2008 CSPG/CSEG/CWLS GeoConvention 2008, May 12-15, 2008, Calgary, Alberta, Canada; Abstracts, #90170 (2013).

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Abstract: Application of Gassmann's Model in Hydrocarbon-Bearing Reservoir Characterisation

Ng Tong San, Leong Lap Sau

Geological Society of Malaysia (GSM)

... impedance (density x velocity) in sandstone and carbonate reservoirs can be predicted from seismic wave propagation in a porous fluid-filled media...

Abstract: Estimation of Anisotropy in the Presence of Laterally Heterogeneous Overburden, using Walkaway VSP Data from the Red Sea; #90254 (2016)

Carlos Planchart

Search and Discovery.com

... to estimate anisotropy around wells. For a complex overburden, Grechka and Mateeva (2007) propose an equation for VTI anisotropy parameter estimation...

Shaping regularization by fast explicit diffusion

Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

...) is the Z-transform of the box filter BN (Z) = 1 − ZN N (1 − Z) = 1 1 + Z + Z 2 + · · · + Z N−1 . N (2) The triangle filter defined in equation (1) has...

An anti-aliasing plane wave decomposition method based on local linear Radon transform

Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

...An anti-aliasing plane wave decomposition method based on local linear Radon transform Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu An anti...

Abstract: P-Wave Velocity Variation in Water-Saturated Sand from Shallow Seismic Refraction

L. S. Leong, K. H. Ho, K. Y. Lee, C. C. Yew

Geological Society of Malaysia (GSM)

...Abstract: P-Wave Velocity Variation in Water-Saturated Sand from Shallow Seismic Refraction L. S. Leong, K. H. Ho, K. Y. Lee, C. C. Yew 130...

ABSTRACT: Design Analysis of the Raymer…Hunt-Gardner Algorithm and Modification for Shaly Sands; #90118 (2011)

Hari Kumar

Search and Discovery.com

... to obtain porosity values comparable to densityneutron porosity in shaly sands. Modified equation can be applied to derive porosity from S-wave velocity...

Abstract: A New Approach to Optimizing Recovery PRTISP Process; #90239 (2015)

Harold Nikipelo

Search and Discovery.com

... not appear to be effective in highly attenuative formations. Benefits Seismic wave stimulation technology has the potential to provide a low-cost...

Nonlinear time difference detection of seismic image based on image registration

Rongwei Xu, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... Inversion (FWI) is a high-precision imaging technology that reconstructs geological models using the wave equation. This method has gained widespread...

Automated velocity modeling with domain transformations

Kevin Gullikson, Arnab Dhara, Ram Tuvi, Mrinal K. Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

... ~10,000 discrete shots. The traces contain information about reflections and refractions of the sound wave in the subsurface, and an important step...

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)

... Inversion (ES-FWI) is a promising method to mitigate cycle-skipping resulting from crude initial models. Relaxing the wave equation constraint...

Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin

Alvin K. Benson

Williston Basin Symposium

... subsurface as an acoustic medium, we assume that the propagation of energy through the earth is governed by the acoustic wave equation...

Burial Diagenesis of the Eocene Sobrarbe Delta (Ainsa Basin, Spain) Inferred From Dolomitic Concretions

Guilhem Hoareau,, Francis Odonne, Daniel Garcia, Elie-Jean Debroas, Christophe Monnin, Michel Dubois, Jean-Luc Potdevin

Journal of Sedimentary Research (SEPM)

..., cylindrical, multilobate, spherical) are locally present (Fig. 3D, E; see also Hoareau et al. 2009). Their color ranges from yellow to yellow-red due...

Nuclear-Explosion Petroleum-Stimulation Projects, United States and USSR

Maurice J. Terman

AAPG Bulletin

...: the Hardhat event, GNI-63, 24 p. Mickey, W. V., 1964, Seismic wave propagation, in Engineering with nuclear explosives--3d Plowshare Symposium Proc.: U.S....

Surface Modeling for Sedimentary Basin Simulation: Chapter 8

John C. Tipper

AAPG Special Volumes

... gravity wave motion: Journal of Physical Oceanography, v. 8, p. 676-679. Thacker, W. C., 1978b, Comparison of finite-element and finite-difference schemes...

Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset

Jianming Zhang, Liangguo Dong, Jianhua Wang, Yilin Wang, Chao Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the fixed reflector in the conventional ASRT. Compared to the wave-equation-based reflection traveltime inversion methods, the inversion efficiency...

Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... wave-equation downward continuation shot migration without loosing significant accuracy. Introduction The zero time (lag) imaging condition has been...

Seismic Migration Interpolation using Time-Shift Imaging Condition

Mark Ng

Search and Discovery.com

... wave-equation downward continuation shot migration without loosing significant accuracy. Introduction The zero time (lag) imaging condition has been...

Sparsity and Continuity Enhancing Seismic Imaging, #41532 (2015).

Peyman P. Moghaddam, Felix Herrmann, and Chris Stolk

Search and Discovery.com

... are promoted as part of this optimization. Our method is tested with a reverse-time 'wave-equation' migration code simulating the acoustic wave...

Towards wave-equation ambient noise tomography of a landslide: The Harmalière case study

Giuseppe Provenzano, Grégory Biévre, Romain Brossier, Stéphane Garambois, Ludovic Métivier

International Meeting for Applied Geoscience and Energy (IMAGE)

...Towards wave-equation ambient noise tomography of a landslide: The Harmalière case study Giuseppe Provenzano, Grégory Biévre, Romain Brossier...

Rethinking power density for geothermal resource estimation

R. Chadwick Holmes, and Laura Huebner

AAPG Bulletin

... et al., 2021; Rubin et al., 2022) is reproduced in equation 1: where Tr is reservoir temperature, and ts is tectonic setting. Multiplying...

Recollections of Shell's Bellaire E&P R&D Lab

James M. Parks

Petroleum History Institute

.... This could be used either for relocating specific features (by recording their "x" and "y" coordinates); or for "point counting" - identifying the spot...

A practical implementation of data-space Hessian in the time-domain formulation of source extended full-waveform inversion

Gaoshan Guo, Stephane Operto, Ali Gholami, Hossein S. Aghamiry

International Meeting for Applied Geoscience and Energy (IMAGE)

... by pushing back the wavefields toward the wave equation. The authors have recently shown that source extensions are the leastsquares solutions...

Ultrasound reverse time migration for human brain imaging

Ting Li, Bo Feng, Yang Zhou, Rongwei Xu, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the time dispersion, we treat the acoustic wave equation as a harmonic oscillator differential equation and obtain its exact finite difference scheme...

Determination of Velocity Model by Using NIP-Wave Tomographic Inversion: Application to Synthetic and Real Data

A. Hendriyana, R. Sule, Y. Akbar, L.A. Poerwaka, T.A. Sanny, Sardjito, Waluyo, Adriansyah

Indonesian Petroleum Association

... events in the CRS-stacked section. Finally all data component given in the following equation, NIP-WAVE THEORY Principally, the NIP-wave tomography...