PON1/774

Notification details

Status	Completed
First observed date	30 November 2011
First observed time	10:00
Incident type(s)	Chemical release
Organisations involved	Shell U.K. Exploration & Production Limited (NNS)
Installation	Brent D Platform
Installation type	Fixed
Field	BRENT
Latitude	61° 7' 56.6'' N
Longitude	1° 44' 10.1'' E
Quadrant / block no.	211 / 29

Chemical 1

Chemical product released	Class G Oilwell (Portland) Cement
Total quantity of chemical released	3601.0 kg

Chemical 2

Chemical product released	FP-16LG
Total quantity of chemical released	3.68 kg

Formal investigation

Formal investigation ever opened	Yes

Close off details

Release ever ongoing	No

Source details

Source	Cement batch tank overboard discharge valve open