IRS/2023/2988/PON1

Notification details

Status	Completed
First observed date	25 June 2023
First observed time	16:30
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	ALWYN EAST
Latitude	60° 48' 31.0'' N
Longitude	1° 44' 8.0'' E
Quadrant / block no.	3 / 9

Chemical 1

Chemical product released	ADAPTA
Total quantity of chemical released	0.01 kg

Chemical 2

Chemical product released	BaraVis IE-489
Total quantity of chemical released	0.001 kg

Chemical 3

Chemical product released	BaraVis IE-568
Total quantity of chemical released	0.01 kg

Chemical 4

Chemical product released	BARITE
Total quantity of chemical released	0.146 kg

Chemical 5

Chemical product released	Calcium Chloride Powder
Total quantity of chemical released	0.01 kg

Chemical 6

Chemical product released	EDC 99-DW
Total quantity of chemical released	0.365 kg

Chemical 7

Chemical product released	EZ MUL NT
Total quantity of chemical released	0.02 kg

Chemical 8

Chemical product released	LIME
Total quantity of chemical released	0.01 kg

Chemical 9

Chemical product released	TAU-MOD ULTRA
Total quantity of chemical released	0.01 kg

Formal investigation

Formal investigation ever opened	No

Close off details

Release ever ongoing	No

Source details

Source	Drill String - Drain Down