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The AAPG/Datapages Combined Publications Database

Showing 33,170 Results. Searched 200,619 documents.

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Multiparameter FWI imaging in the Gulf of Mexico

Tom Rayment, Karen Dancer, James McLeman, James Penwarden, Tim Ooi, Monica Hartmann

International Meeting for Applied Geoscience and Energy (IMAGE)

... wave-equation-based algorithms such as reverse time migration (RTM). Multi-parameter full-waveform inversion (MP-FWI) imaging is a novel approach...

2023

Clinoform Progradation by Turbidity Currents: Modeling and Experiments

Thomas P. Gerber, Lincoln F. Pratson, Matthew A. Wolinsky, Ron Steel, Jere Mohr, John B. Swenson, Chris Paola

Journal of Sedimentary Research (SEPM)

... evolution assume that under constant (sea level, sediment supply) forcing progradation occurs via continuous basinward migration of a depocenter localized...

2008

Integrating legacy data with new towed-streamer acquisition tuned for imaging objectives: A Campos Basin case study

Jon Burren, Derek Unger

International Meeting for Applied Geoscience and Energy (IMAGE)

... driven updates to the velocity model. Well Calibration Final Assessment The dataset was imaged using a TTI Kirchhoff Pre-Stack Depth Migration (KPSDM...

2022

High-resolution elastic full-waveform inversion using ocean-bottom nodes in Santos Basin, Brazil

Marilia Carneiro, Nathalia Ladeira Casado, Juliana Igarashi da Cruz, Pedro Barros, Chirag Parekh, Emmanuel Saragoussi, Bernardo Quijano

International Meeting for Applied Geoscience and Energy (IMAGE)

... lateral velocity variations emerging from layers of carbonates, complex series of evaporites, such as halite and anhydrites. This complexity intensifies...

2024

Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing

R. Malcolm Lansley

AAPG Special Volumes

... not only to the accuracy of the migration algorithms, but also to the accuracy of the velocity field that is used for the imaging. It should...

2011

Seismic Diffraction Imaging of Reservoir Fractures with DAS Seismic Data in a Horizontal Well

Brian Fuller

Unconventional Resources Technology Conference (URTEC)

... modeled for three different positions in a constant velocity medium of 10,000 ft per second, at a horizontal DAS cable depth of 8,800 ft...

2022

Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)

Sam T. Kaplan

Search and Discovery.com

... are the migration velocity model. The latter being, roughly, the lateral average of the former. More succinctly, we say that ψ s = Lα , and write...

2013

Abstract: DREAM™ - Drilling and Real Time Migration: A New Method for the Geophysical Monitoring of Wells

Luca Bertelli, Luca Savini, and Luca Aleotti

Houston Geological Society Bulletin

... update the velocity field while drilling, and thus to refine the depth model and iterate the depth migration. The seismic velocities obtained...

1996

Three-Dimensional Seismic Modeling and Seismic Facies Imaging

Hongliu Zeng , Noel Tyler , Milo M. Backus

GCAGS Transactions

...-free 3-D synthetic seismic cubes, as occurs in the case of perfect 3-D migration. STRATAL SLICING Current approaches of peak-picking or computer auto...

1995

Simulation of Gas Adsorption and Capillary Condensation in Shale Nanopores Using Lattice Boltzmann Modeling

Rui Xu, Maša Prodanović, Christopher J. Landry

Unconventional Resources Technology Conference (URTEC)

... of discrete velocity directions. The functional form of LBM is shown as follows, 𝜕𝑓 𝑖 𝜕𝑡 + 𝐞 𝑖 ∙ 𝛁𝑓𝑖 = Ω 𝑖 (𝑖 = 1, 2, … 𝑁), (1) where...

2018

Southwest Palawan, Philippines: A Case Study in Seismic Imaging and Interpretation of Complex Structures

Philip M. Rimando, Geronimo A. Manuel, Raymundo A. Reyes, Jr.

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... The velocity field used in the migration was derived from the DMO-picked velocities but at slightly lower magnitude than the actual picked values...

1994

Abstract: Study of Subvertical Fracturing Zones in Subsalt Carbonates of the Pre-Caspian Basin using Duplex Wave Migration; #90224 (2015)

K. O. Iskaziyev, S. G. Karimov, N. I. Yasafova, R. V. Kudаkaev, E. G. Khabibullin, E. V. Rastegaeva, Yu. I. Denisov, and A. S. Kostyukevych

Search and Discovery.com

... technology, azimuthal anisotropy of Pwave velocity, and relatively recently introduced Duplex Wave Migration (DWM) amplitude cube analysis. This paper...

2015

Optimised 3D Land Geophysical Survey Design - A Case Study

P. van Baaren

Papua New Guinea (PNG) Petroleum Convention Proceedings

... a linear v(z) velocity function in calculations (Liner and Underwood, 1999), and using the migration process itself in which point diffractors...

2000

High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration

Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen

AAPG Bulletin

... in the migration because of accumulative traveltime errors caused by an inaccurate velocity model. To mitigate this issue, we present a coherent-stack...

2024

Complex mountainous stepwise tomographic inversion modeling method

Haili Wang, Yongguo Wu, Weibo Li, Zhihui Yan, Li He, Baohua Yu

International Meeting for Applied Geoscience and Energy (IMAGE)

... information under the LVL is not considered to provide a near-surface velocity field for the pre-stack depth migration. On the basis of previous studies...

2024

An unsupervised intelligent stacking velocity analysis based on clustering

Lide Wang, Xingrong Xu, Jie Wu, Huahui Zeng, Yundong Yong, Yanxiang Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... established by identifying energy clusters on velocity spectra at different moments, which is crucial to the migration imaging and the stacking of common...

2024

Preliminary modeling of the long-term fate of CO2 following injection into deep geological formations

Brian R. Strazisar, Chen Zhu, Sheila W. Hedges

Environmental Geosciences (DEG)

... CO2 injection, far away from the injection site and representative of basin-scale migration and long-term fate. The dissolution of the injected CO2...

2006

Magnitude, mechanisms, and prediction of abnormal pore pressure using well data in the Krishna–Godavari Basin, east coast of India

Sumangal Dasgupta, Rima Chatterjee, and Sarada Prasad Mohanty

AAPG Bulletin

... velocity versus density plot of shale from well W-15. Velocity falling down with nearly constant density suggests that the fluid expansion mechanism...

2016

Abstract: Using A 3D PSDM Simulator to Facilitate Overburden and Survey Consistent Modelling of the 4D Seismic Response of the Norne Field; #90171 (2013)

A. Drottning and M. Branston

Search and Discovery.com

... in a homogeneous overburden and predicted the seismic response for a constant reflectivity surface. The only difference between the cases is the SimPLI filters...

2013

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