77 – Rig Floor

6 January 1999

Alert 99 – 03 Traveling Block-Crown Incident

Alert 99 – 03 Traveling Block-Crown Incident WHAT HAPPENED: An incident occurred where the traveling block bumped the crown on a drilling rig. The Crown-A-Matic was properly set
6 May 1998

Alert 98 – 26 More on Casing Safety

Alert 98 – 26 More on Casing Safety WHAT HAPPENED: After running all 9-5/8″ casing, the 10-3/4″ 500-ton elevator was rigged up with the operating lever facing the
6 May 1998

Alert 98 – 25 Full Body Harness Safety

Alert 98 – 25 Full Body Harness Safety WHAT HAPPENED: A rig crew was tripping drill pipe into the hole. The elevators were coming up through the
6 May 1998

Alert 98 – 20 Flush Mounted Slips

Alert 98 – 20 Flush Mounted Slips WHAT HAPPENED: A contractor encountered an incident involving the use of Flush Mounted Slips (FMS), which resulted in the release of
6 May 1998

Alert 98 – 19 Fall Protection

Alert 98 – 19 Fall Protection WHAT HAPPENED: After being released from a daywork contract, the crew was preparing to move the rig to a new drill
6 May 1998

Alert 98 – 16 Stored Energy Hazards

Alert 98 – 16 Stored Energy Hazards WHAT HAPPENED: A rig worker was seriously injured when the cap at the end of a top drive accumulator blew
6 May 1998

Alert 98 – 14 Bolt Breakage

Alert 98 – 14 Bolt Breakage WHAT HAPPENED: While pulling out of the hole, both brake band anchor bolts failed. The elevators were about six feet (two meters)
6 May 1998

Alert 98 – 08 Running Casing Safely

Alert 98 – 08 Running Casing Safely WHAT HAPPENED: While running 5 1/2” casing, the driller observed the derrickman placing his hands and fingers on top of
6 May 1998

Alert 98 – 05 Exposure to Noise

Alert 98 – 05 Exposure to Noise WHAT HAPPENED: Here are some examples of exposures to noise measured by an operator