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Health
Healthand
andSafety
Safety
Executive
Executive
Dropped Objects
Update September 2013
Donald Dobson
Health & Safety Executive
Offshore Division
Dropped objects – quarterly totals
40
35
30
25
20
15
10
5
0
Q3 - Q1 - Q3 - Q1 - Q3 - Q1 - Q3 - Q1 - Q3 - Q1 - Q3 2008 2009 2009 2010 2010 2011 2011 2012 2012 2013 2013
2013 January to September - All
Incidents
35
30
25
20
15
10
5
0
Rig & Well Ops
Crane & Lifting
Other
Derrick & Well Ops Incidents
January to September 2013
14
Dropped object
Lifting equip
Fall from height
Trips & slips
Handling injury
HCR
Use of tool
Moving machinery
Pressure equip
Structural
12
10
8
6
4
2
0
Classification
Derrick & Well Ops Dropped Objects –
January to September 2013
3
2.5
2
1.5
1
0.5
0
Pipe handling
Derrick fitting
Tubular
Personal
Lifting Equip
Drilling equip
Wireline
Other
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
Crane & Lifting Operations – January
to September 2013
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
Crane failure
Load
Collision
Unsecured item
Fitting
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
Other dropped objects – January to
September 2013
25
20
15
10
5
0
Fittings
Unsecured
Personal
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
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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