For the purposes of this chapter:
It does not include water flooding, unless the water flooding is used as an element of one of the qualifying tertiary recovery techniques described in this subsection, or immiscible natural gas injection. To be eligible for the tax exemption provided under section 57-51.1-03, a tertiary recovery project must be certified as qualifying by the industrial commission, the project operator must continue to operate the unit as a qualifying tertiary recovery project, and the project operator must have obtained incremental production as defined in subsection 3 of section 57-51.1-03.
N.D.C.C. § 57-51.1-01