Click to minimize content

Welcome to the new Datapages Archives

Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.

AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.

Click to maximize content

Welcome to the new Datapages Archives

Search Results   > New Search > Revise Search

The AAPG/Datapages Combined Publications Database

Showing 16,599 Results. Searched 200,357 documents.

< Previous   3   4   5   6   7   Next >

Ascending

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

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: 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

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

< Previous   3   4   5   6   7   Next >