113 – Drawworks

26 October 2008

Alert 08 – 33 Inadvertent Activation of Control Lever Results in Serious Injury

Alert 08 – 33 Inadvertent Activation of Control Lever Results in Serious Injury WHAT HAPPENED: The operation in progress was making-up 9 ½ drill collar lifting sub
26 June 2008

Alert 08 – 19 Tong Clevis Detaches Resulting in Employee Injury

Alert 08 – 19 Tong Clevis Detaches Resulting in Employee Injury WHAT HAPPENED: The crew was tripping out of the hole when the clevis attaching the back-up
26 April 2008

Alert 08 – 13 Improper Attachment of Safety Line Results in a Dropped Object

Alert 08 – 13 Improper Attachment of Safety Line Results in a Dropped Object WHAT HAPPENED: While finishing the pressure testing of the well head valve, the
26 March 2008

Alert 08 – 10 Dropped String – High Potential Incident Results from Pulling Against Closed BOP Pipe Rams

Alert 08 – 10 Dropped String – High Potential Incident Results from Pulling Against Closed BOP Pipe Rams WHAT HAPPENED: While laying down 5″ drill pipe the
30 November 2007

Alert 07 – 34 Coupling Failure Between Drawworks Drive Shaft and Electric Auxilary Brake Allows Blocks to Fall

Alert 07 – 34 Coupling Failure Between Drawworks Drive Shaft and Electric Auxilary Brake Allows Blocks to Fall WHAT HAPPENED: While washing down the 7” liner assembly
31 October 2007

Alert 07 – 31 LTI – Drill Line Spool Pinch Point

Alert 07 – 31 LTI – Drill Line Spool Pinch Point WHAT HAPPENED: While the rig crew was attempting to slip and cut the drilling line, the
31 July 2007

Alert 07 – 22 Dropped Object: Fast Line Guide Roller

Alert 07 – 22 Dropped Object: Fast Line Guide Roller WHAT HAPPENED: The day crew was tripping in DP to 11,000 ft. The trip was stopped to
27 May 2007

Alert 07 – 17 Near Miss – Lost Control of Drawworks

Alert 07 – 17 Near Miss – Lost Control of Drawworks WHAT HAPPENED: A stand of drill pipe had been drilled down using the top drive. The
27 May 2007

Alert 07 – 15 Stringing Up Drill Line Results in LTI

Alert 07 – 15 Stringing Up Drill Line Results in LTI WHAT HAPPENED: While stringing the drill line on a new rig, the injured party (IP) was