... of fluid and fracture using observable azimuthal seismic reflection data in an oil-bearing fractured porous reservoir. The unfractured porous medium is, as far as scattering theory is concerned, the background medium, and the fractured medium is corresponding to the perturbed medium. The elastic parameters...

... Building a heterogeneous Q model in depth domain using seismic reflection data and image ray: an example from Daqing oil field of China Hao Zhang* 1 1 Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, P.R.China. Summary The anelasticity of subsurface medium...

... impedance self-organized mapping workflow log impedance self-organizing map predict rock property parra upstream oil & gas seismic data machine learning mapping seismogram synthetic seismogram seismic reflection data reservoir characterization facies artificial intelligence well log...

... signals: Physica D. Nonlinear Phenomena , 58 , 95 – 126 , 10.1016/0167-2789(92)90103-T . seismic reflection data wave field seg seg international exposition low vertical displacement time slice ssa upstream oil & gas geophysics algorithm synthetic data migrated section...

...Feasibility of broadband estimation of acoustic impedances from first principles and band- limited seismic reflection data Animesh Mandal*, Department of Earth Sciences, Indian Institute of Technology Kanpur; Santi Kumar Ghosh, Theoretical Modeling Group, CSIR-National Geophysical Research...

...-processing techniques which aim to improve the accuracy of Q estimation were discussed. Presentation Date: Tuesday, October 18, 2016 Start Time: 9:15:00 AM Location: 143/149 Presentation Type: ORAL attenuation bandwidth spectrum seismic reflection data peak frequency schematic diagram...

... space. workflow noise inversion result application full waveform inversion seismic reflection data virieux gas sand geophysics inversion upstream oil & gas information reservoir characterization gradient brossier laplacian model space fwi gradient full-waveform inversion...

... semblance criterion for inversion of multioffset seismic reflection data: Journal of Geophysical Research: Solid Earth (1978 2012), 98, 2061 2073. Tarantola, A., 1984, Inversion of seismic reflection data in the acoustic approximation: Geophysics, 49, 1259 1266. 2005, Inverse problem theory and methods...

... Summary Seismic reservoir characterization aims building subsurface models by integrating well-log with seismic reflection data within the geo-modeling workflow. Seismic inversion allows the inference of the Earth’s subsurface elastic properties and is most times an intermediate step...

... small changes in layer thicknesses and/or velocities within the unsaturated layer, as well as large velocity gradients, can significantly affect high-frequency shallow seismic reflection data in the form of statics, increased source-generated noise, lower dominant frequencies, and uninterpretable...

...Elastic wave-field inversion of seismic reflection data for high-resolution near-surface characterization Gabrio Rizzuti and Dries Gisolf, Delft Inversion SUMMARY In this paper we present a novel approach to solving the near surface problem. Rather than reconstructing the near surface velocities...

... Summary The integration of seismic reflection data into subsurface reservoir models is an essential step during the geo-modeling workflow. Geostatistical seismic inversion methodologies allow retrieving subsurface elastic models (e.g. acoustic and/or elastic impedances) by integrating well...

... application amplitude shot gather seismic reflection data reservoir characterization reflection high resolution seismic reflection data sparse well data upstream oil & gas Delineating shallow basement faults on high-resolution seismic reflection data plagued with extreme static in NE Wisconsin...

... plateau upstream oil & gas fracture zone conjugate plateaus seg houston 2013 reservoir characterization separation moulin university dataset plate reconstruction plateau deformation guinea plateau gravity evolution seismic reflection data continental margin equatorial atlantic...

... Summary High-resolution seismic reflection data successfully imaged active and paleo-subsidence events associated with the natural dissolution front along the eastern margin of the Hutchinson Salt in central Kansas. Since late Tertiary, undersaturated groundwater has had access to the eastern...

...Bi-objective optimization for the inversion of seismic reflection data: Combined FWI and MVA Clement Fleury* and Francesco Perrone, Center for Wave Phenomena, Colorado School of Mines SUMMARY The inversion of seismic reflection data is challenging due to the oscillatory nature of the seismic data...

... seismic reflection data velocity model ground roll fwi fwi model inversion real data onshore data prestack depth imaging upstream oil & gas geophysics imaging waveform inversion seg Benefits of FWI in Prestack Depth Imaging of Onshore Data: a Gulf Coast example Sabaresan Mothi*, Hongbo...

.... inverse geophysics direct inversion perturbation differenced seismic reflection data linearized inverse imaging reservoir characterization reflection upstream oil & gas application difference data seismic reflection data time-lapse problem structural change time-lapse difference data...

... indicate that the multi-stage prestack full waveform inversion strategy is practical for tight gas sand detection in this region. upstream oil & gas information optimization problem seismic reflection data xujiahe formation crp gather acoustic impedance velocity model waveform inversion...

... frequencies in seismic data than FWI in time or Fourier domain. It is shown that starting from a very simple initial model it can recover the long wavelength of the model. laplace domain inversion seismic reflection data upstream oil & gas geophysics shin earth structure field data initial...