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The AAPG/Datapages Combined Publications Database
Showing 60,747 Results. Searched 200,293 documents.
A Polynomial Model for Lateral Thickness Decay of Submarine Channel–Levees
Hesham Ezz, Alessandro Cantelli, Jasim Imran
Journal of Sedimentary Research (SEPM)
...-law gives rather small values. The high regression coefficients notwithstanding, the plots of the logarithmic and exponential models in Figure 3 show...
2014
Gas Hydrate Offshore Vancouver Island, Northern Cascadia Margin
M. Riedel, Eleanor C. Willoughby, Nigel Edwards, Roy D. Hyndman, George D. Spence, Ross Chapman, Marc-Andre Chen, Ivana Novosel, Katrin Schwalenberg
AAPG Special Volumes
..., and detection: AGU Monograph 124, p. 4165.Warner, M., 1990, Absolute reflection coefficients from deep seismic reflections: Tectonophysics, v. 173, p...
2009
Base of the Crust: Seismological Expression, Geological Evolution, and Basin Controls: Chapter 4: Concepts
J. Hall
AAPG Special Volumes
... and non-porous strata can produce the required reflection coefficients provided the porosity difference is around 1%; the presence of brines in such p...
1989
Review: Geophysical Methods for Karst Detection and Mapping
T. L. Dobecki
Houston Geological Society Bulletin
... rock. A void/rock interface creates a significant acoustic impedance contrast which results in large reflection coefficients (nearly 100% of the seismic...
1990
An Effective Thin Reservoir Prediction Method Which Combines Spectral Inversion and Wide-Band Ricker Wavelet Filtering
Search and Discovery.com
N/A
AVO Inversion in Marine Gas Hydrate Studies; #41603 (2015)
Marc-André Chen, Stan Dosso, George Spence, Michael Riedel, Roy Hyndman
Search and Discovery.com
... reflection coefficients as a function of BSR incidence angles are required, and a true amplitude data processing scheme was implemented. The AVO data...
2015
Seismic and Structural Analysis of a Trenton-Black River Hydrothermal Dolomite Reservoir, by Justine Sagan and Bruce Hart, #40129 (2004).
Search and Discovery.com
2004
Paleostructure and Lithologic-Variation Coefficients: REPLY
S. T. Ovnatanov , G. P. Tamrazyan
AAPG Bulletin
...Paleostructure and Lithologic-Variation Coefficients: REPLY S. T. Ovnatanov , G. P. Tamrazyan 1971 1358 1360 55 8. (August) Jones, T. A., 1970...
1971
Marchenko redatuming and seismic interferometry based internal multiple prediction for salt structures
Zhiwei Gu, Jianhua Geng, Ru-Shan Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... (SI). The second method emphasizes primary reflection retrieval (PRR) by capturing primary reflections without adaptive subtraction. It is derived from...
2023
Influence of Organic Matter in Soils on Radar-Wave Reflection: Sedimentological Implications
Remke L. van Dam,, Elmer H. van den Berg, Sytze van Heteren, C. Kasse, Jeroen A.M. Kenter, Koos Groen
Journal of Sedimentary Research (SEPM)
... reflection coefficients are small. When the various soils are closely spaced it is best to measure in saturated sediment such that reflected pulses do...
2002
An Exact Method for Characterization of Grain Shape
Robert Ehrlich, Bernhard Weinberg
Journal of Sedimentary Research (SEPM)
... greatly with increasing harmonic number, the first few coefficients account for the bulk of roughness coefficient but occupy only a small space...
1970
Workflow for Nonlinear AVO Inversion to Estimate Seismic Anisotropy and Geomechanical Properties of Shale
Un Young Lim, Richard L. Gibson Jr., Nurul Kabir
Unconventional Resources Technology Conference (URTEC)
... estimates of anisotropy of geomechanical properties. We first reformulate the exact Zoeppritz equations for reflection coefficients in terms of four...
2019
Crystal Growth Mechanisms of Quartz Overgrowths in a Cambrian Quartz Arenite
Astrid Makowitz , Duncan Sibley
Journal of Sedimentary Research (SEPM)
... of overgrowth thicknesses versus grain radii with low correlation coefficients result from the small distribution in grain size (small standard deviation...
2001
Evolution of overpressure in the Wufeng-Longmaxi shale reservoirs of the Jiaoshiba area, Sichuan Basin, southwestern China: Implications for shale gas preservation
Tao Luo, Xiaowen Guo, Zhiliang He, Kamaldeen O. Omosanya, Ze Tao, and Sheng He
AAPG Bulletin
... by a decrease in overpressure and pressure coefficients in wells JYA and JYB and a small increase in overpressure and pressure coefficients in well JYC...
2024
PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study
Morgan P. Brown, Joseph H. Higginbotham, Dave List, Chris Lang
Unconventional Resources Technology Conference (URTEC)
.... Thick white lines represent fault cuts. Small green lines (too small to view here) represent fracture orientation. The map was obtained by analyzing PSDM...
2013
PSDM for unconventional reservoirs? A Niobrara Shale case study; #80405 (2014)
Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez, Dave List, Chris Lang
Search and Discovery.com
... equation migration: SEG Expanded Abstracts, v. 29, p. 3242-3246. Rüger, A., 1997, P-wave reflection coefficients for transversely isotropic models...
2014
3.4 Detached Sediments: 3.4.2 Decollement Tectonics (B-Subduction) and Active Margins: The Makran Accretionary Prism
R. S. White
AAPG Special Volumes
... for the migration were measured from wide-angle sonobuoy reflection - refraction profiles over the Gulf of Oman (White and Klitgord, 1976; White and Louden...
1983
Abstract: Joint PP and PS AVO Inversion Based on Zeopprtiz Equations; #90171 (2013)
Tiansheng Chen and Xiucheng Wei
Search and Discovery.com
... equations to inverts for the ratio of density, P-wave velocity and S-wave velocity using the PP and PS plane wave reflection coefficients. At small incident...
2013
Abstract: Joint PP and PS AVO Inversion Based on Zeopprtiz Equations; #90171 (2013)
Tiansheng Chen and Xiucheng Wei
Search and Discovery.com
... equations to inverts for the ratio of density, P-wave velocity and S-wave velocity using the PP and PS plane wave reflection coefficients. At small incident...
2013
Abstract: Azimuthal Fourier Coefficient Elastic Inversion; #90174 (2014)
Benjamin Roure and Jon Downton
Search and Discovery.com
... of weak contrast PP reflection/transmission coefficients for weakly anisotropic elastic media: Studia Geophysica et Geodaetica, 45, 176-197. Rüger...
2014
Automatic Lithofacies Segmentation Using the Wavelet Transform Modulus Maxima Lines WTMM Combined with the Detrneded Fluctuation Analysis DFA
S. Ouadfeul
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... and al showed that this estimator is recommended for signal of low number of samples , we used it to enhance the estimation of the coefficients...
2006
Advanced Seismic-stratigraphic Imaging of Depositional Elements in a Lower Cretaceous (Mannville) Heavy Oil Reservoir, West-central Saskatchewan, Canada
Sabrina E. Sarzalejo Silva, Bruce S. Hart
AAPG Special Volumes
... are shown as dashed white lines. 500 m (1640 ft).The seismic data show a high-amplitude positive reflection that corresponds to the unconformity...
2013
SG14: The COCORP Seismic Reflection Traverse Across the Southern Appalachians - Geologic Divisions in the Southern Appalachians and Interpretation of the Seismic Data
Frederick A. Cook, Larry D. Brown, Sidney Kaufman, and Jack E. Oliver
AAPG Special Volumes
... estimated reflection coefficients which are comparable to those of the Cambrian shale-carbonate (Rome-Shady) sequence. 5. Much of the COCORP profile and much...
1983
The Direct Indicators for Predicting Gas Hydrate Occurrences in the Deep-Water Areas of Vietnams Continental Shelf; #80661 (2018)
Nguyen Thu Huyen, Trinh Xuan Cuong, Nguyen Trung Hieu, P.T. Vien, H.A. Tuan
Search and Discovery.com
... spaces and causes a Diminution of the reflection coefficients of strata. Figure 5. AVO attribute analysis for gas hydrate prediction in the Phu Khanh...
2018
Electron Microprobe Analyses of Magnesium and Iron Distribution in Carbonate Cements and Recrystallized Sediment Grains from Ancient Carbonate Rocks
L. V. Benson, C. W. Achauer, R. K. Matthews
Journal of Sedimentary Research (SEPM)
... and the distribution coefficients of the minor elements. The relation between Mg2+, Fe2+ content and cement morphology is complex and highly variable. In some...
1972