PON1/391

Notification details

Status	Completed
First observed date	25 April 2011
First observed time	12:50
Incident type(s)	Oil release
Organisations involved	Shell U.K. Exploration & Production Limited (NNS)
Installation	Gannet D Subsea Completion
Installation type	Fixed
Field	GANNET
Latitude	57° 19' 8.0'' N
Longitude	1° 4' 57.0'' E
Quadrant / block no.	21 / 25

Oil release details

Oil product released	Hydraulic Oil
How was the quantity released determined
Total quantity of oil released	.0755 tonnes

Formal investigation

Formal investigation ever opened	Yes

Close off details

Release ever ongoing	No

Source details

Source	Hydraulic leak from subsea well detected during a subsea ROV inspection. Leak traced to the Low Pressure supply flexible line to the PFV and AIV valves.