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The AAPG/Datapages Combined Publications Database
Showing 15,811 Results. Searched 195,405 documents.
Time-Lapse Refraction Seismic II: Field Examples
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... at subsurface boundaries. He derives reflection coefficients for non-vertical rays which are essentially the same equations that we refer to today...
2017
Depth Imaging Seismic Data to Help Delineate Gas Reservoirs in Southwest Wyoming
Alvin K. Benson
Wyoming Geological Association
... principle is invoked at each depth to estimate the reflection coefficients at depth z by selecting the amplitudes for zero travel time (measured from...
1989
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
Impedance Inversion Transforms Aid Interpretation, by Satinder Chopra and Ritesh Kumar Sharma; #41622 (2015).
Search and Discovery.com
2015
North Belut 3D Seismic Processing Experience: The First High-Resolution High-Density Q-Marine Survey Conducted in Indonesia
Andreas T. Waluyo, Michael I. Challis
Indonesian Petroleum Association
...-STM reprocessing work for 3D marine seismic reflection data over the North Belut gas field in South Natuna Sea that was acquired in 1998...
2008
Technical Article: Finding Subtle Traps with Seismic: Interpretative Criteria Clarified
A. Easton Wren
Petroleum Exploration Society of Australia (PESA)
... and resolution, and is the reason for wavelet processing. Amplitude of the reflected signal relates directly to the reflection coefficient or acoustic impedance...
1986
Abstract: Correlation of P-P and P-S Data in Yinggehai Basin, South China Sea; #90171 (2013)
Jinfeng Ma, Le Gao, and Igor Morozov
Search and Discovery.com
..., θj is incidence angle of P-wave in layer j,φj is the transmission/reflection angle of S-wave layer number j, ρj is the density in layer j, and αj...
2013
Effects of Overburden Anisotropy and Vertically Aligned Fractures on P-Wave Azimuthal AVO Responses
Fatkhan, Yudi Yanto, Nofri Faruza Said
Indonesian Petroleum Association
... waves and case studies, edited by L. Ikelele and A. Gangi Soc. Expl. Geophys., Tulsa, p. 203-221. Ruger, A., 1996, Reflection coefficients and azimuthal...
2005
Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance
Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
..., Reflection Coefficients and Azimuthal AVO Analysis in Anisotropic Media: Geophysical Monograph Series, Number 10, Society of Exploration Geophysicists...
2016
Amplitude Versus Offset Gradient Modeling Over a Minnelusa Field
W.E. Johnson
Rocky Mountain Association of Geologists
... a Minnelusa Field, Presented at the Geotech '87, Denver. CO. Ostrander, W . J., 1984, Plane-wave reflection coefficients for gas sands at nonnormal...
1988
Abstract: Fracture Detection Via Azimuthal Analysis of Seismic Data: Snake Oil or silver Bullet?; #90187 (2014)
Mike Perz, Peter Cary, Xinxiang Li, and Satinder Chopra
Search and Discovery.com
... standard reflection processing resolution paradigms apply (i.e., lateral and vertical resolution /4—note that both AVAZ and VVAZ are typically performed...
2014
Synthetic Seismograms for PS Seismic Data; #41793 (2016)
Satinder Chopra, Ritesh Kumar Sharma
Search and Discovery.com
... with yellow arrows and in the highlighted zone, there are differences in the reflection coefficients and hence the amplitudes. In each case the same...
2016
The Look Ahead VSP Survey: Its Utility and Future, by Robert J. Brewer #40060
Search and Discovery.com
N/A
Seismic Acquisition and Processing
Bruce S. Hart
Special Publications of SEPM
... seis ic trace consists of the convolution of the earth's i pulse response (i .e., reflection coefficients) with a wavelet, seis ic processors use...
2000
Geostatistical Integration of Crosswell Data for Carbonate Reservoir Modeling, Mcelroy Field, Texas
William M. Bashore, Robert T. Langan, Karla E. Tucker, Paul J. Griffith
Special Publications of SEPM
... as the original data. The second step balances the spikes to appropriate reflection coefficients, but the balancing must be done to preserve the fine...
1995
Estimation of Reservoir Fluid Saturation from 4D Seismic Data: Effects of Noise on Seismic Amplitude and Impedance Attributes
Rafael Souza, David Lumley, Jeffrey Shragge
Petroleum Exploration Society of Australia (PESA)
...-wave velocity of 2.5 km/s. We calculate reflection coefficients (RC) from the P-wave “acoustic” impedance estimates using the normal incidence...
2016
Frequency Attenuation: A Fracture Indicator
Ilyas J. Najmuddin
Houston Geological Society Bulletin
... little direct signature of fractures on a seismic section. Loss of reflection magnitude is one such indicator. Reduction of velocity of the layer...
2001
Developments in New York in 1979
Arthur M. Van Tyne
AAPG Bulletin
..., rising from $14.77/bbl to $38.00/bbl on 1/1/80. Gas prices ranged up to $2.17/Mcf. During 1979, 6 companies accomplished 70 crew-weeks of reflection...
1980
Abstract: Depth Migration of Monostatic and Bistatic Georadar Data; #90187 (2014)
Robert J. Ferguson, Matthew J. Yedlin, Christian Pichot, Jean-Yves Dauvignac, Nicholas Fortino, and Stephane Gaffet
Search and Discovery.com
... with a noise floor of -120 dB. The monostatic (reflection) data and bistatic (transmission) data are recorded as a + ib complex numbers and each...
2014
Abstracts: Accurate Declipping Hybrid Algorithm for Ground Penetrating Radar Data; #90173 (2015)
Akshay Gulati and R. J. Ferguson
Search and Discovery.com
... interpolation. Introduction Ground Penetrating Radar (GPR) methods are based on the same principle as seismic reflection methods. It is now a widely accepted...
2015
Seismic-attribute Analysis for Gas-hydrate and Free-gas Prospects on the North Slope of Alaska
M. W. Lee, T. S. Collett, T. L. Inks
AAPG Special Volumes
... that a seismic stack section represents a filtered version of normal-incidence reflection coefficients. P-wave reflection amplitudes depend on the impedance...
2009
Elastic impedance parameterization and inversion for fracture quasi-weaknesses and quasi-Thomsen parameters in fractured reservoirs with monoclinic symmetry
Wei Xiang, Xingyao Yin, Kun Li, Zhengqian Ma
International Meeting for Applied Geoscience and Energy (IMAGE)
..., 2004, Born integral, stationary phase and linearized reflection coefficients in weak anisotropic media: Geophysical Journal International, 158, 225...
2023
Fault Criteria
Francis F. Campbell
GCAGS Transactions
.... The middle trace is derived from the CVL log by analog computer and represents the reflection coefficients. The bottom trace is the synthetic seismic...
1965
A Case History of Geoseismic Modeling of Basal Morrow-Springer Sandstones, Watonga-Chickasha Trend: Geary, Oklahoma--T13N, R10W: Section 3. Stratigraphic Models from Seismic Data
William A. Clement
AAPG Special Volumes
... to 3,505 m/sec) shales. Reflection coefficients between sandstones and shales range from 0.1 to 0.3. Results of the modeling indicate that sandstones...
1977
Seismic Hydrocarbon Indicators in the South China Sea: Geological and Geophysical Aspects
Stephen P. J. Cossey, William T. Valenta, Francois Payot, Tom T. Ho, P. J. Wegenhofer
Indonesian Petroleum Association
... in a horizontal plane at the gas/water contact where gas sands change to water sands. Reflection coefficients existing within the water zone cross...
1982