Sec. 91.011. CASING. (a) Before drilling into the oil or gas bearing rock, the owner or operator of a well being drilled for oil or gas shall encase the well with good and sufficient wrought iron or steel casing or with any other material that meets standards adopted by the commission, particularly where wells could be subjected to corrosive elements or high pressures and temperatures, in a manner and to a depth that will exclude surface or fresh water from the lower part of the well from penetrating the oil or gas bearing rock, and if the well is drilled through the first into the lower oil or gas bearing rock, the well shall be cased in a manner and to a depth that will exclude fresh water above the last oil or gas bearing rock penetrated.
(b) The commission shall adopt rules regarding the depth of well casings necessary to meet the requirements of this section.
Acts 1977, 65th Leg., p. 2560, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977. Amended by Acts 1985, 69th Leg., ch. 704, Sec. 1, eff. Aug. 26, 1985.
Amended by:
Acts 2011, 82nd Leg., R.S., Ch. 1021 (H.B. 2694), Sec. 2.01, eff. September 1, 2011.
Structure Texas Statutes
Subtitle B - Conservation and Regulation of Oil and Gas
Chapter 91 - Provisions Generally Applicable
Subchapter B. Duties Relating to Oil and Gas Wells
Section 91.0115. Casing; Letter of Determination
Section 91.012. Water in Wells
Section 91.013. Plugging and Shutting in Wells by Others
Section 91.014. Petition to Restrain Waste
Section 91.015. Prevention of Waste
Section 91.016. Confining Gas to Original Stratum
Section 91.017. Using Gas in the Open Air
Section 91.019. Standards for Construction, Operation, and Maintenance of Electrical Power Lines