Sumitomo Corp is selling off some of its older assets in the UK sector of the North Sea following its recent purchase of Oranje-Nassau Energy's (ONE) portfolio of oil assets. Petro Summit Investment UK is seeking offers by the end of September for the oil-focused portfolio in the UK Central North Sea. The portfolio includes stakes in nine producing oil fields, with a production of about 5,000 boe/d, plus developments and an exploration portfolio.
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