§ 250.524. How long do I keep records of casing pressure and diagnostic tests?
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/us/cfr/t30/s§ 250.524·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Records of casing pressure and diagnostic tests must be kept at the field office nearest the well for a minimum of 2 years. The last casing diagnostic test for each casing or riser must be retained at the field office nearest the well until the well is abandoned. \[76 FR 64462, Oct. 18, 2011. Redesignated at 77 FR 50894, Aug. 22, 2012\]