30 CFR 250.521 - When do I have to perform a casing diagnostic test?
(a) You must perform a casing diagnostic test within 30 days after first observing or imposing casing pressure according to the following 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.
Title 30 published on 2015-07-01
The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 30 CFR Part 250 after this date.