There is no evidence of blacklisting on a North Sea platform where workers carried out unofficial strike action, according to a union chief.
Employees for contractor Aker Solutions downed tools at the Mariner field for eight hours on Saturday and are believed to have declined work on Sunday.
A spokesperson for the group said it was over “poor working conditions, poor management, possible blacklisting and having an offer of a bonus removed”.
However, a union official says there should be no concerns of blacklisting on the Mariner.
John Boland, regional organiser for Unite, said: “I have heard nothing regarding blacklisting on the Mariner. I think there is a general feeling that there’s some kind of blacklisting on every platform. It’s very hard to prove.”
The Statoil platform lies 95 miles east of Shetland.
Mr Boland said he had evidence of three other operators carrying out blacklisting this year, including Repsol Sinopec Resources UK (RSRUK).
Last month, Energy Voice exclusively revealed that a document which appeared to be a blacklist had been found on RSRUK’s Claymore platform.
At the time, RSRUK said it took the allegation “very seriously” and would be “reinforcing existing guidance” at all of its sites to ensure correct practices are carried out.
The firm added that it had found “no evidence” to suggest any personnel have been treated unfairly.
Mr Boland added: “The only incidents that we can prove are where we have actual letters.
“On Mariner, blacklisting is not one of the things we have heard about.”
Aker Solutions confirmed earlier this week that a pre-planned meeting with staff was carried out to address the issue.
It is understood that work is continuing on the mega-project following the weekend’s dispute.
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