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The AAPG/Datapages Combined Publications Database
Showing 34,698 Results. Searched 200,357 documents.
Abstract: Estimation of Group Velocity using Slant Stack Generalized S Transform Based Method; #90174 (2014)
Roohollah Askari, Robert J. Ferguson, and Kristof DeMeersman
Search and Discovery.com
...). The method is a based on the inversion of a surface wave dispersion curve (either phase or group velocity curves) calculated from a real data to a vertical...
2014
Delineation of Anomalously Pressured Gas Accumulations in the Riverton Dome Area, Wind River Basin, Wyoming
Ronald C. Surdam, Zun Sheng Jiao, Nicholas G. K. Boyd III
Wyoming Geological Association
... in the fluid phase (Surdam et al., 1997). As a result, the anomalous velocity volume shown in Figure 11B is an important lead as to where to explore...
2000
Reveal The Velocity Anomalies in Complex Overburden and Enhanced The Imaging through Shallow Gas: A Case Study in SisiNubi Mahakam, Indonesia
Annas Astuti, Yohanes Kristomo, Bee Jik Lim, Ginanjar Satria, Natalia Anggriani
Indonesian Petroleum Association
... challenges in the survey area. The unresolved strong velocity variations can result in incorrect phase and amplitude information at the deeper target level...
2019
Wave scattering by the formation velocity perturbation surrounding a fluid-filled borehole
Zhou-Tuo Wei
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the undisturbed formation and the phase of the scattering wave reflects the positive and negative velocity variations under the Born approximation...
2022
Abstract: Structure and Rheology of the Arabia-Eurasia Zagros and Makran Plate Boundaries Inferred From Pn-Tomography; #90297 (2017)
Ali Al-Lazki
Search and Discovery.com
... lithospheric mantle velocity and anisotropy at the Arabia– Eurasia plate boundary. Pn phase is a guided high-frequency P-wave that propagates between...
2017
Abstract: Estimation of seismic anisotropy parameters in the presence of lateral heterogeneity using WAVSP; #90254 (2016)
Ali A. Shaiban, Carlos Planchart
Search and Discovery.com
... is analyzed here using the phase slowness method on synthetic walkaway VSP (WAVSP) data. The synthetic data was generated using a velocity model with known...
2016
Chapter 9: Application of the IER Strategy for Natural Gas Exploration
Ronald C. Surdam, Zun S. Jiao
Montana Geological Society
.... According to the conceptual model developed by D3R, this slow velocity band is a function of a free gas phase in the fluid system (e.g., "gas...
1997
Seismic Modeling of Porosity Distribution in a Miocene Reef, Salawati Island, Indonesia
William T. Valenta
Indonesian Petroleum Association
... is the A-2 velocity log with two 10-40 Hz synthetic traces. The first one is zero-phase as before; the second is the acoustic impedance trace. It can...
1979
Modified Residual Migration
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
... to phase-shift migration and thus, is exact. However, evaluation of the accuracy of time migration in a setting of lateral velocity variations, where...
1992
Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)
Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan
Search and Discovery.com
... band 0-5 Hz. Figure 2b shows the migration velocity model used and Figure 2c is the updated model formed by adding the scaled and phase-rotated...
2015
Seismic Velocity Dispersion and the Petrophysical Properties of Porous Media
Search and Discovery.com
...’s amplitude spectrum, whereas phase velocity dispersion changes the phase spectrum. Therefore, uncorrelated vibrator data are appropriate to measure the small...
2013
4D image velocity scan to improve the 4D quantitative interpretation
Mohamed Hatab, Colin MacBeth
International Meeting for Applied Geoscience and Energy (IMAGE)
...4D image velocity scan to improve the 4D quantitative interpretation Mohamed Hatab, Colin MacBeth 4D image velocity scan to improve the 4D...
2022
Analytical and Numerical Studies of Sand Erosion in Electrical Submersible Pump (ESP) Systems
Saúl Gómez Díaz de Bonilla, Her-Yuan Chen
Unconventional Resources Technology Conference (URTEC)
... parameter. The problem for solid velocity calculations involves a two-phase liquid-solid flow. For the single liquid phase, there are a set of analytical...
2019
Integration of Geologic Data into Structural Imaging of the Andean Subthrust, Peru; #41605 (2015)
Margaret A. Stratton, Robert Vestrum, Dennis Ellison
Search and Discovery.com
... uncertainty resulting from the velocity structure in the hanging wall of the overthrust. Given the structural uncertainty and the under-constrained...
2015
Flowback Analysis of the Abadi Field
Iwan Kurniawan
Indonesian Petroleum Association
... is equivalent to the carrier phase liquid flowing past a stationary particle at a velocity equal to the terminal settling velocity of the particle...
2013
Sediment Movement in Relation to Current Velocity
Henry W. Menard
Journal of Sedimentary Research (SEPM)
... cm/sec (USWES, 1935a). Gilbert's data show that Sand C (3.17 ram) began to move in a smooth phase when the velocity was 61.6 cm/sec yet was not rippled...
1950
Abstract: Estimation of Q-factor and Phase Velocity Using the Recovered Stress-strain Relaxation Spectrum; #90172 (2014)
Dali Zhang, Michael P. Lamoureux, Gary F. Margrave
Search and Discovery.com
...Abstract: Estimation of Q-factor and Phase Velocity Using the Recovered Stress-strain Relaxation Spectrum; #90172 (2014) Dali Zhang, Michael P...
2014
Optimized downward continuation for the one-way wave equation in TTI media
Cosmin Macesanu, Faqi Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and its purpose is to correct the phase for waves propagating vertically. (Here vz is the vertical phase velocity, which is different than v p...
2022
Quantitative analysis of DAS recorded P-wave generated by perforation shots
Peiyao Li, Ge Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Further, we show the spatial variation of phase velocities for the pre-fractured wellbore section and the mode transitions in the phase-velocity analysis...
2022
Despiking Ultrasonic Doppler Velocity-Profiling Data
Jonathan D. Wright, Jaco H. Baas
Journal of Sedimentary Research (SEPM)
...Despiking Ultrasonic Doppler Velocity-Profiling Data Jonathan D. Wright, Jaco H. Baas 2013 954 961 Vol. 83 (2013) No. 11. (November) A practical...
2013
Abstract: Attenuation, Velocity Dispersion and the Fate of the Vibroseis Signal; #90211 (2015)
Bernd Milkereit, Flora Sun, Wei Qian, and Thomas Bohlen
Search and Discovery.com
... minor travel time changes (in terms of ms) will alter the correlation process. The perfect zero-phase correlation wavelet only exists without velocity...
2015
Resolving complex velocity and gas absorption features with full-waveform inversion in the Taranaki Basin, New Zealand
Yuelian Gong, Dominic Fell, Robert Hunn, Richard Bisley, Alexander Karvelas, Bee Jik Lim
Petroleum Exploration Society of Australia (PESA)
... attenuation and phase distortion could significantly impact the velocity model building and obscure and dim the imaging under the gas clouds. Visco-acoustic...
2019
P-wave velocity inversion with average velocity analysis method
Yan Yuefeng, Jing Shaodong, Wang Yingwei, Zhong Chuhan
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the ith layer, respectively. The fundamental-order dispersion curve can be plotted through wavelength and phase velocity. Extracting the corresponding depth...
2024
Seismic Static Corrections, Don W. Steeples and Gregory S. Baker, Search and Discovery Article #40047 (2002)
Search and Discovery.com
2002
Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023)
Hongjun Zhang, Yang Chen, Zhengzheng Zhou, Xiang Li, Hotma Yusuf, Haryono Haryanto, Farid Dasa Marianto
Search and Discovery.com
...Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023) Hongjun Zhang, Yang Chen...
2023