Indiana Code Title 14. Natural and Cultural Resources § 14-38-1-22

Sec. 22. (a) After the issuance of a petroleum lease the lessee shall proceed to develop the petroleum in the land through the drilling of the wells that will efficiently extract the petroleum. The development must take into account the following:

(b) The commission shall determine, either by rule or by inclusion in the terms of a lease, the rapidity and extent of development of the oil, gas, or other petroleum field covered by the lease.