Follow Jamie on: Advance Energy says its delighted with progress towards new Buffalo well "We are delighted to hear progress from Carnarvon to ensure drilling of the Buffalo-10 well is on track for later this year,” said Leslie Peterkin Advance Energy PLC (LON:ADV) said the Buffalo-10 well is currently planned to be drilled in the fourth quarter of 2021. The company in April completed its acquisition of a 50% interest in Carnarvon Petroleum Timor, which owns the Buffalo, offshore Timor-Leste, which is presently estimated to host some 34.3mln barrels of contingent oil resources and previously produced around 21mln barrels of crude over five years.