IRS/2025/5713/PON1

Notification details

Status	Completed
First observed date	27 January 2025
First observed time	16:30
Incident type(s)	Chemical release
Organisations involved	ENQUEST HEATHER LIMITED
Installation	Thistle A Platform
Installation type	Production installation (including any connected infrastructure)
Field	THISTLE
Latitude	61° 21' 49.901'' N
Longitude	1° 34' 47.1'' W
Quadrant / block no.	211 / 18

Chemical 1

Chemical product released	DEFOAM PLUS NS
Total quantity of chemical released	5.03 kg

Chemical 2

Chemical product released	M-I PAC (All Grades)
Total quantity of chemical released	5.03 kg

Chemical 3

Chemical product released	M-I WATE (All Grades)
Total quantity of chemical released	3224.8 kg

Chemical 4

Chemical product released	Nuosept®78
Total quantity of chemical released	5.03 kg

Chemical 5

Chemical product released	POWERVIS
Total quantity of chemical released	8.01 kg

Chemical 6

Chemical product released	SAFE-SURF* EU
Total quantity of chemical released	20.15 kg

Chemical 7

Chemical product released	SODIUM BICARBONATE
Total quantity of chemical released	7.55 kg

Formal investigation

Formal investigation ever opened	No

Close off details

Release ever ongoing	Yes

Source details

Source	Pipework - Open To Environment