PON1/1483

Notification details

Status	Completed
First observed date	06 December 2012
First observed time	20:00
Incident type(s)	Chemical release
Organisations involved	BP Exploration Operating Company Ltd.
Installation	Madoes Subsea Manifold
Installation type	Fixed
Field	MARNOCK [pt. of MARNOCK-SKUA]
Latitude	57° 10' 7.0'' N
Longitude	1° 26' 12.0'' E
Quadrant / block no.	22 / 25

Chemical 1

Chemical product released	Oceanic HW 443
Total quantity of chemical released	704.0 kg

Formal investigation

Formal investigation ever opened	Yes

Close off details

Release ever ongoing	Yes

Source details

Source	Failure of production wing valve stem seals on subsea tree resulting in release of hydraulic fluid.