Alert 00 – 04 Wrong Load Causes Crane Collapse WHAT HAPPENED: A hydraulic platform crane failed while lifting a 14,500 lb. (6525 kg) tank from a supply
Alert 00 – 03 Multiple Rotary Hose Failures – Hose Separation From Steel End Couplers WHAT HAPPENED: On two separate rigs operated by the same contractor, identical
Alert 00 – 02 Uncontrolled Release of Anchor Chain While Moored on Location WHAT HAPPENED: The Anchor Chain was accidentally released during the removal of the brake
Alert 99 – 36 Traveling Block/Power Swivel Collision with Stand of Pipe WHAT HAPPENED: A fully retracted travelling block and power swivel, during its descent, collided with
Alert 99 – 30 Marine Riser Buoyancy WHAT HAPPENED: While pulling the first section of marine riser through the drill floor, a section of buoyancy module weighing approximately
Alert 99 – 28 Hydraulic Telescoping Cylinder Failure WHAT HAPPENED: While rigging up a telescoping mast, one of the two cylinders failed and the mast dropped. No