{"data":{"id":"us/30-cfr-250.524","jurisdiction":"us","citation":"30 CFR 250.524","heading":"How long do I keep records of casing pressure and diagnostic tests?","body":"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.","path":["Title 30—Mineral Resources","CHAPTER II—BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT, DEPARTMENT OF THE INTERIOR","SUBCHAPTER B—OFFSHORE","PART 250—OIL AND GAS AND SULPHUR OPERATIONS IN THE OUTER CONTINENTAL SHELF","Subpart E—Oil and Gas Well-Completion Operations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-30.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:24Z","sha256":"956a5b0cf4a9f7d1d753cf5cdd585e782fb20ce68d446e94226ec1e060c9bd69","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-250.523","next":"us/30-cfr-250.525"},"notice":"GroundRules: Original legal text. Not legal advice."}