drilling, evaluation and wellbore placement solutions that enable customers to model, measure, drill and manage its well construction activities. The Company's baroid provides drilling fluid systems, performance additives, completion fluids, solids control, specialized testing equipment and waste management services for oil and natural gas drilling, completion and workover operations. The Company operates its business in approximately 80 countries.