Practical Application of Adaptive Least-Squares Reverse Time Migration (LSRTM) to Advance Field Development and Uncover New Reserves in the Subsalt Provinces

Chong Zeng, Shuqian Dong, Zhaohong Wu, Jean Ji, Darrell Armentrout, Bin Wang

GCAGS Transactions

.... 110–113. Tang, Y., 2009, Target-oriented wave-equation least-squares migration/inversion with phase-encoded Hessian: Geophysics, v. 74, p. WCA95...

The Threshold of Grain Motion Under Oscillatory Flow in a Laboratory Wave Channel

John R. Dingler

Journal of Sedimentary Research (SEPM)

... is the fluid density, g is the acceleration of gravity, and do is the near-bottom orbital diameter. The equation um = d0/T, (2) where T is the wave...

2009 Gulf Coast Association of Geological Societies 59th Annual Convention, September 27-29, 2009, Shreveport, Louisiana Hosted by Shreveport Geological Society, #90093 (2009)

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AAPG/SEG Student Expo, September 16-17, 2013, Houston, Texas; - Abstracts, #90182 (2013).

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Abstract: Simultaneous P-P and P-S Waveform Inversion Algorithm Using Pre-Stack Time Imaging Method ; #90187 (2014)

Hassan Khaniani, John C. Bancroft, and Eric von Lunen

Search and Discovery.com

... a forward modeling and a depth migration. The forward modeling engine, which is usually based on a finite difference solution of the elastic wave equation...

Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)

Waheduzzaman Talukder and Ralph Phillip Bording

Search and Discovery.com

...Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014) Waheduzzaman...

Abstract: Prestack Depth Migration with the Gabor Transform; #90211 (2015)

Yongwang Ma and Gary Margrave

Search and Discovery.com

... CSPG/CSEG/CWLS Convention 2006, What’s New? Where is Our Industry Heading? Calgary, AB, Canada, May 15-18, 2006 Gazdag, J., 1978, Wave equation...

Abstract: The Approximate use of 1D Internal Multiple Prediction in a Multidimensional World: Errors and Recommendations; #90224 (2015)

Pan Pan and Kris Innanen

Search and Discovery.com

... are based on the wave equation and use recorded data to predict multiples by wave extrapolation and inversion procedures. These wavefield methods...

Abstract: Implementation of Classical and Advanced Geophysical Techniques to Evaluate the Gas Potentialities in West Abu Dhabi, UAE; #91204 (2023)

M. Alqaydi, M.A. Alaraby, H. Al Marzooqi, A.D. Alharthi, Muhammad Zeeshan Baig

Search and Discovery.com

... attribute data. To be more explicit, all the parameters contained in the wave-equation are possible candidates (for example, velocity, density, porosity...

Gas Hydrate Geohazard Assessment in the Northern Gulf of Mexico Using a Vertical Line Array, by Erika Géresi, N.R. Chapman, T.M. McGee, and J.R. Woolsey, Article #40159 (2005)

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Study on Characteristic Variability of Weak Signal in High Density Seismic Acquisition; #41351 (2014)

Wujin Chen and Anchu Wu

Search and Discovery.com

... Viscoelastic medium wave equation forward modeling on earth model with P wave source surface centered, dominant frequency is 40Hz, sampling interval is 2.5m...

Seismic Imaging of the Overturned Limb of a Footwall Syncline in the Alberta Foothills of the Canadian Rocky Mountains and Its Impact on Exploration; #30533 (2017)

Andrew C. Newson

Search and Discovery.com

... synthetic seismic shot records were simulated from this model using a finite-difference numerical representation of the wave equation that included P...

Fractured Bedrock Hydrogeologic Characterization Using Digital Rock Physics, #42398 (2019).

Eric Goldfarb, Logan Shmidt, Ken Ikeda, Omar Alamoudi, Daniella Rempe, Nicola Tisato,

Search and Discovery.com

... difference method simulation to solve the wave equation at each node through the model of the fractured sample and computed wave-speeds. Fluid flow can...

An Interpretation of the Multichannel Seismic Reflection Profiles Across the Continental Margin of the Dumont d'Urville Sea, off Wilkes Land

M. Tanahashi, T. Saki, N. Oikawa, S. Sato

Circum Pacific Council Publications

... a wave equation (F-K) migration process was applied to selected data. Magnetic and gravity measurements were made along all survey tracks using...

Supercritical Flow in Density Currents

Bryce M. Hand

Journal of Sedimentary Research (SEPM)

.../wavelength relationship defined by Kennedy can be extended to density currents through use of the internal wave equation. Unfortunately, however, observation...

CSPG/CSEG/CWLS GeoConvention 2009, May 4-8, 2009 Roundup Centre, Stampede Park & ERCB Core Research Centre, Calgary, Alberta, Canada; - Abstracts, #90171 (2013).

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CSPG/CSEG/CWLS GeoConvention 2009, May 4-8, 2009 Roundup Centre, Stampede Park & ERCB Core Research Centre, Calgary, Alberta, Canada; - Abstracts, #90171 (2013).

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Multiscale Seismic Models of Complex Fracture Networks

Richard L. Gibson Jr., Yalchin Efendiev, Judith Chester, Yongchae Cho, Edith Sotelo

Unconventional Resources Technology Conference (URTEC)

... the equation −∇ ∙ 𝜏 𝜙 ! = 𝜆𝜌𝜙 ! . (3) The boundary condition applied in this problem is 𝜙 ! = 0. Each solution is a standing wave mode for the cell K...

The use of spectral recomposition in tailored forward seismic modeling of outcrop analogs

Mark Tomasso, Renaud Bouroullec, David R. Pyles

AAPG Bulletin

.... Sherwood, 1976, The wave equation applied to migration: Geophysical Prospecting, v. 24, p. 380399, doi:10.1111/j.1365-2478.1976.tb00934.x.Middleton, M. F...

Learned coupled inversion for carbon sequestration monitoring and forecasting with Fourier neural operators

Ziyi Yin, Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... (the patchy saturation model (Avseth et al., 2010)), to the wave equation, Li et al. (2020a) proposed an end-to-end inversion framework where time-lapse...

Geometric mode decomposition method for diffraction separation

Peng Lin, Suping Peng, Yang Xiang, Chuangjian Li, Xiaoqin Cui

International Meeting for Applied Geoscience and Energy (IMAGE)

... analysis algorithm. Using the wave-equation-based methods, Zhang et al. (2020) consider the two-way imaging condition to image the subsurface...

Joint physics-based and data-driven time-lapse seismic inversion: Mitigating data scarcity

Yanhua Liu, Shihang Feng, Ilya Tsvankin, David Alumbaugh, Youzuo Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... reconstructs the model parameters by solving the wave equation iteratively. Common time-lapse FWI (TLFWI) strategies (Asnaashari et al., 2015) include...

Stepsize sharing in time-lapse full-waveform inversion

Xin Fu, Kristopher A. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... () is a forward modeling operator based on the wave equation, and m is the updating model (e.g., P-wave velocity). Via some appropriate optimization...

PWD-PINN: Slope-assisted seismic interpolation with physics-informed neural networks

Francesco Brandolin, Matteo Ravasi, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... be described by the local plane wave differential equation (PDE), that allows to predict each of the traces from the previous one, given the knowledge...

Aspects to the Resolving Power of 3D Seismic Surveys

Wolfgang Houba

Geological Society of Malaysia (GSM)

... sections for interpretation work. The basic mathematical tool is the acoustic wave equation which enables us to derive the wave field at any depth...