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The AAPG/Datapages Combined Publications Database
Showing 16,599 Results. Searched 200,357 documents.
Multipole borehole acoustics in the presence of an constraints elastic tool
Tim Geerits, Stefan Schimschal, Anna Swiatek
International Meeting for Applied Geoscience and Energy (IMAGE)
... . The vector yq is a column vector of size 12 and contains the transmission and reflection coefficients. Using the same order as defined in Geerits...
2024
Seismic Rock-Property Transforms for Estimating Lithology and Pore-Fluid Content, by Haitao Ren, Fred J. Hilterman, Zhengyun Zhou, and Mritunjay Kumar, #40224 (2006).
Search and Discovery.com
2006
3D GPR data mel-frequency cepstral coefficients features for effective CNN classification of urban utilities
Jide Nosakare Ogunbo, Sang Hun Baek, Sang-Wook Kim
International Meeting for Applied Geoscience and Energy (IMAGE)
.../ doi.org/10.1190/geo2016-0631.1. Ogunbo, J. N., 2022, Algorithm for accurate velocity analysis of 1D acoustic reflection and transmission ...
2024
Abstract: Rpp/Rps to Discriminate Commercial Gas Reservoirs from Non-Commercial Reservoirs, by Fuping Zhu, Richard L. Gibson, Joel S. Watkins, and Sung H. Yuh; #90914(2000)
Search and Discovery.com
2000
Abstract: Seismic Resolution and Thin Bed Reflectivity Inversion; #90211 (2015)
Satinder Chopra and John Castagna
Search and Discovery.com
... model of thin bed response is a v ery special case that is very different from most combinations of reflection coefficients. When the reflection...
2015
Improving Depth Prediction Accuracy of Quantified Drilling Hazards
W. Scott Leaney, William H. Borland
Geological Society of Malaysia (GSM)
...-l (5) i=l 1- ri-l If the reflection coefficients are small, then this recursive product can be approximated by an exponentiated integration...
1996
Quantitative Petrophysical AVO Error Analysis in a Layered Model
Search and Discovery.com
...). Then seismic amplitudes from top of layer 6 were calibrated and compared to the plane-wave reflection coefficients (Figures 3 and 4). Figure 3 and 4 shows...
2013
Prestack joint inversion based on multi-components seismic data using analytical solution of 1D elastic wave equation
Weiheng Geng, Wenkai Lu, Jingye Li, Xiaohong Chen, Yinshuo Li, Lei Han, Cao Song
International Meeting for Applied Geoscience and Energy (IMAGE)
... to the i th layer, is the determinant of the wave equation system matrix, R is the determinant of the reflection coefficients matrix, RPP , RPS , RSP...
2024
An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)
JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE
AAPG Bulletin
... OF REFLECTION COEFFICIENTS The reflection coefficient of the sea floor (Rc[sf]) was determined from the ratio of the amplitude of the sea floor...
1991
Abstract: Azimuthal Fourier Coefficient Elastic Inversion; #90174 (2014)
Benjamin Roure and Jon Downton
Search and Discovery.com
... of weak contrast PP reflection/transmission coefficients for weakly anisotropic elastic media: Studia Geophysica et Geodaetica, 45, 176-197. Rüger...
2014
Abstract: Spherical-Wave AVO Modelling in VTI Media; #90211 (2015)
Arnim Haase and Charles Ursenbach
Search and Discovery.com
.... Previous work by the authors involved using isotropic plane-wave reflection coefficients together with the Weyl integral to compute isotropic spherical...
2015
High-resolution seismic data processing method based on deep convolutional dictionary learning
Xiayu Gao, Qingyu Feng, Yaojun Wang, Bangli Zou, Yang Luo
International Meeting for Applied Geoscience and Energy (IMAGE)
... into spike pulses to estimate subsurface reflection coefficients[2]. Recently, dictionary learning-based deconvolution has emerged as a significant...
2024
Jointly data and model driven pre-stack inversion of elastic and anisotropy parameters in HTI media
Xin Zhang, Jianhua Geng
International Meeting for Applied Geoscience and Energy (IMAGE)
... inversion of anisotropy parameters relies on an approximation formula for reflection and transmission coefficients in anisotropic media. However...
2024
VSP: Lessons from Numerical Simulation
M. Suprajitno, S. A. Greenhalgh
Indonesian Petroleum Association
... computing the 'resultant' transmission and reflection coefficients at R (Figure 1). The resultant coefficients are expressed in the frequency domain...
1985
High-order viscoelastic prestack seismic nonlinear frequency-dependent inversion method based on scattering matrix
Tianjun Lan, Zhaoyun Zong
International Meeting for Applied Geoscience and Energy (IMAGE)
... reflection coefficients or accurate reflection coefficients are required to make full use of large-angle incident seismic data, thereby improving...
2022
Abstracts: A Decomposition of RP into Contributions from single-parameter Reflectivities; #90173 (2015)
Kristopher A. Innanen
Search and Discovery.com
... to the reflection coefficients at normal incidence that would have been measured had only those individual parameters varied. The power of such a decomposition...
2015
Seismic Rock-Property Transforms for Estimating Lithology and Pore-Fluid Content, by Haitao Ren, Fred J. Hilterman, Zhengyun Zhou, and Mritunjay Kumar; #90052 (2006)
Search and Discovery.com
2006
Delineation of the Reservoir by Seismic Methods: Chapter 3
Roberto Sarmiento
AAPG Special Volumes
... resulting from the convolution of the reflection coefficients, taking transmission losses into consideration; 4. Multiples only; 5. Sum of 3 and 4...
1989
G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset
Norman S. Neidell
AAPG Special Volumes
....), "Approximations to the Reflection and Transmission Coefficients of Plane Longitudinal and Transverse Waves," Geophysical Prospecting, Vol. 9, No. 4, pp...
1987
Adaptive regularization parameter estimation in image domain least-squares migration
Shen Sheng, Huazhong Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... reflection coefficients through incorporation of a Gaussian operator. Numerical examples on both synthetic data and field data verify the proposed...
2024
Chapter 2: Basics of Reflection Seismology that Relate to Seismic Stratigraphy
Tom Wittick
North Texas Geological Society
.... Reflection Coefficients When sound impinges on an interface of two materials which have different acoustic impedance values a portion of the sound...
1992
Basics of Reflection Seismic Technology
Abilene Geological Society
... the seismic response. Reflection Coefficients When sound impinges on an interface of two materials which have different acoustic impedance values...
1993
Abstract: Distinguishing Water Saturation Changes from Porosity or Clay Content Changes Using Multicomponent Seismic Data
Fuping Zhu, Richard L. Gibson, Jr., Joel S. Watkins, and Sung H. Yuh
Houston Geological Society Bulletin
... are defined as the change in the P-SV and P-P reflection coefficients, respectively. The target portion of the reservoir is compared with an inferred...
2001
Abstract: Correlation of swath bathymetric images with metrics derived from seismic and sidescan data
B. Nichols, R. Courtney, G. Fader, R. Parrott
Atlantic Geology
... the correlation. Metrics derived from reflection seismic data include reflectivity coefficients RI and R2, and trace-to-trace coherence. The first...
1993