Health and Safety Executive

Health and Safety Executive

Dropped Objects Update

January to March 2011

Donald Dobson

Health & Safety Executive

Offshore Division

Dropped objects – quarterly totals

0

5

10

15

20

25

30

35

40

Q3 -2008

Q1 -2009

Q3 -2009

Q1 -2010

Q3 -2010

Q1 -2011

2011 January to March - All Incidents

0

2

4

6

8

10

12

14

Rig & Well Ops Crane & Lifting Other

Derrick & Well Ops Incidents

0

0.5

1

1.5

2

2.5

3

Pipe handling

Derrick fitting

Tubular

Personal

Lifting Equip

Drilling equip

Wireline

Other

Derrick & Well Ops Incidents

• Lifting diverter through rotary, overshot + extension (4.5 MT) detached and fell 50ft to jacket deck

• Cover for top drive junction box (5kg) detached during jarring & fell 70ft to rig floor – sheared bolts

• Lifting out annular packer (680 kg) from LMRP it struck an anode and fell 9m to deck

• Sledge hammer fell 40ft to rig floor; ring on end of tool lanyard failed

• Picking up wire-line valve (130kg) to run into well, it detached from running tool & fell 4.3m to rig floor

Crane & Lifting Operations

0

0.5

1

1.5

2

2.5

3

Crane failure

Load

Collision

Unsecured item

Crane & Lifting Operations

• Wooden sheathing from crane boom rest dislodged & fell to off-load hose walkway

• Lifting valve from WI filter package, actuator detached and fell 30” to grating below (corrode bolts)

Other dropped objects

0

1

2

3

4

5

6

7

8

Fittings

Unsecured

Personal

Other Dropped Objects

• Two lengths of redundant deluge pipe-work (7kg & 2kg) detached and fell 6m to walkway

• Emergency beacon (10kg) detached from bracket, falling 2.5m to extent of electric cable

• Hammer head (1.8kg) detached and fell 13m during rope access work on crane boom

• Valve being manoeuvred struck second valve which slipped under handrail & fell into sea