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PON1/7696

Notification details

Status Completed
First observed date 20 August 2018
First observed time 20:00
Incident type(s) Chemical release
Organisations involved Diamond Offshore Drilling (UK) Ltd, Chevron North Sea Limited
Installation Ocean Guardian
Installation type Mobile
Field Captain Field
Latitude 58° 18' 22.0'' N
Longitude 1° 42' 51.0'' E
Quadrant / block no. 3 / 22

Chemical 1

Chemical product released BARAZAN
Total quantity of chemical released 50.0 kg

Chemical 2

Chemical product released BaraFLC W-445
Total quantity of chemical released 518.0 kg

Chemical 3

Chemical product released Baracarb (all grades)
Total quantity of chemical released 1818.0 kg

Chemical 4

Chemical product released Caustic Soda
Total quantity of chemical released 10.4 kg

Chemical 5

Chemical product released GEM GP
Total quantity of chemical released 4.5 kg

Chemical 6

Chemical product released POTASSIUM CHLORIDE BRINE
Total quantity of chemical released 31706.0 kg

Chemical 7

Chemical product released SODA ASH
Total quantity of chemical released 25.0 kg

Formal investigation

Formal investigation ever opened Yes

Close off details

Release ever ongoing No

Source details

Source Pit Valves - Opened