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Showing 60,751 Results. Searched 200,357 documents.
Abstract: Recovering Low Frequencies for Impedance Inversion by Frequency Domain Deconvolution; #90224 (2015)
Sina Esmaeili and Gary Frank
Search and Discovery.com
.... To calculate the acoustic impedance instead of using the impedance to compute reflection coefficients in equation 3, it is possible to use reflection...
2015
Seismic Stratigraphy and Global Changes of Sea Level: Part 6. Stratigraphic Interpretation of Seismic Reflection Patterns in Depositional Sequences: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation
R. M. Mitchum Jr., P. R. Vail , J. B. Sangree
AAPG Special Volumes
... reflection will be continuous if the reflection coefficient of the unconformity is significantly greater than the reflec ion coefficients of the underlying...
1977
Delineation of the Reservoir by Seismic Methods: Chapter 3
Roberto Sarmiento
AAPG Special Volumes
... events; and (4) reduction of the trace to a relatively small number of spikes with amplitudes and polarities defined by the reflection coefficients...
1989
Seismic Characterization of the Fiordland Gas-hydrate Province, New Zealand
Miko Fohrmann, Andrew R. Gorman, Ingo A. Pecher
AAPG Special Volumes
... coefficients range between 0.25 and 0.30 for the sea floor and 0.04 and 0.15 for the BSR, respectively. These reflection coefficients for BSRs are small compared...
2009
Lithofacies prediction of shale based on broadband spectral inversion
Hongmei Luo, Yiran Xing, Changjiang Wang, Jingtao Zhang, Peijie Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
... inversion method construction. Spectral inversion based on parity and even decomposition principle of reflection coefficients was first proposed...
2022
Simsboro and Adjacent Formations Between Brazos and Trinity Rivers Texas Lithology and Clay Mineralogy(1)
Donald W. Kohls
GCAGS Transactions
... reflection), illite (10 AU reflection), and a small amount of mixed layered illite-montmorillonite constitute the clay mineral suite (fig. 4, E and F...
1963
3-D Seismic Interactive Interpretation of Complex Stratigraphic Environments: An Example From Grayson County, Texas: ABSTRACT
A. C. Schlosser, D. G. Jovanovich, R. C. Jones, J. H. Caldwell
AAPG Bulletin
... of these sand bodies was in question due to their vertical and horizontal extent as well as their small reflection coefficients. The interpretation...
1984
Some Characteristics of the Effective Seismic Model of the Sub-Salt Sediments of the Astrakhan Arch and their Relationship to the Field of Reflected Waves
V. T. Loginov
Petroleum Geology: A Digest of Russian Literature
... in number of extremes is related to the number of elemental waves forming the field. Change in coefficients of reflection of boundaries with their number...
1980
A Study of the Relations of Depth, Porosity and Clay Mineral Orientation in Pennsylvanian Shales
Mack Gipson, Jr.
Journal of Sedimentary Research (SEPM)
..., however, tends to lose its crystallinity at temperatures near 550°C. Therefore, a small amount of the redu tion in the 7A reflection may be due...
1966
Synthetic Seismograms from Vibracores: A Case Study in Correlating the Late Quaternary Seismic Stratigraphy of the New Jersey Inner Continental Shelf
Dominic Esker , Robert E. Sheridan , Gall M. Ashley , Jeffrey S. Waldner , David W. Hall
Journal of Sedimentary Research (SEPM)
... ft (3.9 m) b.s.f. especially between 11 ft (3.3 m) and 13 ft (4.0 m) b.s.f. in Vibracore 10 (Fig. 3) create closely spaced reflection coefficients...
1996
Abstract: The Application of Extreme Attributes of PS Converted Wave; #90171 (2013)
Xiucheng. Wei, Xiang-Yang Li, Tiansheng Chen, and Lihua Jia
Search and Discovery.com
... describe the variation of PP (incident P wave, reflected P wave) and PS (incident P wave, reflected S wave) reflection coefficients, they are mathematically...
2013
Amplitude Recovery of Digitally Recorded Data
Roy O. Lindseth
Pacific Section of AAPG
... of some small time increment, say. equal to the sampling unit used for recording the corresponding seismic trace. At each boundary the reflection...
1972
Seismic expressions of a Miocene prograding carbonate margin, Mut Basin, Turkey
Xavier Janson, Gregor P. Eberli, Florence Bonnaffe, Fabrice Gaumet, Vincent De Casanove
AAPG Bulletin
...-tracing method (Fagin, 1991), which uses only rays that travel at a 90 angle to the reflecting surface (Figure 11A). Reflection coefficients...
2007
Synthetic Stratigraphy with a Stochastic Diffusion Model of Fluvial Sedimentation
Jon D. Pelletier, Donald L. Turcotte
Journal of Sedimentary Research (SEPM)
... properties of primary reflection coefficients: Geophysical Prospecting, v. 33, p. 400-435. WALLACE, R.E., 1977, Profiles and ages of young fault...
1997
Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)
Carlos Montana and Gary Margrave
Search and Discovery.com
.... Walden, A.T., and J.W.J. Hosken, 1985, An investigation of the spectral properties of primary reflection coefficients: Geophys. Prosp., v. 33, p...
2015
A MULTIPLE MEDIA GEOCHMICAL SURVEY OF A BOULDER TRAIN ASSOCIATED WITH THE DUDDRIDGE LAKE URANIUM DEPOSIT, SASKATCHEWAN
D.R. Haughton
Saskatchewan Geological Society
... is a reflection of variable rock composition. Correlation coefficients between uranium and various elements are summarized in Table 9. All outcrop correlation...
1977
Formation and Early Diagenesis of Varved Evaporite Sediments in a Coastal Hypersaline Pool
Jacob Kushnir
Journal of Sedimentary Research (SEPM)
... the partition coefficients of these ions are extremely small. The concentrations of Sr in the solution, however, is altered by the coprecipitation process...
1981
Horizontal stress inversion based on azimuthal difference in P-wave reflectivity
Fubin Chen, Zhaoyun Zong, Xingyao Yin
International Meeting for Applied Geoscience and Energy (IMAGE)
... the azimuthal difference in reflection coefficients at small incidence angles is much less than that at large incidence angles. Therefore, the influence...
2022
High-resolution seismic detection of shallow natural gas beneath Hutchinson, Kansas
Susan E. Nissen, W. Lynn Watney, Jianghai Xia
Environmental Geosciences (DEG)
... to calculate the reflection coefficients for DDV 57, DDV 63, and DDV 67. Because DDV 5 did not have a density log available, reflection coefficients...
2004
Lithology Prediction by Extrapolating Well Data
Brian Barley, Dean Chergotis, Mai Wilson, Susan Young
Indonesian Petroleum Association
.... Oldenburg, D.W., Scheuer, T. and Levy, S. (1983). Recovery of the acoustic impedance from reflection seismograms. Geophysics, 48, 1318-1337. White, R.E....
1992
Reflection waveform inversion regularized with structural constraints and scattered data interpolation
Chengliang Wu, Huazhong Wang, Bo Feng, Ting Lei, Rongwei Xu, Shen Sheng
International Meeting for Applied Geoscience and Energy (IMAGE)
...Reflection waveform inversion regularized with structural constraints and scattered data interpolation Chengliang Wu, Huazhong Wang, Bo Feng, Ting...
2023
Seismic Activity in the Central Gulf Coast Basin
Eugene R. Brumbaugh
New Orleans Geological Society
... of structure, the Gulf Coast is primarily a "subsurface" province, and the seismograph is its most important exploration tool. Reflection seismograph work has...
1991
Seismic Modelling in 3D for Migration Testing
Search and Discovery.com
... reflecting surfaces, with arbitrarily variable reflection coefficients, embedded in a 3D medium characterized by a v ( z ) background velocity...
2013
Determination of Local Diffusion Coefficients and Directional Anisotropy in Shale From Dynamic Micro-CT Imaging
Yulai Zhang, Peyman Mostaghimi, Andrew Fogden, Alessio Arena, Adrian Sheppard, Jill Middleton, Ryan T. Armstrong
Unconventional Resources Technology Conference (URTEC)
... procedure to measure the local, directional Fickian diffusion coefficients matching the observed concentration fields. Small centimeter-sized vertically...
2017
Stratigraphic Analysis of Seismic Data from the Garden Banks Block 235 Area, Offshore Gulf of Mexico
Edwin I. Linares, Abu K. M. Sarwar
GCAGS Transactions
... wedge of the actual time thickness. The wavelet shown at the top is convolved with the reflection coefficients of the time wedge to produce the apparent...
2006