StacksVerified U.S. regulatory reference

30 CFR §250.531

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
A casing pressure request becomes invalid when:
  1. (a)The casing or riser pressure increases by 200 psig over the approved casing pressure request pressure;
  2. (b)The approved term ends;
  3. (c)The well is worked-over, side-tracked, redrilled, recompleted, or acid stimulated;
  4. (d)A different casing or riser on the same well requires a casing pressure request; or
  5. (e)A well has more than one casing operating under a casing pressure request and one of the casing pressure requests become invalid, then all casing pressure requests for that well become invalid.