Talks were reported to have reached an advanced stage, with Goldman Sachs understood to have been engaged in the sales process and the putative acquisition close to being finalised, according to a source quoted by Norwegian business daily Finansavisen.

The main focus of Halliburton’s interest was said to be Aker Solutions’ core subsea business, with the latter’s field design activities a lesser attraction, although a source said the “sale of the entire company cannot be ruled out”.

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