30 C.F.R. § 250.611 Traveling-block safety device.
Title 30 - Mineral Resources
After May 31, 1989, all units being used for well-workover operations which have both a traveling block and a crown block shall be equipped with a safety device which is designed to prevent the traveling block from striking the crown block. The device shall be checked for proper operation weekly and after each drill-line slipping operation. The results of the operational check shall be entered in the operations log.
Title 30: Mineral Resources
PART 250—OIL AND GAS AND SULPHUR OPERATIONS IN THE OUTER CONTINENTAL SHELF
Subpart F—Oil and Gas Well-Workover Operations
§ 250.611 Traveling-block safety device.
