Marker Well Law and Legal Definition
According to 15 USCS § 3301 (5), [Title 15. Commerce and Trade; Chapter 60. Natural Gas Policy]
“(A) General rule. The term "marker well" means any well from which natural gas was produced in commercial quantities at any time after January 1, 1970, and before April 20, 1977.
(B) New wells. The term "marker well" does not include any new well under paragraph (3)(A) but includes any new well under paragraph (3)(B) if such well qualifies as a marker well under subparagraph (A) of this paragraph.”