PON1/8035

Notification details

Status	Completed
First observed date	06 December 2018
First observed time	06:00
Incident type(s)	Chemical release
Organisations involved	Maersk Drilling UK Ltd, Maersk Oil North Sea UK Limited
Installation	Maersk Highlander
Installation type	Mobile
Field	Culzean
Latitude	57° 11' 40.0'' N
Longitude	1° 54' 46.0'' E
Quadrant / block no.	22 / 25

Chemical 1

Chemical product released	CALCIUM CHLORIDE (ALL GRADES)
Total quantity of chemical released	0.239 kg

Chemical 2

Chemical product released	ECOTROL RD
Total quantity of chemical released	0.0427 kg

Chemical 3

Chemical product released	LIME
Total quantity of chemical released	0.114 kg

Chemical 4

Chemical product released	M-I WATE (All Grades)
Total quantity of chemical released	4.47 kg

Chemical 5

Chemical product released	SAFE-CARB (ALL GRADES)
Total quantity of chemical released	0.285 kg

Chemical 6

Chemical product released	Saraline 185V
Total quantity of chemical released	2.17 kg

Chemical 7

Chemical product released	TRUVIS
Total quantity of chemical released	0.064 kg

Chemical 8

Chemical product released	VERSACLEAN CBE
Total quantity of chemical released	0.135 kg

Formal investigation

Formal investigation ever opened	Yes

Close off details

Release ever ongoing	No

Source details

Source	Vessels (Not Storage) - OBM Release From Overflow Of Gumbo Unit