Production from a North Sea platform is expected to resume in the second quarter of the year after it was shut down on Boxing Day.
Marathon Oil has been carrying out a “comprehensive” investigation since the incident unfolded at the end of last year.
The platform normally produces around 21,000 barrels of oil equivalent per day.
A spokeswoman for Marathon Oil said the Brae Alpha installation had experienced a “process pipe failure” with resumption of full production “expected in the second quarter”.
Marathon Oil said last month its production available for sale averaged around 18,000 barrels of oil equivalent (boe) in the fourth quarter of last year compared to 20,000 the year before.
Around 7,000boe is normally netted by Marathon Oil from the installation.
The US oil and gas company is currently the operator of the Brae Alpha platform which is 155miles from Aberdeen.
The Brae Alpha platform is among the North Sea’s oldest platforms at 32 years old.
The incident also comes after the safety watchdog hit Marathon with an improvement notice following a leak on the platform in June.
Meanwhile, in November last year, the HSE said the incident had “put the health and safety of individuals on the platform at risk.”
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