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IRS/2025/6818/PON1

Notification details

Status Completed
First observed date 10 October 2025
First observed time 10:00
Incident type(s) Chemical release
Organisations involved EQUINOR UK LIMITED, EQUINOR UK LIMITED, EQUINOR UK LIMITED
Installation Mariner PDQ Platform
Installation type Production installation (including any connected infrastructure)
Field MARINER
Latitude 59° 35' 18.716'' N
Longitude 1° 3' 19.323'' E
Quadrant / block no. 9 / 11

Chemical 1

Chemical product released Calcium Chloride Brine
Total quantity of chemical released 0.07495 kg

Chemical 2

Chemical product released ECOTROL RD
Total quantity of chemical released 0.00407 kg

Chemical 3

Chemical product released LIME
Total quantity of chemical released 0.01356 kg

Chemical 4

Chemical product released M-I WATE (All Grades)
Total quantity of chemical released 0.40937 kg

Chemical 5

Chemical product released ONE-MUL NS
Total quantity of chemical released 0.02712 kg

Chemical 6

Chemical product released RHEFLAT X
Total quantity of chemical released 0.00136 kg

Chemical 7

Chemical product released Saraline 185V
Total quantity of chemical released 0.4315 kg

Chemical 8

Chemical product released VG-Supreme
Total quantity of chemical released 0.01627 kg

Formal investigation

Formal investigation ever opened No

Close off details

Release ever ongoing No

Source details

Source Vessels (Not Storage) - Over Filled