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The AAPG/Datapages Combined Publications Database
Showing 18,041 Results. Searched 195,354 documents.
Abstract: Do You Have a Moment: the Importance of Instrumentation in Moment Magnitude Estimation; #90224 (2015)
W. Greig and N. Spriggs
Search and Discovery.com
... to a nominal criterion defined below. Estimating moment magnitude depends on imaging the flat, low frequency portion of the Brune displacement spectrum...
2015
Development of Raman Spectroscopy as a Thermal Maturity Proxy in Unconventional Resource Assessment
Grant Myers, Kelsey Kehoe, Paul Hackley
Unconventional Resources Technology Conference (URTEC)
...) at the U.S. Geological Survey (USGS) and Raman microscopy (RM) at WellDog. In semi-blind Phase I, BRo values of the initial set of 8 samples were...
2018
Spectral Analysis of the Middle Triassic Latemar Limestone
Linda A. Hinnov, Robert K. Goldhammer
Journal of Sedimentary Research (SEPM)
.... KAY, S.M., AND MARPLE, S.L., 1981, Spectrum analysis--a modern perspective: Proceedings of the IEEE, v. 69, p. 1380-1419. KUKLA, G., BERGER...
1991
Abstract: Petroleum Generation and Expulsion in the Constrained Bakken Petroleum System and Its Relevance to the Formation of Fractures, by G. P. A. Muscio, B. Horsfield, and D. H. Welte; #90956 (1995).
Search and Discovery.com
1995
Water in Skeletal Carbonates
Susan J. Gaffey
Journal of Sedimentary Research (SEPM)
... a different H2O phase. Absorption features numbered as in previous figures. Mismatch between data and fit curve at ends of spectrum is due to additional...
1988
Time Frequency Gathers: An Optimal Spectral Decomposition Analysis Approach
Badsha Basu Roy
Indonesian Petroleum Association
... Proceedings, 2016 T(t) is seismic trace, H(t) is Hilbert’s transform of T(t) i.e. 900 phase shift of T(t) It is represented as positive values...
2016
ABSTRACT: Global Classification of Spectrum of Submarine Fan Types, by Donn S. Gorsline; #91038 (2010)
Search and Discovery.com
2010
Abstract: Exploring Potential Applications of Gaussian Ball Filters in Sharpes Hollow Cavity Model; #90224 (2015)
Christopher C. Petten and Gary F. Margrave
Search and Discovery.com
... activation waveforms. We found that that a Ricker and a minimum phase wavelet produced the most reasonable results that might be expected from a real explosion...
2015
ABSTRACT Pre-existing Zones of Weakness: An Experimental Study of Their Influence on the Development of Extensional Faults, #90104 (2010)
Henza Alissa A.; Withjack Martha O.; Schlische Roy W.
Search and Discovery.com
... whose directions differ by 45°. To vary the properties of the first‐phase fault fabric, we vary the magnitude of the first‐phase extension...
2010
Abstract/Excerpts: Secondary Migration of Petroleum as a Highly Efficient, Self-Adjusting Process with Little or No Capillary Resistance, by John G. Stainforth; #120098 (2013)
Search and Discovery.com
2013
Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta
J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis
AAPG Bulletin
... by frequency, the amplitude spectrum of the input with that of the suspension, and the phase spectrum is found by adding the phase spectra of the input...
1969
3-D Seismic Volume Visualization in Color; #42491 (2020)
Satinder Chopra, Ritesh Kumar Sharma, Kurt J. Marfurt
Search and Discovery.com
... are rendered on workstation monitors. The Visible Spectrum Light consists of waves that form a small region of the electromagnetic spectrum...
2020
Low Frequency Shadow Zone Analysis Based on CWT Spectral Decomposition: Case Study of South Sumatra Basin
Abdul Haris, I Nengah Suabdi, Erwinsyah, Adriansyah, Abdullah Nurhasan, Ahsanul Khair, Ian A. Kainama
Indonesian Petroleum Association
... of individual frequency magnitude from such a 3D volume with a close correlation with well production performance can help detect low-frequency shadows...
2008
Abstract: Impedance Inversion of Blackfoot 3D Seismic Dataset; #90171 (2013)
A. Swisi and Igor B. Morozov
Search and Discovery.com
...) This operator maps the seismic spectrum onto the earth impedances spectrum. The operator is constructed by fitting a power-law dependence f to the AI...
2013
Extended Abstract: Detailed Interpretation of a Channel System Using Geological Expression Workflows: A Case Study from the Taranaki Basin, New Zealand
Hugo M. P. Garcia, Tom Wooltorton
GCAGS Transactions
... and relationship of the individual channels. Background Geology The development of the basin can be divided in four main phases. Each phase...
2014
Near-Shore Ripples: Some Hydraulic Relationships
A. S. Trenhaile
Journal of Sedimentary Research (SEPM)
... and quadrature spectrum values were highest for the lower frequencies, the ones most likely to occur, although the out-of-phase or quadrature spectrum values were...
1973
A fractal model for hydrocarbon resource assessment with an application to the natural gas play of volcanic reservoirs in Songliao Basin, China
Caineng Zou, Qiulin Guo, Jinghong Wang, Hongbing Xie
CSPG Bulletin
... map) is also transformed to a frequency domain by FFT, obtaining an amplitude spectrum (denoted as OAMsize) and a phase spectrum (denoted as OPMsize...
2012
Wave Modeling and Hydrodynamics
J. Ian Collins
Special Publications of SEPM
... definition of the directional energy density spectrum and its modification by wind bottom topography waves bottom friction and nonlinear interactions...
1987
Filtering of Depositional Events and the Completeness of Sedimentary Sequences
Kevin D. Crowley
Journal of Sedimentary Research (SEPM)
... a characteristic magnitude (m) and frequency of occurrence (). A "discrete phase of sedimentation" comprises that volume of reworked or newly...
1984
Petrophysical characterization of Lower Cretaceous marly chalk through 1H-NMR and complex conductivity
Ermis Proestakis, Leonardo Teixeira Pinto Meireles, Ida Lykke Fabricius
International Meeting for Applied Geoscience and Energy (IMAGE)
... that the quadrature conductivity spectrum provides information on pore space geometry similar to the T2 relaxation time domain. Sample conductivity was lower...
2023
Abstract: Fluid and Gas Expulsion on the Northern Gulf of Mexico Slope: Effects of Frequency and Magnitude on Seafloor Impacts with Special Emphasis on Gas Hydrates, by Harry H. Roberts; #90914(2000)
Search and Discovery.com
2000
Fractal Structure of Stylolites
Carl N. Drummond, Damon N. Sexton
Journal of Sedimentary Research (SEPM)
... of the spectrum. This red-shifted spectrum is best modeled as a persistent fractional noise. Such noise spectra are those where successive positions along...
1998
Abstract: Magnitude, Scaling, and Spectral Signature of Tensile Microseisms; #90224 (2015)
David W. Eaton
Search and Discovery.com
... the low-frequency displacement spectrum. In the case of tensile rupture, there is less ambiguity and source radius (a) can be related to moment magnitude...
2015
Chapter Six: Tuning Phenomena in Reservoirs
Alistair R. Brown
AAPG Special Volumes
... of Three-Dimensional Seismic Data (Seventh Edition), 2011 Kallweit, R. S., and L. C. Wood, 1982, The limits of resolution of zero-phase wavelets...
2011
Problems in Provinciality: ABSTRACT
C. A. Ross
AAPG Bulletin
... of provinciality and the paleogeographic patterns of different types of provinciality. A broad spectrum of interpretations on this diverse subject is drawn...
1972