Tex. Educ. Code § 109.167
(b) Any of the following acts or omissions constitutes a default:
(f) The state shall have a first lien on oil, gas, sulphur, or other minerals produced or that may be produced in the leased area, and on all rigs, tanks, vats, pipelines, telephone lines, and machinery and appliances used in the production and handling of oil, gas, sulphur, or other minerals produced, to secure the amount due from the lessee.
Acts 2015, 84th Leg., R.S., Ch. 1173 (S.B. 907), Sec. 9, eff. June 19, 2015.