Figure 1. Pressure distribution for a hydraulic fractured — 0.1md reservoir.
(Graphics courtesy of Fekete)
The depletion of conventional gas reservoirs has shifted the focus of the petroleum industry to unconventional resources. Unconventional gas resources such as coalbed methane (CBM), tight gas, hydrates and shale gas account for a large majority of the remaining gas resources in the world. While CBM and tight gas have been attractive targets for companies operating in Western Canada, shale resources remain relatively untouched.
Western Canada shale gas potential
Assessing the potential of...