20th Formation Evaluation Symposium of Japan,
2014. Society of Petrophysicists and Well Log Analysts
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Unconventional reservoirs are being actively developed particularly in North America. In general, it is important for the operators of these types of reservoirs to identify “sweet spots” where they can develop the reservoir with lower cost than other areas in the basin.
In this study conventional petrophysical property measurements such as porosity, permeability and Total Organic Carbon (TOC) were conducted on samples collected from the Early Triassic Montney tight gas fairway in the Western Canadian Sedimentary Basin. More than 60 samples from five vertical wells were used to characterize geological features of the Montney Formation. In addition, advanced laboratory apparatus such as NMR, micro focus X ray CT imaging and Focus Ion Beam Scanning Electron Microscope (FIB/SEM) were fully integrated with the conventional measurements. With the support of these advanced measurements, gas generation and storage mechanisms and the range of reservoir quality in the Montney Formation are discussed in this paper. The results of this study will lead to improved delineation of “sweet spots” in the Montney tight gas fairway.
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