Tex. Nat. Res. Code § 86.081
(a) For the protection of public and private interests, the commission, on written complaint by an affected party or on its own initiative and after notice and an opportunity for a hearing, shall prorate and regulate the daily gas well production from a common reservoir if the commission finds that action to be necessary to:
(b) When, as provided in Subsection (b) of Section 85.046 or Subsection (b) of Section 86.012, the commission has permitted production by commingling oil or gas or oil and gas from multiple stratigraphic or lenticular accumulations of oil or gas or oil and gas, the commission may regulate all activities that are under its jurisdiction and associated with such commingled, separate multiple stratigraphic or lenticular accumulations of oil or gas or oil and gas as if the accumulations were a single common reservoir; provided, however, that:
Acts 1977, 65th Leg., p. 2534, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977.
Amended by Acts 1981, 67th Leg., p. 2580, ch. 688, Sec. 3, eff. June 16, 1981;
Acts 1995, 74th Leg., ch. 435, Sec. 3, eff. Aug. 28, 1995.
Acts 2005, 79th Leg., Ch. 881 (S.B. 1170), Sec. 1, eff. June 17, 2005.
Acts 2005, 79th Leg., Ch. 1119 (H.B. 2440), Sec. 1, eff. June 18, 2005.