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Dropped Objects Update September 2013

Dropped Objects Update September 2013. Donald Dobson Health & Safety Executive Offshore Division. Dropped objects – quarterly totals. 2013 January to September - All Incidents. Derrick & Well Ops Incidents January to September 2013.

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Dropped Objects Update September 2013

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  1. Dropped Objects Update September 2013 Donald Dobson Health & Safety Executive Offshore Division

  2. Dropped objects – quarterly totals

  3. 2013 January to September - All Incidents

  4. Derrick & Well Ops IncidentsJanuary to September 2013

  5. Derrick & Well Ops Dropped Objects –January to September 2013

  6. Derrick & Well Ops Incidents • Breaking flanged connection between HP riser & tension table,, stud and nut fell 25m to platform deck • Running liner, mud-saver valve (32kg) on “OverDrive” connected with liner tool joint & fell 13.5m to rig floor • Pulling pipe, top-drive protection frame struck stand of racked drill-pipe; piece of frame fell to rig floor • Picking up drill-pipe single to stab into string, elevators opened; joint fell 1.5m to rig floor • Rigging down wire-line equipment, IP suffered head injuries when sheave parted from lubricator & fell 10m

  7. Crane & Lifting Operations – January to September 2013

  8. Crane & Lifting Operations • Booming down, headache ball struck keeper bar which was dislodged & fell into sea • Crane boom struck redundant comms equipment; dome (2.1kg) fell 30m to generator roof • Spooling main crane rope; rope socket failed; length fell 35m to deck • Sheave guide (26kg) fell 45m to deck from main block of crane • Lowering flange (95kg) on blue polyprop rope, flange fell 3m to deck

  9. Other dropped objects – January to September 2013

  10. Other Dropped Objects • Section of cladding (8kg) dislodged from cabin module in high wind & fell to walkway • Section of deluge pipe (30kg) detached & fell 15m to compressor roof; corrosion of pipe and fixing points • Corroded metal plate detached from turret & fell 4m to deck • Floodlight (27.6kg) fell 9m to module below after being struck by abseiler • Windsock (1.5kg) dislodged by helicopter downdraft, falling 10m to palfinger gantry

  11. Other Dropped Objects • Scaffolders moving equipment; 2 scaffold boards (2 x 9kg) knocked 26m into sea • During work on riser, spanner (3kg) fell 8m to scaffolding below • Fitting blind to well flow-line; blind (3.5kg) dropped, falling 4.5m to cellar deck • Scaffold board dislodged from scaffold, falling to deck below • Slip plate (1.1kg) dislodged by work party & fell through gap in grating 8m to deck below

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