30 CFR § 250.521
When do I have to perform a casing diagnostic test?
July 29, 2020
(a) You must perform a casing diagnostic test within 30 days after first observing or imposing casing pressure according to the following table:
Open Table
| If you have a . . . | you must perform a casing diagnostic test if . . . |
|---|---|
| (1) fixed platform well, | the casing pressure is greater than 100 psig. |
| (2) subsea well, | the measurable casing pressure is greater than the external hydrostatic pressure plus 100 psig measured at the subsea wellhead. |
| (3) hybrid well, | a riser or the production casing pressure is greater than 100 psig measured at the surface. |
(b) You are exempt from performing a diagnostic pressure test for the production casing on a well operating under active gas lift.
[76 FR 64462, Oct. 18, 2011. Redesignated at 77 FR 50894, Aug. 22, 2012]
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