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The AAPG/Datapages Combined Publications Database
Showing 27,212 Results. Searched 195,596 documents.
Time Lapse Seismic for Reservoir Characterization
Rick Walia
Indonesian Petroleum Association
... and reveal production-induced differences. Variation of elastic and acoustic parameters, and Poisson Ratio, are typical information...
2005
Vietnam: Improved Images of Fractured Basement
Jim Keggin, Wathik Alaaraji, Joe Zhou
GEO ExPro Magazine
... travel times on both PP and PS data. However, one direction only; furthermore, these data measure the PP since reflectivity depends on seismic velocity...
2017
Abstracts: Impedance Inversion of Phase Corrected Data- A Case Study; #90173 (2015)
Somanath Misra and Satinder Chopra
Search and Discovery.com
... the assumption that the reflectivity consists of a nonGaussian white series, the 4th order cumulants preserve the phase characteristics of the wavelet...
2015
Mineralization and Geochemistry of the Escalante Silver Mine, Iron County, Utah
JoAnn M. Holloway, Erich U. Petersen
Utah Geological Association
... and 5 weight percent NaCl equivalent. Fluid densities range from 0.77 to 1.02 g/cm3. The variation in the salinity and density data suggests...
1991
Application of finite difference eikonal solver for traveltime computation in forward modeling and migration
Amir Mustaqim Majdi, Seyed Yaser Moussavi Alashloo, Nik Nur Anis Amalina Nik Mohd Hassan, Abdul Rahim Md Arshad, Abdul Halim Abdul Latiff
Geological Society of Malaysia (GSM)
... in variation of the arrival time of the reflected seismic waves. Schmitt (2015) mentioned that porosity and fluid saturations also give impact on the speed...
2021
Seismic Technology Evolution to Support Prospect Evaluation, Exploration Well, and Geological Appraisal
Frederic J. Billette, Yan Quist
GCAGS Transactions
... generally provides a good starting point) but also a detailed density/reflectivity model and very intensive computations. Ray tracing-based hit count...
2011
Discovery of the Cunda Gas Field, Bee Block, North Sumatra: An Integrated Geologic/Seismic Stratigraphic Case History
M. D. Burnaman, R. B. Helm, C. R. Beeman
Indonesian Petroleum Association
..., due possibly in part to the variation in outcrop lithology as well as the complex post-Peutu geologic structure caused by deformation within...
1985
Rhomboid Ripple Marks and their Relationship To Beach Slope
David F. Demarest
Journal of Sedimentary Research (SEPM)
... has one acute angle pointing down stream, formed by two steep leesides, while the other, pointing up stream, formed by the gentle slope extending...
1947
The Utica - Point Pleasant Shale
Satinder Chopra, Ritesh Kumar Sharma, Hossein Nemati, James Keay, TGS
GEO ExPro Magazine
... CIRCUM-PA TECHNOLOGY F FIELD UN TA 45 BI SOCIAL CONTR MACHINE LEARNIN OUD-B leaked through the processes. The angle of incidence...
2018
New Structural Framework for SE Asia, and Its Implications for the Tectonic Evolution of NW Borneo
Karsten M. Storetvedt, Lap Sau Leong, Mohammad Adib
Geological Society of Malaysia (GSM)
... of the much greater J ava-Sunda Trench. The sharp anticlockwise bend of the Timor-Seram Trench is likely to reflect Australia's motion relative to SE Paper...
2003
Angle-constrained VSP least-squares reverse-time migration based on a high-efficiency stabilized Poynting vector
Xuan Ke, Mauricio Sacchi, Ying Shi
International Meeting for Applied Geoscience and Energy (IMAGE)
...Angle-constrained VSP least-squares reverse-time migration based on a high-efficiency stabilized Poynting vector Xuan Ke, Mauricio Sacchi, Ying Shi...
2023
Introducing New Powerful Methods to Analyse BHA Behaviour
M. H. Amara
Indonesian Petroleum Association
... individually into account. Plots of the side-forces as a function of: • hole angle, • hole curvature, • weight on bit, • stabilizers undergauge (or wear...
1984
Recognition and Hydrologic Significance of Passive-Margin Updip Sequences: An Example from Eocene Coastal-Plain Deposits, U.S.A.
James W. Castle, Russell B. Miller
Journal of Sedimentary Research (SEPM)
... stratigraphy: A different perspective: Sedimentary Geology, v. 92, p. 31-52. HOWE, K.A., 1997, Characterization of the acoustic reflectivity...
2000
An Exact Method for Characterization of Grain Shape
Robert Ehrlich, Bernhard Weinberg
Journal of Sedimentary Research (SEPM)
... with analysis of vectorial data. The information carrying properties of phase angle variation, and the relationships between phase angle, weighting...
1970
Modified One man Beach Profiling Method
Edward Bryant
Atlantic Geology
... and uses the Earth's horizon as a reference. The second is based upon changes in angle with distance along a slope and employs an "A" frame (Pitty 1968...
1980
New Insights into the Deep-Water Otway Basin - Part 2. Tectonostratigraphic Framework Revealed by New Seismic Data
Alex Karvelas, Tekena West, Chris Nicholson, Steve Abbott, George Bernardel, Cameron Mitchell, Duy Nguyen, Merrie-Ellen Gunning, Irina Borissova, Oliver Schenk
Australian Petroleum Production & Exploration Association (APPEA) Journal
... growth The APPEA Journal 659 wedge geometries. Thickness variation in seismic dip lines may indicate the presence of several small fault-bounded...
2021
4D Finite Difference Forward Modeling within a Redefined Closed-Loop Seismic Reservoir Monitoring Workflow, #41922 (2016).
David Hill, Dominic Lowden, Sonika, Chris Koeninger
Search and Discovery.com
... and neglects effects due to 3D wave propagation, acquisition configuration, near surface and overburden illumination and noise. Reflectivity-based 1D...
2016
Conditioning Prestack Seismic Data in the Offset-Azimuth Domain; #42462 (2019)
Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
... them through the azimuthal amplitude variation with offset, or AVO, analysis procedure to determine the fracture density and orientation. We do...
2019
Three-dimensional seismic interpretation of a meteorite impact feature, Red Wing Creek field, Williston Basin, western North Dakota
Benjamin D. Herber, Paul Weimer, Renaud Bouroullec, Roger J. Barton, Daniel N. Behringer, William S. Hammon III, and William S. Gutterman
AAPG Bulletin
..., composed entirely of strata of the Mississippian Madison Group, and a flanking inner rim. The seismic reflectivity within the central core is poor...
2022
Effects of subsidiary faults on the geometric construction of listric normal fault systems (Geologic Note)
Tingguang Song, Peter A. Cawood
AAPG Bulletin
... the inclination of shear, although the linking mechanism between the small and main faults is unclear. The inclined shear angle can be estimated...
2001
Basin-Scale Rock Physics Study and Stochastic AVO Modelling for the Deep Water Kutei Basin (East Kalimantan Indonesia)
Gabriela Carrasquero, Alessandro Amato del Monte, Fabio Luoni, Paolo Battini, Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Nasif Khifni
Indonesian Petroleum Association
... (Castagna et al., 1997) the reflectivity at zero offset (Intercept) and the slope of the best-fit line of reflectivity variation with offset (Gradient; see...
2014
Abstract: Simultaneous P-P and P-S Waveform Inversion Algorithm Using Pre-Stack Time Imaging Method ; #90187 (2014)
Hassan Khaniani, John C. Bancroft, and Eric von Lunen
Search and Discovery.com
... the current model toward the true model. Assuming multiple free data and smooth lateral variation of subsurface properties, this work serves...
2014
erformance of Seismic Arrays in the Presence of Weathering Layer Variations, #41841 (2016).
Jubran Akram, Abdullatif A. Al-Shuhail
Search and Discovery.com
...°) on a 12-element equally weighted array for 4 different thickness variation models 1) A dipping surface layer and a channel present at the base...
2016
Bedding Structures in a Channel Sand Bar of the Ganga River Near Allahabad, Uttar Pradesh, India
Indra Bir Singh
Journal of Sedimentary Research (SEPM)
... sorted sands, is marked by the absence of larger bed forms such as megaripples. The bar succession is composed of mainly low-angle cross-bedding...
1977
Parson's Model Modification to Describe the Aperture/Closure Behavior of Naturally Fractured Systems; #41932 (2016)
E. A. Lopez, A. Naranjo, J. M. Mejia
Search and Discovery.com
... the parametric results of azimuth angle, which varies in the range (59.0°, 69.6°). Clearly, it is observed that the variation of approximately ten degree does...
2016