Regulations last checked for updates: Feb 11, 2026

Title 30 - Mineral Resources last revised: Jan 27, 2026
§ 250.121 - What happens when the reservoir contains both original gas in place and injected gas?

If the reservoir contains both original gas in place and injected gas, when you produce gas from the reservoir you must use a BSEE-approved formula to determine the amounts of injected or stored gas and gas original to the reservoir.

authority: 30 U.S.C. 1751,31.S.C. 9701, 33 U.S.C. 1321(j)(1)(C), 43 U.S.C. 1334.
source: 76 FR 64462, Oct. 18, 2011, unless otherwise noted.
cite as: 30 CFR 250.121