Petrobank works to boost Kerrobert output

08/19/2013
Petrobank Energy & Resources Ltd., Calgary, is testing two strategies to expand the combustion zone and raise production in a pioneering thermal heavy-oil project in Saskatchewan. The company hasn't been able to increase output at the Kerrobert project developed with its proprietary THAI fireflood technology in the southwestern part of the province (OGJ Online, May 15, 2012). The THAI process produces bitumen through horizontal wells with vertical air injection wells drilled near their toes. The injected air supports combustion that mobilizes and upgrades bitumen, which drains into the production well. The combustion zone expands from the toe of the horizontal well toward the heel. In...
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