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The AAPG/Datapages Combined Publications Database
Showing 20,854 Results. Searched 200,673 documents.
Abstract: Near-surface Issues in TTI Wave Equation Migration from Topography; #90171 (2013)
Chuck Ursenbach, Richard A. Bale, and Samuel H. Gray
Search and Discovery.com
...Abstract: Near-surface Issues in TTI Wave Equation Migration from Topography; #90171 (2013) Chuck Ursenbach, Richard A. Bale, and Samuel H. Gray Near...
2013
Fluid Dynamics of Viscous Buckling Applicable to Folding of Layered Rocks
Hans Ramberg
AAPG Bulletin
... is therefore EQUATION (40) per unit surface area of the layer. This force acts on ¼ wave by a moment M1 per unit length parallel with the fold axis...
1963
Abstract: Shear Wave Splitting Parameter Estimation Using a Regular Distribution of Azimuths; #90187 (2014)
A. Stanton and M. D. Sacchi
Search and Discovery.com
...Abstract: Shear Wave Splitting Parameter Estimation Using a Regular Distribution of Azimuths; #90187 (2014) A. Stanton and M. D. Sacchi AAPG Search...
2014
ABSTRACT: FORECAST OF THE METHANE ENRICHMENT BASED ON DOUBLE-PHASE MEDIA THEORY
Shu-nian Ning, Gang Li, Guangliang Li, Huasheng Zou
The Society for Organic Petrology (TSOP)
.... As the unconventional gas - methane’s source rock, coal seam is practically a kind of double-phase media. The primary wave equation in double-phase media...
2006
Abstract: Forward Modelling Study of 2D Finite Difference Reverse-Time Migration for Downhole Seismic Data; #90224 (2015)
Dong Shi, Ramin Saleh, Bernd Milkereit
Search and Discovery.com
... tests reverse-time migration based on finite difference (FD) solution of 2D wave equation for applying on synthetic borehole seismic data generated...
2015
Subsurface Characterizaton Using Microseismic Velocity, Attenuation, and Ansiotrophy Tomography in a Geothermal Field
Ahmad Syahputra, Andri Dian Nugraha, Rachmat Sule, Sri Widiyantoro
Indonesian Petroleum Association
... the ray paths (Crampin, 1991). An equation for the accumulated time delay dt for the slowness of shear wave (U) is: Attenuation Tomography...
2014
Mathematical Model of Electromagnetic Proppant Effects on Heavy Oil Production Rate
Ardina Dwi Listiani, Sudjati Rachmat
Indonesian Petroleum Association
... energy are introduced. This method is called electromagnetic heating (Sahni et l., 2000). As the electromagnetic wave propagates into the formation...
2015
The application of phased-array vibrator system in deep seismic exploration
Minghao Yu, Xiangbo Gong, Xiaojie Wan
International Meeting for Applied Geoscience and Energy (IMAGE)
...� + e2�� +⋯+ �� �(��sin � + �) 1 sin 2 sin 2 = � sin � ��sin � + � sin 2 2 In equation, � is the number of the seismic sources; � is the wave...
2022
Q-LSRTM using viscoacoustic VTI wave equation based on the nearly constant Q model
Zhang Shan-Shan, Gu Bing-Luo, Li Zhen-Chun
International Meeting for Applied Geoscience and Energy (IMAGE)
...Q-LSRTM using viscoacoustic VTI wave equation based on the nearly constant Q model Zhang Shan-Shan, Gu Bing-Luo, Li Zhen-Chun Q-LSRTM using...
2022
Physics-informed full-waveform inversion using learned wavefield solutions
Xinquan Huang, Tariq Alkhalifah, Fu Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... this wavefield obeys the physical laws (wave equation) and matches the data on the surface, we achieve a significant reduction in noise and artifacts...
2024
Gas Hydrates: Part III: Rock Physics Hydrate Experiments
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
...-wave sonic and resistivity logs. Column 1: Comparison of P-wave velocity (red line) with model results assuming methane hydrate (solid black lines...
2012
Mapping of Rock Property Changes in Space and Time Using Microseismic Data through Full-Waveform Inversion
Jyoti Behura
Unconventional Resources Technology Conference (URTEC)
... location is often determined using the traveltime difference between the P- and S-wave arrivals through the following equation: ts-tp = D (~Vs Vp...
2016
Abstract: AVAZ Inversion for Fracture Orientation and Intensity: a Physical Modeling Study; #90187 (2014)
Faranak Mahmoudian and Gary F. Margrave
Search and Discovery.com
... variation with the angle and azimuth (AVAZ) method. Jenner (2002) reformulated the Rüger (2001) equation for P-wave reflection coefficient from a boundary...
2014
An Assessment and Calibration of Formulations for Bagnold's Bedload Equation
J. Hardisty
Journal of Sedimentary Research (SEPM)
...An Assessment and Calibration of Formulations for Bagnold's Bedload Equation J. Hardisty 1983 Vol. 53 No. 3. (September), Bagnold's bedload equation...
1983
Application of Visco-Acoustic Full Waveform Inversion to Shallow-Water, Shallow-Gas Data, #41802 (2016).
Xin Cheng, Ronan Petton, Ian Anstey, Wai-Leong Lai, Denes Vigh, Gavin Menzel-Jones
Search and Discovery.com
.... In order to fully resolve the compartmentalized nature of the gas bodies, a wave equation-based method to derive the Earth model is required. Many current...
2016
AVO Analysis for Direct Hydrocarbon Detection in Field X in the Persian Gulf (Paper 5)
Mohammad Ali Riahi, Mohammad Emami Niri
Geological Society of Malaysia (GSM)
... elastic properties to seismic reflections starts with the elastic wave equations given by Knott-Zeoppritz (1919). The equation relates the reflection...
2006
Abstract: Finite-difference Elastic Modelling Below a Structured Free Surface; #90171 (2013)
P. M. Manning
Search and Discovery.com
... are (from Levander, 1988) ∂U ∂U x ⎛ ∂U z ∂U x ⎞ + =0 ⎟ = 0, σ zz = (λ + 2μ ) z + λ ∂z ⎠ ∂z ∂x ⎝ ∂x σ xz = μ ⎜ , with the left equation applying...
2013
Depth Imaging Seeing the Invisible
Vetle Vinje
GEO ExPro Magazine
... in the model. A numerical solution of the acoustic wave equation is used in Reverse Time Migration and One-way Wave Equation Migration, while...
2010
Fracture-Porosity Identification from Anisotropy AVO and Fluid Substitution Modelling in Seismic 2D Data
Septian Prahastudhi, Tenny Octaviani, Ayi Syaeful Bahri, Yulia Putri Wulandari
Indonesian Petroleum Association
...-wave and s-wave velocity in the dry and wet condition, fracture properties (D) can be found. Thomson parameters obtained from an empirical equation...
2012
Quantitative Petrophysical AVO Error Analysis in a Layered Model
Search and Discovery.com
... for top of layer 6 layers (Table 1). Plane wave denotes the same reflectivities calculated from Zoeppritz equation as in Figure 1. Figure 4: Scaled...
2013
Abstract: Intrinsic and Apparent Seismic Attenuation in VSP Data; #90211 (2015)
Arnim Haase and Robert Stewart
Search and Discovery.com
..., the stratigraphic Q caused by reverberations between layer interfaces, and a gain component. When comparing results from a 1D wave equation model...
2015
Abstract: Near-Surface Velocity Estimation Using Source-Domain Full Traveltime Inversion and Waveform Inversion; #90319 (2018)
Lu Liu, Bowen Guo, Yi Luo
Search and Discovery.com
... limitaions of ray theory and avoid manual picking, we propose to use wave-equation-based source-domain full traveltime inversion (FTI). This method...
2018
TTI Wave-equation Migration of A 3-D Canadian Foothills Dataset
Search and Discovery.com
...TTI Wave-equation Migration of A 3-D Canadian Foothills Dataset TTI Wave-equation Migration of A 3-D Canadian Foothills Dataset Richard Bale...
2013
Correlation of seismic velocity and mechanical properties of metasandstone from CTW-1 well, Seri Iskandar, Perak, Malaysia
Norsyafiqah Salimun, Abdul Ghani Rafek, Khairul Arifin Mohd. Noh
Geological Society of Malaysia (GSM)
... equation: Velocity = d x t-1 (1) Where, d is the height of the core sample and t is the first (peak) arrival time of the wave. The P-wave velocity...
2019
Least-squares reverse time migration for attenuating TTI media
Xinru Mu, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... involves incorporating a regularization term into the wave equation (Fathalian et al., 2020). In addition, Wang et al. (2018) and Chen et al. (2020...
2024