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The AAPG/Datapages Combined Publications Database
Showing 15,893 Results. Searched 196,374 documents.
Seismic Imaging of Gas Hydrate Distribution - A Case Study; #80441 (2015)
Jun-Wei Huang
Search and Discovery.com
...). The backward scattering is weaker than the reflection occurring on other layers. For the convenience of visualization, three types of seismograms (reflection...
2015
Physical Basis of Reflection Seismology
Bruce S. Hart
Special Publications of SEPM
... the controls on i pedance, and so reflection coefficients, we need to look at the density and velocity ter s a bit ore . The density or, ore correctly, the bulk...
2000
Reflection Response of Class Two Reservoirs, by Diana Sava1 and Bob Hardage, #40246 (2007).
Search and Discovery.com
2007
Monitoring Seafloor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico, by Erika Geresi, Ross Chapman, Tom McGee, and Bob Woolsey; #90035 (2004)
Search and Discovery.com
2004
Induced AVO Anomalies from Pore Pressure Effects
A.C. Buginga Ramos, M.A. Santiago Toledo
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... the knowledge of pore pressure effects these anomalies could easily be confused with pay zones. Figure 8 shows the P-wave reflection coefficients...
2006
Relative Impedance Inversion of Seismic Traces by Means of Complex Trace Attributes (CTA Inversion) 40 Years On!, #42179 (2018).
Kurt Grubbe, Sean McQuaid
Search and Discovery.com
... of reflection coefficients with a zero-phase wavelet (Robertson and Nogami, 1984; Robertson and Fisher, 1988). They found a significant and unique...
2018
Basic Seismic Processing: Part 7. Geophysical Methods
Peter M. Duncan
AAPG Special Volumes
... related to shot and receiver positions on the surface of the earth, an elapsed time after the shot that originated the reflection or echo (traveltime...
1992
Moho structure of Australia from probabilistic inversion of teleseismic P-wave coda autocorrelation
Mehdi Tork Qashqai, Erdinc Saygin
Petroleum Exploration Society of Australia (PESA)
... of the seismic transmission response (generated by a deep source) corresponds to the reflection response beneath the station as if there was a virtual source...
2019
Use of SEISLOG for Basin Evaluation and Field Development
R. C. Mummery
Geological Society of Malaysia (GSM)
... transit time data of the sonic log is transferred into the time domain and converted to reflection coefficients using the relationship shown in Figure 1...
1987
Creating Singularity Order Attribute of Seismic Signals Using Continuous Wavelet Transform (CWT) for Stratigraphic Interpretation Tools
A.M. Ustad, M.S. Jaya, F.J. Herrman
Indonesian Petroleum Association
... as dis (appearance) of local maxima in wavelet transform coefficients. The output of this attribute produces a map of singularity structure. It can...
2007
The Petrology of Some Pennsylvanian Black "Shales"
Charles E. Payton, Leo A. Thomas
Journal of Sedimentary Research (SEPM)
.... The siltstones have an average mineral composition within the range of sub-graywacke to graywacke. Sorting coefficients range from 1.9 to 4.3...
1959
Long-Offset Approximations to NMO Function for a Layered Subsurface
E. Blias
Search and Discovery.com
.../depth ratio. Conventional velocity analysis uses hyperbolic approximation for the reflection traveltimes: t( x) 2 T02 x 2 VRMS (1) Here T0...
Unknown
Long-Offset Approximations to NMO Function for a Layered Subsurface
E. Blias
Search and Discovery.com
.../depth ratio. Conventional velocity analysis uses hyperbolic approximation for the reflection traveltimes: t( x) 2 T02 x 2 VRMS (1) Here T0...
Unknown
Seismic Characterization of the Fiordland Gas-hydrate Province, New Zealand
Miko Fohrmann, Andrew R. Gorman, Ingo A. Pecher
AAPG Special Volumes
..., New Zealand: Journal of Structural Geology, v. 19, no. 10, p. 13231342.Ostrander, W. J., 1984, Plane-wave reflection coefficients for gas sands...
2009
Some Results of Dynamic Analysis of Reflected Waves in the Area of the Kuleshov Oil Field
A. I. Belyayeva, O. I. Rogoza, S. A. Semenova
Petroleum Geology: A Digest of Russian Literature
..., and the values of the coefficients of reflection qn and qn+1 on these boundaries. Consequently, the graphs of An+1/An = ϕ(x) quantitatively reflect...
1966
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
Natural Gas in the Wilcox Trend of South Texas
Fred L. Oliver
GCAGS Transactions
... control in most localities. Many prospects, however, require better delineation, and detailed reflection seismograph surveys yield excellent exploratory...
1958
AVAZ inversion for brittleness indicator and fracture parameters of gas-bearing reservoirs with tilted transverse isotropy
Yuanyuan Tan, Guangzhi Zhang, Zhengqian Ma, Ying Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... the amplitude variation with the angle and azimuth (AVAZ) inversion. First, we derive a linearized PP-wave reflection coefficient of the TTI medium...
2023
Towards a Balance of Pore Size Distribution of Non-Conventional Hydrocarbon Reservoirs: a Combination of Bulk Techniques Applied to Comparable Sub-Samples Localized by 3D X-ray µ-Tomography
Natalia Matskova, Dimitri Pret, Stéphane Gaboreau, Philippe Cosenza, R. Brechon, I. Gener, Claire Fialips, G. Dubes, François Gelin
Unconventional Resources Technology Conference (URTEC)
... presenting (i) similar non-clay grain amounts, (ii) similar X-ray linear attenuation coefficients, and (iii) no cracks or macro-heterogeneities...
2017
Abstract: Seismic Source Wavelet Estimation and Sparse-spike Deconvolution; #90174 (2014)
Zhengsheng Yao and Mike Galbraith
Search and Discovery.com
...) and a source wavelet, i.e. (1) where r refers to a time series of reflect coefficients and h refers to a source wavelet. Because the convolution...
2014
One-Dimensional Prestack Seismic Inversion with Very Fast Simulated Annealing using Edge-Preserving-Smoothing Filter; #41576 (2015)
Somanath Misra, Mauricio Sacchi
Search and Discovery.com
...-offset data are converted to the angle-domain by shooting rays from the source to receiver. The PP reflection coefficients are calculated from...
2015
General Geology and Oil Possibilities of the Amazonas Basin in Brazil
Luis G. Morales
Tulsa Geological Society
... of the problem, preliminary computations of absorption and reflection coefficients (terms of amplitude) indicated an energy return to surface or less...
1963
SG14: The COCORP Seismic Reflection Traverse Across the Southern Appalachians - Data Acquisition and Processing
Frederick A. Cook, Larry D. Brown, Sidney Kaufman, and Jack E. Oliver
AAPG Special Volumes
...SG14: The COCORP Seismic Reflection Traverse Across the Southern Appalachians - Data Acquisition and Processing Frederick A. Cook, Larry D. Brown...
1983
An Easily Constructed, Very Inexpensive, Solar Cell Transmissometer (SCT): RESEARCH METHODS PAPERS
Stephen C. Knowles, John T. Wells
Journal of Sedimentary Research (SEPM)
... predicted by SCT and OBS during field trial. End_Page 213------------------------ light transmission and a particle size dependent transmissometer...
1998