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Welcome from all of us
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CREWES Overview Advanced research and education in geophysical exploration in partnership with the resource industry Specifically, to develop multicomponent seismic methods to image and monitor the subsurface and its fluids
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The University’s Multicomponent Mandate
The 3C’s: to create, communicate and conserve knowledge possibly 4C: to commercialize
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People & Funding 7 faculty investigators, 12 research geophysicists and support staff 40 graduate students CREWES group budget (2003): $1,400,000/year 27 industrial $35k/yr NSERC (Gov’t of Canada) support $450,000/year Other research funding: $200,000/yr
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CREWES Strategy 3D reservoirs – ultimately need 3D analysis
P-wave imaging is usually best (fast, sharpened, in depth, and anisotropic) P-S analysis for lithology & imaging special cases Integrate VSP, well logs, & rock physics Research where there’s need & opportunity Plan, acquire, process, & interpret real data
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SEISMIC LITHOLOGY & FLUID IMAGING
CREWES Focus SEISMIC LITHOLOGY & FLUID IMAGING FIELD OPS. & INSTRUMENTS PHYSICAL MODELING NUMERICAL MODELING BOREHOLE & HIGH-RES. SIGNAL PROCESSING INTERPRET. & CASES
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CREWES Special Interest
Plains (Blackfoot, Red Deer, Swift Current – lithology, coal-bed methane, inversion) Heavy Oil (Cold Lake, Pikes Peak, Jackfish) – shallow imaging, lithology, thermal monitoring Arctic (Mackenzie Delta, Devon Island) – permafrost, methane hydrates, fixed/floating ice Marine 4-C (White Rose, Sable, GoM, N. Sea) – OBC/S technology, reverb/multiples Structural areas (Copithorne)
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Challenges & Research Areas from CREWES survey 2002
3 3C VSP analysis 3 Decon / phase for PS 3 PS Statics 3 Sub-gas imaging 4 Velocity model building 5 PP and PS Correlation/Interpretation 5 Joint Vp, Vs, ρ estimation (inversion) 5 Depth imaging (2D & 3D) 5 Multiple removal (PZ, 4-C)
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6 Receiver (and source) vector fidelity 8 Q estimation & filtering
increased resolution in PP & PS for lithology and fluids 8 Anisotropy analysis (VTI, azimuthal, γ) Fracture characterization
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Activity/Interest Indicator: Abstract Keywords 2003 Ann. Intl
Activity/Interest Indicator: Abstract Keywords 2003 Ann. Intl. SEG Meeting, Dallas Subject ~ # references 3D Migration Res. Char Modeling Anisotropy 88 PS/Multi/C 84 Inversion Velocity Imaging AVO Rock phys. 60 Fractures
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