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- W2185235298 abstract "Because of its thick sediment wedge and obvious structures, most of the exploration focus in Arctic Canada has been devoted to the Beaufort-Mackenzie Delta. Almost three decades of exploration in that area have resulted in 48 conventional oil and gas discoveries both onshore and offshore, thus establishing the presence of a “world class” petroleum province. But looking northeast, the contiguous Canadian Arctic Passive Margin (CAPM) offshore from Banks Island remains largely unsurveyed by modern seismic methods and un-tested by exploratory drilling. Consideration of the improvements in sea-ice conditions and advances in seismic technology, as well as the proximity to the Mackenzie Delta and geological analogy with the petroliferous Alaskan conjugate passive margin, therefore prompt our new regional studies. The Banks Island continental margin clearly deserves serious consideration as an attractive exploratory target. To expand the knowledge of the basin architecture, ION Geophysical (GX Technology) has acquired more than 4,000 km of 2-D long-offset reconnaissance seismic data in the area in three seasons since 2006 as a part of the BeaufortSPAN™ program (Helwig, Kumar and Dinkelman, this meeting). The seismic lines are located parallel and perpendicular to the Banks Island margin and in the Amundsen Gulf to the south. Cognizant of deep-water potential, the lines extend as far as possible offshore as permitted by ice conditions and environmental considerations. The SPAN™ programs have been designed to image down to the base of the crust with a 9-km long cable, 18-second recording, and final depth processing (Prestack Depth Migration) to 40 km. The seismic data are interpreted together with collected gravity-magnetic data to regionally map the ocean-continent boundary and the top of MOHO discontinuity, and tied to existing well data wherever possible to identify the major stratigraphic sequences. Thus the study is designed to image the entire crust and basin architecture, and the seismic resolution within exploration depths (down to 8 km or so) is excellent, revealing details of structural and stratigraphic features (Dinkelman and others, 2008). Seismic interpretation identifies large structures and a classic passive margin sedimentary prism underlying the Banks Island margin, having all the components of the known significant petroleum systems of the Arctic passive margin, i.e. reservoir, source, seal, traps and timely migration. The Late Mesozoic-Tertiary sedimentary wedge is 8-10 km thick at the shelf edge and upper slope outside the boundaries of the Mackenzie Delta along the Banks Island margin. Although well calibration is available only from the inner" @default.
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- W2185235298 date "2009-01-01" @default.
- W2185235298 modified "2023-09-24" @default.
- W2185235298 title "New Insights into a Potential Major Petroleum Province off Banks Island, Canadian Arctic Passive Margin, from BeaufortSPAN™ 2-D Seismic Data" @default.
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- W2185235298 hasPublicationYear "2009" @default.
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