StacksVerified U.S. regulatory reference

30 CFR §250.521

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)You must perform a casing diagnostic test within 30 days after first observing or imposing casing pressure according to the following table:
  2. (b)You are exempt from performing a diagnostic pressure test for the production casing on a well operating under active gas lift.