HOUSTON, Nov. 21 -- Petrobank Energy & Resources Ltd. and True Energy Trust, both of Calgary, announced plans to demonstrate the effectiveness of toe-to-heel air injection (THAI) to recover conventional heavy oil from a +10-m thick Mannville channel reservoir in Kerrobert field, Saskatchewan. The initial test will involve two wells.
THAI is an in-situ combustion process, patented by Petrobank, that combines a horizontal producing well with a vertical air-injection well placed at the toe.
Since 2006, Petrobank in its Whitesands project has been testing the THAI process in the Athabasca oil sands of Alberta under a variety of operating conditions.
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