Unit Corporation is a natural gas contract drilling company. The Company is primarily engaged in the development, acquisition, and production of oil and natural gas properties, the land contract drilling of natural gas and oil wells, and the buying, selling, gathering, processing, and treating of natural gas. The Company operates through three segments: Oil and Natural Gas, Contract Drilling, and Mid-Stream. The Oil and Natural Gas segment explores, develops, acquires, and produces oil and natural gas properties for its own account. The Contract Drilling segment contracts to drill onshore oil and natural gas wells for others and for its own account. The Mid-Stream segment buys, sells, gathers, processes, and treats natural gas for third parties and for its own account. The Company’s producing oil and natural gas properties, unproved properties, and related assets are primarily located in Oklahoma and Texas, in addition to Arkansas, Kansas, and North Dakota to a lesser extent.