Integrating seismic, well and CSEM data

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Porosity derived from seismic inversion Porosity Average porosity in the top 24m of the chalk: can find the reservoirs but not the content Data courtesy Maersk Oil, Shell and Chevron ©2011 RSI ‐ RockSolidImages.com Extraordinary results. By any measure.
2D constrained inversion • CSEM data alone has poor structural resolution • Use the seismic structure to constrain the CSEM inversion by allowing breaks in smoothness at top and bottom chalk. •In each case invert 0.05Hz, 0.25Hz and 0.6Hz amplitude and phase Data courtesy Maersk Oil, Shell and Chevron ©2011 RSI ‐ RockSolidImages.com Extraordinary results. By any measure.
Page 1 and 2: Extraordinary results. By any measu
Page 3 and 4: Agenda • An introduction to marin
Page 5 and 6: Historical perspective ©2011 RSI
Page 7 and 8: Controlled Source ElectroMagnetics
Page 9 and 10: Source High powered dipole source w
Page 13 and 14: The CSEM world in 2007…….what w
Page 17 and 18: Each method has its strengths…. C
Page 19 and 20: Appraisal • The Luva gas field li
Page 23 and 24: Gassmann fluid substitution D E P T
Page 25: Both seismic and CSEM data are need
Page 29 and 30: Transverse resistance Data courtesy
Page 31 and 32: Chalk Resistivity Sections: based o
Page 33 and 34: Comparing CSEM and seismically deri
Page 35 and 36: Seismic & CSEM together! Seismic av
Page 39 and 40: SEG 2011 European Lecture “Integr

Integrating seismic, well and CSEM data

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