IRS/2025/6108/OCR

Notification details

Status	Completed
First observed date	23 April 2025
First observed time	16:17
Organisation involved	ONE-DYAS UK LIMITED
Installation	Sean PP Platform
Field	SOUTH SEAN
Latitude	53° 11' 23.0'' N
Longitude	2° 51' 45.0'' E
Quadrant / block no.	49 / 25

Breach details

Related to a breach where an OCR permit is in place	Yes
Breached conditions	2. Permitted chemicals. The permit holder shall ensure that only chemicals detailed in the permit application are used or discharged during the operations covered by the permit and in accordance with the conditions detailed in the permit.
Related either wholly or partially to use and/or discharge of a chemical(s)	Yes

Chemical 1

Chemical product released	methanol
Total quantity of chemical used in excess of permitted quantity (kg)	305
Total quantity of chemical released in excess of permitted quantity (kg)	0

Chemical 2

Chemical product released	RO SC M7259
Total quantity of chemical used in excess of permitted quantity (kg)	596
Total quantity of chemical released in excess of permitted quantity (kg)	0

Related to a subsea discharge	No
Was the subsea discharge greater than 1 tonne over 12 hours	No
Was the non compliance ever ongoing	No

Formal investigation

Formal investigation ever opened	No