Explorers and producers seem to be in a buying mood this year-for now, at least. Mergers and acquisitions (M&A) activity in the sector increased by 23 per cent in the first half of 2014 compared to the same period last year, according to Deloitte LLP's mid-year M&A survey. The organization says conventional oil reserves are the main driver of deals, such as Devon Energy Corporation's $2.8-billion sale of its conventional assets to Canadian Natural Resources Limited.
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