| Unit Corporation (Unit) conducts its operations through three principal wholly owned subsidiaries: Unit Drilling Company, Unit Petroleum Company and Superior Pipeline Company, L.L.C. Unit Drilling Company drills onshore oil and natural gas wells for the Company's own account and for others (land contract drilling). Unit Petroleum Company explores, develops, acquires and produces oil and natural gas properties for its own account (oil and natural gas exploration). Superior Pipeline Company, L.L.C. buys, sells, gathers, processes and treats natural gas for its own account and for third parties (mid-stream). The drilling segment added 12 drilling rigs during the year ended December 31, 2007, and averaged an 80% utilization rate. Its oil and natural gas segment replaced 171% of its 2007 oil, natural gas liquids (NGLs) and natural gas production. |
