Ala. Code § 9-17-157: Secondary or Tertiary Operations.

Nothing in this article shall apply to the conduct of gas storage operations as a part of or in conjunction with any secondary or tertiary recovery methods being utilized with respect to a unit pool in a unit area heretofore or hereafter established by the board pursuant to Article 3 of this chapter; and the board shall not allow the creation or operation of a storage facility pursuant to this article within any underground reservoir where such secondary or tertiary recovery methods are being utilized.