IRS/2024/4829/PON1

Notification details

Status	Completed
First observed date	04 August 2024
First observed time	21:15
Incident type(s)	Chemical release
Organisations involved	EQUINOR UK LIMITED
Installation	Mariner PDQ Platform
Installation type	Production installation (including any connected infrastructure)
Field
Latitude	59° 35' 18.716'' N
Longitude	1° 3' 19.323'' E
Quadrant / block no.	9 / 11

Chemical 1

Chemical product released	BASE OIL
Total quantity of chemical released	3.0 kg

Chemical 2

Chemical product released	CALCIUM CHLORIDE (ALL GRADES)
Total quantity of chemical released	0.02 kg

Chemical 3

Chemical product released	CALCIUM CHLORIDE BRINE
Total quantity of chemical released	0.02 kg

Chemical 4

Chemical product released	ECOTROL RD
Total quantity of chemical released	0.02 kg

Chemical 5

Chemical product released	LIME
Total quantity of chemical released	0.02 kg

Chemical 6

Chemical product released	M-I BAR (All Grades)
Total quantity of chemical released	0.02 kg

Chemical 7

Chemical product released	M-I WATE (All Grades)
Total quantity of chemical released	0.02 kg

Chemical 8

Chemical product released	ONE-MUL
Total quantity of chemical released	0.02 kg

Chemical 9

Chemical product released	RHEFLAT X
Total quantity of chemical released	0.02 kg

Chemical 10

Chemical product released	TRUVIS
Total quantity of chemical released	0.02 kg

Formal investigation

Formal investigation ever opened	No

Close off details

Release ever ongoing	No

Source details

Source	Bursting Disc/PSV - System Overpressured