Abstract: LSPSM for Pre-and Poststack Time Lapse Studies; #90187 (2014)

Abdolnaser Yousefzadeh and John C. Bancroft

Search and Discovery.com

... , , and are the recorded data, forward modeling operator, and reflectivity for the baseline survey, respectively. Assume the Earth’s reflectivity changes from...

Acoustic nonlinear full-waveform inversion on an outcrop-based detailed geological and petrophysical model (Book Cliffs, Utah)

Daria Tetyukhina, Stefan M. Luthi, Dries Gisolf

AAPG Bulletin

... all internal multiples and transmission effects. A nonlinear acoustic full-waveform inversion is then applied to the synthetic data, and two media...

PS reflection-based full-waveform inversion using single-mode propagator

Yongbo Zhai, James Xu, James Rickett, Peng Wang, Xin Cheng, Denes Vigh, Suyang Chen, Cara Smith

International Meeting for Applied Geoscience and Energy (IMAGE)

... modeling of the shear (S) wave velocity remains challenging and often overlooked. Although full elastic modeling allows us to simulate all major seismic...

Fracture Modeling in a Dual Porosity Volcaniclastic Reservoir: A Case Study of the Precuyo Group in Cupen Mahuida field, Neuquén, Argentina, by Martin Zubiri and José Silvestro, #20045 (2007).

Search and Discovery.com

Applying DHI/AVO Best Practices to Successfully Identify Key Risks Associated with a Fizz-Water Direct Hydrocarbon Indicator in the Norwegian Sea

W. A. Fahmy, J. M. Reilly

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... properties from environment of deposition interpretation were extracted and input into the modeling and results were compared to that from the calibration...

Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey

Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham

Indonesian Petroleum Association

...) dataset include not only the illumination improvement, increase in signal-to-noise and event continuity, reducing multiples and enhancing amplitude...

2-D and 3-D Prestack Depth Migration for Complex Geologic Structures Offshore Indonesia

M. Murphy, R. Ottolini, R. Estill, E. Lumadyo, M. Mathias

Indonesian Petroleum Association

... velocity analyses. The model is developed iteratively from the surface downward. Modeling packages such as GOCAD assist the data integration and 3-D...

Abstract: The Modernized U of C Seismic Physical Modelling Facility; #90171 (2013)

Joe Wong, Kevin W. Hall, Eric V. Gallant, Rolf Maier, Malcolm B. Bertram, and Don C. Lawton

Search and Discovery.com

... are reasonably consistent from one transmitter to another, the character of multiples and events coming from below the top of the phenolic body vary...

Impedance Inversion Transforms Aid Interpretation, by Satinder Chopra and Ritesh Kumar Sharma; #41622 (2015).

Search and Discovery.com

Seismic Characterization of a Shallow Gas-Hydrate-Bearing Reservoir on the North Slope of Alaska, by Andrew M. Hennes, Roy A. Johnson, Robert R. Casavant; #90035 (2004)

Search and Discovery.com

Chapter 3: Seismic Data Acquisition, Processing, and Interpretation in the Cook Inlet Basin — Local Geologic and Logistical Impacts

Diane P. Shellenbaum

AAPG Special Volumes

... modeling of extreme tidal conditions in Upper Cook Inlet, Alaska, BER Report Number 587-183: Tuscaloosa, AL, Bureau of Engineering Research, University...

Chapter 4: Synthetic Seismograms and Their Uses

Tom Wittick

North Texas Geological Society

... the seismic data are free of multiples, diffractions, and noise and that there are no discontinuities in the subsurface). In other words, we can make a one...

Synthetic Seismograms and Their Uses

Abilene Geological Society

... of multiples, diffractions, and noise and that there are no discontinuities in the subsurface). In other words, we can make a one-dimensional model...

Impact of full-wavefield inversion (FWI) based high-resolution model building and Q imaging on exploration and development at Guyana Stabroek

Fuxian Song, Patrick Monigle, Jia Yan, Vikas Gudipati, Xu Li, Sunwoong Lee, Sam Hemmings-Sykes, Ashlika Persaud, James Pape, Lee E Gilchriest, Amir Abdi, Emily Lalli, Anupama Venkataraman, Ramesh Neelamani, Steve Knapp, Krista Solvason

International Meeting for Applied Geoscience and Energy (IMAGE)

..., we address the amplitude dimming issue below the shallow gas bodies through the FWI-enabled Q modeling and imaging. The resulting high-resolution...

Image processing of jointly acquired 3D DAS-VSP data with an OBN survey in the Middle East

G. Yu, H. Liu, Y. Zhang, H. Chen, X. Li, L. Duan, G. Cambois, J. Cowell, J. Mason, Y. Chen, J. Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... for operator evaluation. Most solvers need adjoint link between forward/adjoint operators. DIC in migration needs modeling operator change, requiring...

De-risking Appraisal Phase in the Recent Gas Discovery in Banggai-Sula Basin, Central Sulawesi: Application of AVO Analysis and Pre-stack Inversion in the Sub-ophiolite Reef Carbonate Play

Mufied Ahmad, Yudi Herdiana, Tika R. Pertiwi, Hendarsyah, Arie Naskawan

Indonesian Petroleum Association

... modeling and actual CDP in the well locations. Several CDPs inside and outside the closure were also examined to check the consistency. The slice of partial...

Reducing Reservoir Characterization Uncertainties and Improving Field Recovery through Four-Dimensional Seismic Technology: An Integrated Four-Dimensional Seismic Interpretation Workflow

Jie Zhang, Dez Chu, Ganglin Chen, Kelly Wrobel, William L. Soroka

AAPG Special Volumes

... analysis and reservoir modeling More than one-half of the world's remaining hydrocarbon reserves are in carbonate rocks. Reservoir complexity...

Application of least squares one-way wave migration in irregular sampling data of Bohai Bay Basin

Lv Yongchang, Li Daoshan, Wang Yongming, Meng Jie, Feng Xukui, Hu Dan, Wu Xiaofeng, Kong Zhaoju

International Meeting for Applied Geoscience and Energy (IMAGE)

... technology is not the inverse of Born forward modeling, but its conjugate. Because the field acquisition and imaging processing are affected...

Diagnostic Applications of Borehole Hydraulic Signal Processing

Connor J. Clark, Jennifer L. Miskimins, Dana L. Gallegos

Unconventional Resources Technology Conference (URTEC)

... can be loosely grouped into two separate methodologies: numerical modeling and statistical analysis. The foundation for the use of water hammer URTeC...

Acoustic target-level full-waveform inversion: Applied to ocean-bottom seismic data

Carlos A. N. da Costa, João M. de Araújo, D.J. Verschuur, Aydin Shoja

International Meeting for Applied Geoscience and Energy (IMAGE)

... to any error related to simulating free-surface multiples, once the modeling is carried out directly from the downgoing wavefield. In this work, we...

Rapid Multiple-Scenario Depth Structure Risk Analysis Case Study in Cuulong Basin, Vietnam

Nguyen Nam, Hong Shien Lee

Indonesian Petroleum Association

... of combining data inputs and velocity interpolation methods to build model. Using Landmark DepthTeam Express velocity modeling package, by simply turning...

Time-domain extended-source full-waveform inversion for acoustic vertically transversely isotropic media: Theory and numerical validation

Gaoshan Guo, Stephane Operto, Hossein S. Aghamiry

International Meeting for Applied Geoscience and Energy (IMAGE)

... with the successful reconstruction of the Valhall model from longoffset data using surface multiples, crude starting models, and realistic starting frequencies...

Vz denoise and P/Z matching in 3D curvelet domain

Yong Ren, Chenhao Yang, Tim Seher, Matt Hawke, Eddie Cho

International Meeting for Applied Geoscience and Energy (IMAGE)

... the combination of hydrophone (P) and vertical geophone (Z) components to separate upgoing and downgoing wavefields while attenuating ghosts and multiples...

Towards more accurate reservoir imaging using FWI: An OBN case study at Trion

Zhen Wang, Sen Mei, Zhuocheng Yang, Joakim Blanch, Ezequiel Genova, Juan-Mauricio Florez-Nino, Humberto Salazar-Soto, Alfredo Vazquez-Cantu

International Meeting for Applied Geoscience and Energy (IMAGE)

...-squares fitting to the full-wavefield data, including transmission waves, primary reflections, and their multiples, which leads to images with additional...

Pie in the Sky?

Ed Hagar

GEO ExPro Magazine

... and therefore relative to it, as in the example of multiples. Tests have already been run with single cluster sources with some success, showing that smaller...