---
kind: "section"
citation: "30 C.F.R. § 250.525"
title: "30"
number: "250.525"
heading: "When am I required to take action from my casing diagnostic test?"
url: "https://uscodex.org/cfr/30/250.525"
---

# §250.525. When am I required to take action from my casing diagnostic test?


You must take action if you have any of the following conditions:

- (a) Any fixed platform well with a casing pressure exceeding its maximum allowable wellhead operating pressure (MAWOP);
- (b) Any fixed platform well with a casing pressure that is greater than 100 psig and that cannot bleed to 0 psig through a 1/2-inch needle valve within 24 hours, or is not bled to 0 psig during a casing diagnostic test;
- (c) Any well that has demonstrated tubing/casing, tubing/riser, casing/casing, riser/casing, or riser/riser communication;
- (d) Any well that has sustained casing pressure (SCP) and is bled down to prevent it from exceeding its MAWOP, except during initial startup operations described in [§ 250.522](/cfr/30/250.522.md);
- (e) Any hybrid well with casing or riser pressure exceeding 100 psig; or
- (f) Any subsea well with a casing pressure 100 psig greater than the external hydrostatic pressure at the subsea wellhead.

## Notes

### Amendments

[76 FR 64462, Oct. 18, 2011. Redesignated at 77 FR 50894, Aug. 22, 2012; 84 FR 21976, May 15, 2019]

### Authority

Authority: 30 U.S.C. 1751, 31 U.S.C. 9701, 33 U.S.C. 1321(j)(1)(C), 43 U.S.C. 1334.

### Source

Source: 76 FR 64462, Oct. 18, 2011, unless otherwise noted.

### Amendments

[76 FR 64462, Oct. 18, 2011. Redesignated at 77 FR 50894, Aug. 22, 2012; 84 FR 21976, May 15, 2019]