Texas Government Code - GOV'T § 2204.303. Mineral Reservation Required

(1) the minerals reserved to this state may not be explored for, developed, or produced in a manner that at any time will prevent or interfere with the operation or construction of those works;  and

(2) before exploring for or developing reserved minerals, this state must obtain the written consent of the United States Section, International Boundary and Water Commission, United States and Mexico, or its successor agency, as to the proposed area sought to be explored or developed by this state, including the location of and production facilities for oil wells, gas wells, or oil and gas wells.