Sec. 91.016.  CONFINING GAS TO ORIGINAL STRATUM.  (a)  If gas located in a gas-bearing stratum known to contain gas in paying quantities is encountered in a well drilled for oil or gas in this state, the gas shall be confined to its original stratum until it can be produced and used without waste.
(b)  Gas-bearing strata shall be adequately protected from infiltrating water.
Acts 1977, 65th Leg., p. 2561, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977.