{"data":{"id":"us/30-cfr-250.611","jurisdiction":"us","citation":"30 CFR 250.611","heading":"Traveling-block safety device.","body":"You must equip all units being used for well-workover operations that have both a traveling block and a crown block with a safety device that is designed to prevent the traveling block from striking the crown block. You must check the device for proper operation weekly and after each drill-line slipping operation. You must enter the results of the operational check in the operations log.","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 F—Oil and Gas Well-Workover 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":"f8c7cafe3027149f5febedc6f1e592df4e298fac407c0cb9143194d5828eb279","source_id":"us-cfr","stale":true,"prev":"us/30-cfr-250.610","next":"us/30-cfr-250.612"},"notice":"GroundRules: Original legal text. Not legal advice."}