IRS/2024/3965/OPPC

Notification details

Status	Completed
First observed date	23 January 2024
First observed time	13:30
Organisation involved	BP EXPLORATION OPERATING COMPANY LIMITED
Installation	Glen Lyon FPSO
Field	SCHIEHALLION
Latitude	60° 21' 24.0'' N
Longitude	4° 4' 0.0'' W
Quadrant / block no.	204 / 20

Breached conditions details

Related to a breach of an approved permit	Yes
Breached conditions	Glen Lyon's discharge from the preheaters (discharge point 2) exceeded the average monthly value of 30 mg/l for February 2023. Reported for February was 30.79 mg/l for a flow of 10m3. For 2023 there have been various plant instabilities where the average oil in water (OiW) has been sometimes >30mg/l. This case was investigated as part of the existing process to understand the higher OiW values.
Total oil discharged	0.0003 tonnes

Non-compliance details

Related to discharge limits in Table 1	Yes
Non-compliance reasons related to discharge limits in Table 1	Monthly average concentration
Related to other discharge information in Table 1	No
Related to Table 2	No
Non-compliance ever ongoing	No

Formal investigation

Formal investigation ever opened	No