(a) Where sufficient geologic and engineering information is available from previous drilling, operators may make application to the Supervisor for the establishment of field rules for each oil or gas pool or zone. The Supervisor shall review field rules at least once a year and notify operators in writing of any change.

(b) Drilling or reworking of wells shall not commence without approval of the Division. Notices of intention and approvals shall be considered cancelled if the proposed operations are not commenced within one year of receipt of the notice. Each proposal to drill or rework a well shall include all information required on Division forms and a detailed work program including, when applicable, casing, cementing, drilling fluid, and blowout prevention programs, proposed bottom hole location, anticipated location of the intersection of each proposed zone of completion with the bore hole, anticipated pressures, and anticipated depths (both measured and vertical) of geologic formations, oil zones, gas zones, and freshwater zones. The casing, cementing, drilling fluid, and blowout prevention programs shall comply with either the following requirements or established field rules.