Harbour Energy, one of the biggest independent oil and gas producers in the UK North Sea, said on Friday it would buy all the subsidiaries of Waldorf Energy Partners Ltd and Waldorf Production Ltd substantially, in the latest merger announcement in Britain’s oil and gas province. Harbour Energy will pay $170 million for the acquisition of the companies that are currently in administration in a deal that is immediately materially accretive to Harbour’s free cash flow and will support the competitiveness, resilience, and longevity…