Great Bear Petroleum has started drilling the first of its ambitious three-well programme on Alaska’s North Slope, targeting conventional and unconventional reserves from the Shublik and Kingak shale formations.

Off the exploration radar the past few years, Great Bear chief executive Ed Duncan said the small independent has been forging ahead behind the scenes evaluating the results of its two-well 2012 drilling programme and acquiring nearly 500 square miles (1295 square kilometres) of 3D seismic in 2013.

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