IRS/2022/844/PON1

Notification details

Status	Completed
First observed date	28 February 2022
First observed time	14:00
Incident type(s)	Chemical release
Organisations involved	TOTALENERGIES E&P NORTH SEA UK LIMITED
Installation	Alwyn North NAA Platform
Installation type	Production installation (including any connected infrastructure)
Field
Latitude	60° 48' 33.0'' N
Longitude	1° 44' 15.0'' E
Quadrant / block no.	3 / 9

Chemical 1

Chemical product released	BARITE (ALL GRADES)
Total quantity of chemical released	0.6 kg

Chemical 2

Chemical product released	CALCIUM CHLORIDE BRINE
Total quantity of chemical released	0.1 kg

Chemical 3

Chemical product released	DURATONE E
Total quantity of chemical released	0.1 kg

Chemical 4

Chemical product released	EDC 99-DW
Total quantity of chemical released	1.9 kg

Chemical 5

Chemical product released	EZ MUL NT
Total quantity of chemical released	0.2 kg

Chemical 6

Chemical product released	GELTONE II
Total quantity of chemical released	0.1 kg

Chemical 7

Chemical product released	LIME
Total quantity of chemical released	0.1 kg

Formal investigation

Formal investigation ever opened	No

Close off details

Release ever ongoing	No

Source details

Source	Drill Floor - Drillstring disconnection