(Alliance News) - BP PLC has been fined GBP7,000 after admitting an unpermitted discharge of crude oil in the North Sea.
About 95 tonnes of oil was released into the sea 75 miles west of Shetland in October 2016.
An investigation by the Department for Business, Energy and Industrial Strategy found a process failure resulted in the "significant amount" of oil leaking.
The company had intended to start production from a newly drilled well on the Clair Phase One offshore installation.
As it was not a routine operation, a specific written procedure was prepared by BP which was to be followed.
Regular water sampling should have been in place with results fed back to the control room, the investigation found, and written procedure was not specific on when results should be provided or when control should request late results.
As a result the crude oil was discharged into the North Sea.
On Tuesday at Aberdeen Sheriff Court, BP Exploration Operating Company Ltd pleaded guilty to a contravention of Regulation 3(1) of the Offshore Petroleum Activities (Oil Pollution Prevention and Control) Regulations 2005.
Alistair Duncan, head of the Crown Office health and safety investigation unit, said: "BP accepted liability and the Crown accepted their guilty plea to the contravention of the regulations.
"The lack of sufficiently robust procedures could have had a significant environmental impact, had these issues not been addressed.
"Thankfully there was no significant impact to the environment as a result of this incident and the company has introduced improved procedures since then.
"Hopefully this prosecution will serve as a reminder that failing to have sufficiently robust procedures and adhere to the regulations can have potentially serious consequences."
A BP spokesman told the PA news agency: "Safety is BP's core value and our operations are grounded in the principles of no accidents, no harm to people and no damage to the environment.
"On this occasion in 2016, we regrettably fell short of these high standards."
He added: "While there was no injury to people or significant impact on the environment, this incident should not have happened.
"In the period immediately after this incident, we carried out a thorough investigation and applied lessons learned.
"We remain as committed as ever to maintaining safe and reliable operations across our business."
Shares in BP were down 0.1% at 294.13 pence on Tuesday in London.
By Douglas Barrie, PA Scotland
source: PA
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