The Norwegian union Fellesforbundet has broken off negotiations with the employers’ Federation of Norwegian Industries.
The move could increase the risk of strike action in thew country if no agreement is reached before midnight on April 2.
Staff from more than 800 businesses are said to have pledged to go on strike from the following day.
The decision could affect oilfield services companies including Aker Solutions, and Kongseberg.
Dispute over wage rises are common in Norway, with both unions and employers organisations findings themselves locked in negotiations.
Four years ago, a strike by oil workers reduced Norway’s oil and gas output.
Earlier today, it was revealed Norway’s unemployment levels had reached a record high amid the oil price plunge.
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