5 February 2000
Alert 00 – 06 Proper Use of Cotter Pins WHAT HAPPENED: The anchor pin on the bottom side of the rig’s brake band fell out due to
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6 April 1999
Alert 99 – 12 Identifying Control Panel Valves WHAT HAPPENED: The crew reported to work without one crewmember. The rig supervisor assisted the crew in making a connection.
6 March 1999
Alert 99 – 09 Brake Linkage Failure WHAT HAPPENED: The drill crew was preparing to pull the drill string from the well to log it. The drill
6 January 1999
Alert 99 – 04 Rig Tong Snub Lines WHAT HAPPENED: During an inspection on a rig, the rig company found that the rig was using incorrect size
6 January 1999
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 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 – 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 – 05 Exposure to Noise WHAT HAPPENED: Here are some examples of exposures to noise measured by an operator
6 May 1998
Alert 98 – 12 Cutting Drilling Line WHAT HAPPENED: A rig worker was in the process of cutting drilling line. The 500-ton blocks had been hung on
