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The AAPG/Datapages Combined Publications Database
Showing 33,094 Results. Searched 195,364 documents.
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
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
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
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
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
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
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
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
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
ABSTRACT: Quality Factor Estimation from Modeling Velocity Dispersion, by Alsaadan, Sami; Toksöz, M. Nafi; Burns, Daniel; #90141 (2012)
Search and Discovery.com
2012
Delineation of Jonah field Using Seismic and Sonic Velocity Interpretations
Ronald C. Surdam, John Robinson, Zun Sheng Jiao, Nicholas K. Boyd III
Rocky Mountain Association of Geologists
... of a significant free gas phase in the fluid system (Surdam et al., 1994; Surdam, 1997a,b). In 1994, the regional velocity-depth gradient was removed from...
2001
Abstract: Silica Phase Changes: Diagenetic Agent for Oil Entrapment, Lost Hills Field, California, by D. R. Julander and D. L. Szymanski; #91009 (1991)
Search and Discovery.com
1991
Unlocking the Potential of Conventional Narrow Azimuth Data by Full-Waveform Inversion: a Deep Carbonate Imaging Case Study, Offshore Indonesia
Jun Wang, Yonghe Guo, Putri Supriandini, Bahrul Yusrie, Natalia Anggriani
Indonesian Petroleum Association
...* Bahrul Yusrie* Natalia Anggriani* ABSTRACT Full-waveform inversion (FWI) has evolved to be the contemporary solution to resolve velocity models in areas...
2021
Characterization of a Sediment Core from Potential Gas-hydrate-bearing Reservoirs in the Sagavanirktok, Prince Creek, and Schrader Bluff Formations of Alaska's North Slope: Part 5Acoustic Velocity Core Studies
R. F. Sigal, C. Rai, C. Sondergeld, B. Spears, W. J. Ebanks Jr., W. D. Zogg, N. Emery, G. McCardle, R. Schweizer, W. G. McLeod, J. Van Eerde
AAPG Special Volumes
... pressure for a selected group of sample depths for phase I recovered sand samples. 1 ft = 0.3 m; 100 psi = 0.7 MPa.FIGURE 6. Shear-wave velocity Vs1...
2009
Evaluation of possible gas microseepage mechanisms
Alton Brown
AAPG Bulletin
... it cannot account for observed microseepage. In contrast, continuous gas-phase flow through frac tures can equal or exceed reported microseepage velocity...
2000
Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)
Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen
Search and Discovery.com
... phase and the dominant frequency changes from 5 Hz to 12 Hz depending on iterations. The starting velocity was obtained from the smoothed true model...
2014