Sec. 317. "Well for oil and gas purposes", for purposes of IC 14-37, means a well bore drilled, deepened, or converted for any purpose for which a permit is required under IC 14-37. The term includes the following:
(1) An oil well.
(2) A natural gas well.
(3) A coal bed methane well.
(4) A Class II well.
(5) A structure test well.
(6) A well used for the sole purpose of supplying water for the secondary recovery of petroleum resources.
(7) An underground gas storage well or underground gas storage observation well.