Regulations last checked for updates: Feb 10, 2026

Title 30 - Mineral Resources last revised: Jan 27, 2026
§ 250.407 - What tests must I conduct to determine reservoir characteristics?

You must determine the presence, quantity, quality, and reservoir characteristics of oil, gas, sulphur, and water in the formations penetrated by logging, formation sampling, or well testing.

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 250.407