Ariz. Admin. Code § R12-7-175 - Injection Wells Including Enhanced Recovery, Disposal, and Storage Wells

A. The following injection wells used for enhanced recovery, disposal, or storage shall require a permit from the Commission:

1. Class II injection wells

a. Saltwater disposal wells: wells used to return salt water associated with oil and gas production to the subsurface.

b. Enhanced oil recovery wells: wells used to inject salt water, gases, enhanced waters, and steam in order to maintain and extend oil production;

c. Hydrocarbon storage wells: wells used for the underground storage of crude oil, liquified petroleum gas (LPG), and other liquid hydrocarbon products in naturally occurring rock formations.

2. Other injection wells

a. Geothermal injection wells: Class V wells used to reinject groundwater or geothermal fluids that are used in or are associated with the production of geothermal energy;

b. Other wells: wells used for the underground storage of any hydrocarbons or nonhydrocarbons that are gaseous at standard temperature and pressure, wells used to dissolve salt to create a cavity to be used for underground storage, and wells used to dispose of brine produced in the course of creating a solution-mined salt cavity.

B. In addition to being subject to the applicable provisions of this Chapter, the wells listed in subsection (A) shall be subject to the following specific regulation:

1. Injection wells listed in subsections (A)(1)(a) and (b) and (A)(2)(a) shall be regulated by R12-7-176, R12-7-178, and R12-7-179.

2. Injection wells listed in subsections (A)(1)(c) and (A)(2)(b) shall be regulated by R12-7-176, R12-7-178, R12-7-179, R12-7-180, R12-7-181, and R12-7-182.

C. No permits for injection wells other than those described in this Section shall be issued by the Commission.

Notes

Ariz. Admin. Code § R12-7-175

Adopted effective January 2, 1996 (Supp. 96-1).