CHAPARRAL ENERGY

Drilling and pumping of oil; extraction of oil and gas; oil and gas drilling

Oil and gas production services; production, processing and treating of energy, namely, natural gas, petroleum and other related hydrocarbon products

Exploration and searching of oil and gas; oil and gas exploration; exploration for petroleum, natural gas and related hydrocarbons and all other gases and substances, whether liquid or solid and whether hydrocarbons or not, produced in association with the petroleum and natural gas and related hydrocarbons