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The AAPG/Datapages Combined Publications Database
Showing 5,130 Results. Searched 195,596 documents.
Permeability, Porosity, and Shear-wave Anisotropy From Scaling of Open Fracture Populations
Randall Marrett
Rocky Mountain Association of Geologists
...; Snow, 1969). Open fracture length may be related to the velocity anisotropy of elastic shear-waves propagating vertically through fractured rock...
1997
Abstracts: Application of Fractional Fourier Transform in Cepstrum Analysis; #90173 (2015)
K. H. Miah, R. H. Herrera, M. van der Baan, and M. D. Sacchi
Search and Discovery.com
... Example of Fractional-Cepstrum (FC) A true wavelet is generated by superposition of two Ricker wavelets of different frequencies and phase rotations...
2015
Abstract: Resolution and Location Uncertainties in Surface Microseismic Monitoring; #90174 (2014)
Michael Thornton
Search and Discovery.com
... imaging with only compressional waves, significantly reducing the sensitivity to velocity model assumptions. While the surface arrays offer several...
2014
Abstract: Determining Effective Hydraulic Fracture Volume Utilizing PSO and Seismic Deformation; #90171 (2013)
Sheri Bowman and Ted Urbancic
Search and Discovery.com
... Determining Effective Hydraulic Fracture Volume Utilizing PSO and Seismic Deformation Sheri Bowman* Engineering Seismology Group (ESG) Canada Inc., Kingston...
2013
Abstract: Determining Effective Hydraulic Fracture Volume Utilizing PSO and Seismic Deformation; #90171 (2013)
Sheri Bowman and Ted Urbancic
Search and Discovery.com
... Determining Effective Hydraulic Fracture Volume Utilizing PSO and Seismic Deformation Sheri Bowman* Engineering Seismology Group (ESG) Canada Inc., Kingston...
2013
Deep-Sea Bottom-Currents Differentiated from Texture of Underlying Sediment
Christopher R. Blaeser, Michael T. Ledbetter
Journal of Sedimentary Research (SEPM)
... on a fourth-degree correlation matrix of different parameters to draw inferences about the main factors controlling skewness and hence inferred velocity...
1982
Chapter Four: Thin-Bedded Turbidites: Overview and Petroleum Perspective
Dorrik A. V. Stow, Bayonle A. Omoniyi
AAPG Special Volumes
..., Southampton, U.K., 356 p. Talling, P. J., 2014, On the triggers, resulting flow types and frequencies of subaqueous sediment density flows in different...
2018
Palynologic Correlations in Cretaceous Eagle Ford Group, Northeast Texas
C. W. Brown , R. L. Pierce
AAPG Bulletin
... by factors in the marine environment that can be at least partly offset by using only the land plant palynomorph sum in calculating species frequencies...
1962
Geodynamic Model of the Subandean Zone in Alto Beni Area, Bolivia
Dietrich Roeder
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
..., and as velocity anomally beneath the anticlines. A level of decollement, not vi sible on the Section, is assumed near the base of the Devonian...
1982
Hybridised Weighted Boot-Strap Differential Semblance
Hamish Wilson, Lutz Gross
Petroleum Exploration Society of Australia (PESA)
...near velocity profile V(t)=1500+360 . t, with a dominant signal frequency of 10Hz, with 1501 samples at a sample rate of 0.004 seconds. Six diffe...
2016
The Critical Densimetric Froude Number of Subaqueous Gravity Currents Can Be Non-Unity or Non-Existent
Heqing Huang, Jasim Imran, Carlos Pirmez, Qianfeng Zhang, Guang Chen
Journal of Sedimentary Research (SEPM)
... in the Eocene Hecho Group (South-central Pyrenees, Spain): Sedimentology, v. 24, p. 107–131. Waltham, D., 2004, Flow transformations in particulate...
2009
Diapirs of Magdalena Delta: DISCUSSION
M. M. Ball
AAPG Bulletin
..., p. 2201; Fig. 7, right side, p. 2202) the sum of the squares of the depth to crest and the horizontal distance from the crest to points on the flank...
1969
Abstract: Uncertainty in Surface Microseismic Monitoring; #90187 (2014)
Michael Thornton, Mike Mueller, and Leo Eisner
Search and Discovery.com
... captures a large portion of the emitted microseismic wave field, enabling well constrained event imaging with only compressional waves significantly reducing...
2014
Uncertainty in Surface Microseismic Monitoring; #41258 (2013)
Mike Mueller, Michael Thornton, and Leo Eisner
Search and Discovery.com
... in the subsurface. For each potential location, diffraction curves for compressional waves are computed, assuming a known velocity field. The recorded data traces...
2013
Geologic Risking Guide for Prospects and Plays
David A. White
AAPG Bulletin
... (or at least one zone in a prospect) is much too high. The chance for the sum cannot be higher than the group chance. In Gehman's example, six prospects...
1993
Abstract: Fast and Accurate Impedance Inversion by Well-Log Calibration; #90171 (2013)
Igor B. Morozov and Jinfeng Ma
Search and Discovery.com
...-seismic information, such as the background velocity/density model and well logs. This information can be added by either mixing the scaled low...
2013
Quantitatively evaluating the sources of taphonomic biasing of skeletal element abundances in fossil assemblages
Jason R. Moore, David B. Norman
PALAIOS
...; Coard, 1999). The effects of all the different biasing factors influencing an assemblage must be considered in concert to generate a quantitative...
2009
A Towed Streamer EM System Performance Case Study
Folke Engelmark, Allan McKay, Johan Mattsson
Indonesian Petroleum Association
... advantage of the fact that the signal only occupies discrete frequencies, whereas the stochastic noise is spread throughout the spectrum. Hence, between...
2013
Abstract: The Influence of Orbital Climatic Cycles on Organic Carbon Distribution in Marine Sediments, by F. S. P. Van Buchem, P. L. De Boer, and I. N. McCave; #90987 (1993).
Search and Discovery.com
1993
Interferometry Application to Interpolate Missing 2D Seismic Data in Shot Gathers
Lily Suherlina, M.Yusup Nur Khakim, Hilman Mardiyan, Roy Baroes
Indonesian Petroleum Association
..., it occupied plenty of shots, hence, it is necessary to sum. The objective is to integrate the different shots into new virtual shot gathers. METHOD...
2016
Islands at Risk: Coastal Hazard Assessment and Mapping in The Hawaiian Islands
Bruce M. Richmond, Charles H. Fletcher, III, Eric E. Grossman, Ann E. Gibbs
Environmental Geosciences (DEG)
... by intense rainfall events are nearly an annual occurrence in the state, as are seasonal high waves generated by north Pacific storms. Coastal erosion has...
2001
Physical Processes in the Ocean: Part 2: Relation of Oceanography to Sedimentation: PART 2
R. H. Fleming, Roger Revelle
AAPG Special Volumes
.... SVERDRUP, H. U., and FLEMING, R. H., unpublished material. 104. SWAINSON, O. W., "Velocity and Ray Paths of Sound Waves in Sea Water," Field Engineers...
1939
Storm- and Fair-Weather Combined Flow on the Central Texas Continental Shelf
John W. Snedden , Dag Nummedal, Anthony F. Amos
Journal of Sedimentary Research (SEPM)
... by the low-frequency waves in different sectors of tropical storm systems. In general, these long period waves appear to propagate in a fan-shaped...
1988
Attributes Assisted Seismic Interpretation in Pre-Stack Time versus Depth Migration Data; #41637 (2015)
Tengfei Lin, Hang Deng, Zhifa Zhan, Zhonghong Wan, Kurt Marfurt
Search and Discovery.com
... interpretation. First, fault shadows give rise to a second (artificial) discontinuity coherence images computed from PSTM data. Second, velocity pull-up...
2015
EXTENDED ABSTRACT: Geological and Geophysical Integration to Estimate the Thermal State in the Gulf of Mexico Basin
Joel Rosales Rodríguez
GCAGS Transactions
... Geofísica, UNAM EXTENDED ABSTRACT Measured temperatures from boreholes in the Gulf of Mexico represent the sum of thermal variations throughout the tectonic...
2011