121 – BOP

26 January 2008

Alert 08 – 01 Working with Rotating Control Devices

Alert 08 – 01 Working with Rotating Control Devices WHAT HAPPENED: Incident #1 – The rotating control device (RCD) was leaking so the driller sent an employee
31 December 2007

Alert 07 – 40 Fall from Height Results in LTI (Rig Move)

Alert 07 – 40 Fall from Height Results in LTI (Rig Move) WHAT HAPPENED: During a rig move and after the rig floor was raised the Floorman
27 January 2007

Alert 07 – 03 Mast Raising Line Failure

Alert 07 – 03 Mast Raising Line Failure WHAT HAPPENED: During the rig move, the drilling rig mast was to be raised. It was initially lifted 30
1 December 2006

Alert 06 – 42 Maintenance – Trapped Pressure

Alert 06 – 42 Maintenance – Trapped Pressure WHAT HAPPENED: A Subsea Specialist and an Assistant Subsea Specialist were transferring nitrogen from one cylinder to another by taking
1 September 2006

Alert 06 – 32 Residual Pressure in BOP Results in Finger Being Trapped

Alert 06 – 32 Residual Pressure in BOP Results in Finger Being Trapped WHAT HAPPENED: The IP was assisting in the operation to close the BOP doors.
1 August 2006

Alert 06 – 27 Poor Communications Results in Pipe Being Pulled in Two

Alert 06 – 27 Poor Communications Results in Pipe Being Pulled in Two WHAT HAPPENED: A drilling crew had finished bull heading 3-1/2 barrels of mud down
1 May 2006

Alert 06 – 18 Near Miss – Drill String Parts When BOP Pipe Rams are Left Closed

Alert 06 – 18 Near Miss – Drill String Parts When BOP Pipe Rams are Left Closed WHAT HAPPENED: After conducting a routine Hydrogen Sulphide (H2S) drill
1 March 2006

Alert 06 – 11 Near Miss – Equipment Failure at 14,000 PSI

Alert 06 – 11 Near Miss – Equipment Failure at 14,000 PSI WHAT HAPPENED: During a pressure test on the choke and kill line of a subsea
2 December 2005

Alert 05 – 44 BOP Overhead Crane Wire Line Failure

Alert 05 – 44 BOP Overhead Crane Wire Line Failure WHAT HAPPENED: During a recent Nippling Down and repositioning of the 21 ¼ BOP from the wellhead