Tex. Nat. Res. Code § 91.001Download PDFCurrent with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.Section 91.001 - Definitions In this chapter:(1) "Commission" means the Railroad Commission of Texas.(2) "Gas" means natural gas.(3) "Oil" means crude oil and crude petroleum oil.Tex. Nat. Res. Code § 91.001 Acts 1977, 65th Leg., p. 2560, ch. 871, art. I, Sec. 1, eff. 9/1/1977.