This subchapter applies only to the drilling of a new oil or gas well or the reentry of a plugged and abandoned oil or gas well. This subchapter does not apply to:
(1) the plugging back, reworking, sidetracking, or deepening of an existing oil or gas well that has not been plugged and abandoned; or
(2) the use of a surface location that is the site of an existing oil or gas well that has not been plugged and abandoned to drill a horizontal oil or gas well.
Official text of the Texas Natural Resources Code as published by the Texas Legislative Council.