(a) Upon permanent discontinued use or abandonment of a shallow closed-loop geothermal injection well, the owner shall plug the well according to the following standards: (1) All removable casing shall be removed and the entire well shall be pressure filled with cement from bottom to the land surface using a pipe correctly sized to ensure all cement is properly located, distributed, and cured; and(2) The well may be filled with fine sand, clay, or heavy mud followed by a cement plug extending from land surface to a depth of not less than ten feet below the land surface.(b) Any fluids injected into the closed loop system shall not endanger fresh water.(c) Not later than the 30th day after the date the well is plugged, a driller or well owner who plugs an abandoned well shall submit to the Commission a completed copy of the well plugging report filed with the TDLR electronically through the Texas Well Report Submission and Retrieval System (TWRSRS).16 Tex. Admin. Code § 6.111
Adopted by Texas Register, Volume 50, Number 01, January 3, 2025, TexReg 0103, eff. 1/6/2025