Seismic Foldout: FWI Imaging Under Complex Geological Anomalies

Adriana Citlali Ramirez, Simon Baldock, Stuart Fairhead, TGS

GEO ExPro Magazine

... applied) from 2010 verlaid with the tomography-based velocity model from 2010 (the mass transit complexes in the shallow section generate signal...

Deep Structure of Northern Mississippi Embayment

A. Ginzburg , W. D. Mooney , A. W. Walter , W. J. Lutter , J. H. Healy

AAPG Bulletin

... (9,843-ft) thick low-velocity layer which probably consists of late Precambrian clastics. The presence of this low-velocity layer is indicated...

Structural and Tectonic Evolution of Oceanic Crust within the Jurassic Quiet Zone, Offshore Morocco: Chapter 14: African and Mediterranean Margins

James S. Holik, Philip D. Rabinowitz

AAPG Special Volumes

... velocity spectra analysis define a velocity inversion between the UCF (4.7 km/sec) and the underlying sediments (3.1 km/sec). A deep crustal layer...

Effects of near Surface Lithology on Velocity Modelling and Time„Depth Relationships in the Cooper„Eromanga„Lake Eyre Basin

Anna Manka, Glen Buick, Rob Menpes, Luke Gardiner, Cameron Jones, Khalid Amrouch

Australian Petroleum Production & Exploration Association (APPEA) Journal

...Effects of near Surface Lithology on Velocity Modelling and Time„Depth Relationships in the Cooper„Eromanga„Lake Eyre Basin Anna Manka, Glen Buick...

Deep learning seismic full-waveform inversion and transient EM joint inversion for near surface velocity modeling

Daniele Colombo, Ernesto Sandoval-Curiel, Ersan Turkoglu, Weichang Li

International Meeting for Applied Geoscience and Energy (IMAGE)

...Deep learning seismic full-waveform inversion and transient EM joint inversion for near surface velocity modeling Daniele Colombo, Ernesto Sandoval...

Velocity model building with a time shift objective function: Gulf of Mexico examples

Yi Yang, Ken Matson, Tadas Krupovnickas, Mark Huiskes, Rene-Edouard Plessix, Sijmen Gerritsen

International Meeting for Applied Geoscience and Energy (IMAGE)

... examples of the use of a phase-only FWI method combined with long-offset OBN in the GOM to derive more accurate velocity models leading to improved subsalt...

Application of Seismic Shear Wave Refraction for Subsurface Soil Dynamic Investigation at Bukit Changgang, Banting, Selangor

Abdul Rahim Samsudin, Khairul Anuar Mohd. Nayan, Umar Hamzah

Geological Society of Malaysia (GSM)

... from all the spread lines interpreted. The result shows that with the exception of seismic line 1, the range of shear wave velocity for the first...

Development and Evaluation of Multiphase Closure Models used in the Simulation of Unconventional Wellbore Dynamics

Travis Mitchell, Bryce Hill, Mahshid Firouzi, Christopher Leonardi

Unconventional Resources Technology Conference (URTEC)

... for the rise velocity of Taylor bubbles in annular piping using phase-field lattice Boltzmann techniques. Proc., 21st Australasian Fluid Mechanics Conference...

Chapter 10: Rock Physics Relationships between Elastic and Reservoir Properties in the Haynesville Shale

Kyle T. Spikes, Meijuan Jiang

AAPG Special Volumes

.... Kuster, G.T., and M.N. Toksöz, 1974, Velocity and attenuation of seismic waves in two-phase media: Geophysics, v. 39, p. 587–618. Lucier, A.M., R. Hofmann...

Three-dimensional fault geometries and interactions within experimental models of multiphase extension

Martha Oliver Withjack, Alissa A. Henza, and Roy W. Schlische

AAPG Bulletin

... differ by 45°. The resulting fault pattern varies significantly with depth. At shallow levels, second-phase normal faults accommodate most second...

Three-Phase Darcy Migration in Basin Modeling, #42071 (2017).

Clementine Meiller, Julien Coatleven, Jean-Charles de Hamptinne, Xavier Guichet, Nicolas Maurand

Search and Discovery.com

.../disappearance of one phase, difference of migration velocity between liquid and gas phases, or the potential dissolution of some components in water...

Compensating for Seismic Absorption for Orthogonal Shooting Field Data: A Case Study on NW Tunu Area, Indonesia

Doddy Iqbal Biramandita, Vishal Kumar, Wayne Zanussi, Jacques Bonnafe, Natalia Anggriani, Cepi M. Adam, Didiek Bhudy Prabowo

Indonesian Petroleum Association

... loss, bandwidth degradation, phase distortion and poor seismic imaging. In this work, PSDM and Q-tomography were combined to build velocity model...

How distinctive are flood-triggered turbidity currents?

Catharina J. Heerema, Matthieu J.B. Cartigny, Ricardo Silva Jacinto, Stephen M. Simmons, Ronan Apprioual, Peter J. Talling

Journal of Sedimentary Research (SEPM)

... to identify river-flood-triggered turbidite deposits, which are largely based on the assumption that a characteristic velocity structure of the flood...

Interferometry derived S-wave velocity model with geological constrains for induced seismicity monitoring

Galina Simeonova, Dmitry Alexandrov, Toufik Chtouki, Petr Kolnsk, Leo Eisner, Tijmen Jan Moser, Umair Waheed, Sherif Hanafy, Barbara Cox

International Meeting for Applied Geoscience and Energy (IMAGE)

... wave phase velocity dispersion: Journal of Seismology, 15, 81–104, doi: https://doi.org/10.1007/s10950-010-9209-4. Kruiver, P. P., E. van Dedem, R...

Critical Depth Uncertainty Analysis for Accurate Well Planning at Tangguh

Nurfiana Rachmawati

Indonesian Petroleum Association

... continuity were much superior and faults were more obvious and easier to pick. An accurate velocity model is the key to getting a good image...

Anisotropic Pre-Stack Depth Migration in the Cusiana and Cupiagua Sur Fields

J. Checa, M. Mesa, N. Burke, J. Calderon, H. Alfonso, U. Egozi, B. Ver West, M. Yates

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... of a partnership with Ecopetrol and Figure 1. Location Map an early shortening parallel to bedding and a folding phase prior to the Andean Orogeny...

A shallow velocity model building using full-waveform inversion on 3D onshore dataset

Young Seo Kim, Jewoo Yoo, Tong Fei, Ali Almomin

International Meeting for Applied Geoscience and Energy (IMAGE)

...A shallow velocity model building using full-waveform inversion on 3D onshore dataset Young Seo Kim, Jewoo Yoo, Tong Fei, Ali Almomin A shallow...

ABSTRACT: TUTORIAL: IMAGING THROUGH SHALLOW GAS, DIVING WAVE

Brian Broussard, Luis Canales, Charles Carvill, Lee Lu, Juan Perdomo, Chung-Chi Shih, Sherman Yang, Peter Melville, Mehmet Tanis

Geological Society of Trinidad & Tobago

..., and severe velocity variations on the seismic signal pose a difficult challenge for the geophysicist working the oil and gas fields surrounding...

Deep Cardamom Discovery Enabled by Multi-azimuth Seismic and Anisotropic Imaging, #20112 (2011)

Ben Hewett, David Garner, Jan Douma, Madhu Kohli, Duane Johnson

Search and Discovery.com

... by the prospect’s proximity to salt. Steeply dipping seismic events and velocity uncertainty makes well positioning difficult. The application of multiple...

ABSTRACT: Integrating Rock Physics and Seismic Modeling for Time-Lapse Analysis in a CO

Search and Discovery.com

Subsalt Seismic Imaging Advances in the Mexican Petroleum Provinces

Search and Discovery.com

Full-waveform inversion and FWI imaging for land data

James Sheng, Cristina Reta-Tang, Faqi Liu, Alfredo Vzquez Cant, Alejandro Cabrales Vargas

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Pemex Summary Velocity model building and imaging for land surveys are particularly challenging due to the complexities of the near surface model...

Depth Imaging „ Seeing the Invisible

Vetle Vinje

GEO ExPro Magazine

... to process the data. Coherent means that the phase of the echolocation signals are used by the bats, while cross-correlation implies that the outgoing...

True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)

M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin

Indonesian Petroleum Association

...: Controlled Beam (CB-PSDM) and Kirchhoff (K-PSDM) anticipated by a multiiteration update of a velocity model. Three datasets of various acquisitions...

Anisotropic Velocity Model of a Fractured Formation using a High Resolution VSP Survey and Forward Modeling

Search and Discovery.com

... and Schmitt, 1997), allowing the measurement of phase (plane wave) velocity as a function of angle from vertical. These anisotropy measurements showed...