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The AAPG/Datapages Combined Publications Database

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ABSTRACT: THE CHARACTERISATION OF CLAYS USING MICRO-REFLECTANCE SPECTROSCOPY

M. KRAHE-SOLOMON, B.D. KYBETT, AND E.M.V. NAMBUDIRI

Saskatchewan Geological Society

... and montmorillonite. Transmission or DRIFTS techniques require the sample to be finely ground and mixed with KBr. The spectra are quantitative and the relative...

1990

ABSTRACT: Acoustic Technology for Monitoring Hydrate Phase-Changes; #90007 (2002)

David M. Weinberg, Dennis C. Kunerth, Clark L. Scott

Search and Discovery.com

... conventional laboratory measurements that use acoustic transmission to measure rock properties, these experiments employed a coincident source...

2002

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... at the intermediate layer is R(reflection coefficient). For a 1D synthetic transmission using a ricker wavelet, the ratio between the direct arrival and multiples...

2013

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... at the intermediate layer is R(reflection coefficient). For a 1D synthetic transmission using a ricker wavelet, the ratio between the direct arrival and multiples...

2013

Seismic facies analysis method based on spectral clustering machine learning

Kaiheng Sang, Nanying Lan, Fanchang Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Firstly, we set sparsity coefficient  . Then for the similarity vector, only the first  similarity coefficients with the largest similarity degree...

2022

Natural Gas Hydrates of the Offshore Circum-Pacific Margin--A Future Energy Resource?

Keith A. Kvenvolden, Alan K. Cooper

Circum Pacific Council Publications

... produces large reflection coefficients and reversed polarities relative to the sea-floor reflector. The depth of this reflector generally correlates...

1986

Time-lapse attenuation variations during CO2 injection using DAS VSP data from the CaMI Field Research Station, Alberta, Canada

Yichuan Wang, Donald C. Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... of OBS2. Figure 2 shows the separation of upgoing (reflection) wavefield from the raw data of monitor DAS VSP survey by the application of a median...

2022

Diffraction separation based on envelop and optimized stacking

Wentao Mu, Weiyi Zhang, Jianlei Zhang, Zhenping Tian

International Meeting for Applied Geoscience and Energy (IMAGE)

... diffraction and reflection in pre-stack gathers before migration (Khaidukov et al., 2004; Taner et al., 2006; Fomel et al., 2007). In the second category...

2024

Study of Productive Sediments of the Neocomian of East Urengoy Field

A. N. Zolotov, A. G. Lur’ye, D. I. Rudniikaya, F. K. Salmanov

Petroleum Geology: A Digest of Russian Literature

...-producing intervals of clinoformal sediments. This system provides for separation of elemental seismic signals and sections of effective coefficients...

1999

4D Seismic and Rock Physics Modeling Responses to Reservoir Steam Flood

Muhammad Edisar, Lilik Hendrajaya, Gunawan Handayani, Umar Fauzi, Laode Ngkoimani, Yarmanto

Indonesian Petroleum Association

... University Press. Ostrander, W., J., 1984. Plane-wave Reflection Coefficients for Gas Sands at Non-normal Incidence: Geophysics, v. 49, p. 1637-1648...

2005

Building a three-dimensional near-surface geologic and petrophysical model based on borehole data: A case study from Chemery, Paris Basin, France

Paola Sala, Marcel Frehner, Nicola Tisato, O. Adrian Pfiffner

AAPG Bulletin

... Paola Sala, Marcel Frehner, Nicola Tisato, O. Adrian Pfiffner 2013 1303 1324 97 8 The fact that velocity models based on seismic reflection surveys...

2013

Gas Hydrate Offshore Vancouver Island, Northern Cascadia Margin

M. Riedel, Eleanor C. Willoughby, Nigel Edwards, Roy D. Hyndman, George D. Spence, Ross Chapman, Marc-Andre Chen, Ivana Novosel, Katrin Schwalenberg

AAPG Special Volumes

..., and detection: AGU Monograph 124, p. 4165.Warner, M., 1990, Absolute reflection coefficients from deep seismic reflections: Tectonophysics, v. 173, p...

2009

VII. Quantitative Stratigraphic Correlations

Norman S. Neidell

AAPG Special Volumes

... be calibrated according to the ratio of the reflection coefficients which bracket the lithology of interest. Fig. Graph showing change in amplitude response...

1979

Seismic Detection of Gas in Cretaceous Sandstones and Fractured Sandstones

Walter E. Johnson, William T. Brown Jr., James B. Peterson

Rocky Mountain Association of Geologists

...’s ratios of rock strata on the reflection coefficients of plane waves: Geophys. Prosp., v. 3, p. 318-387. Ostrander, WJ., 1984, Plane-wave reflection...

1995

Analysis of the Elastic Impedance Inversion and Lamda Mu Rho to Identify the Distribution of Sandstone Reservoirs and Hydrocarbon Fluids in the JoggingŽ Field, Northwest Java Basin

Akbar Dwi Wahyono, Mualimin, Sudarmaji

Indonesian Petroleum Association

... coefficients: r (t ) : x(t )  r (t ) * w(t ) T1  t  T2 with t as two way travel time. Reflection coefficient in the layer-i depends on the change...

2015

A geophysical prior knowledge guided semisupervised deep learning framework for AVA inversion

Lei Zhu

International Meeting for Applied Geoscience and Energy (IMAGE)

... coefficients of these models are obtained through the Zoeppritz equations. These reflection coefficients are then convolved with the 23 Hz wavelet...

2024

Spectral and Temporal Analysis Provides Tectonic and Stratigraphic Results from North Louisiana Seismic Data

Valentin Makarov , Iosif A. Mushin , Eugeniy A. Kozlov , Chris J. Krotzer , Patricia J. Meeks , Allen Lowrie

GCAGS Transactions

... the formula for reflection coefficients. The resulting section is shown in Fig. 1 (with and without automatic gain control, AGC). Another section...

1998

ABSTRACT: 3D MODELS OF PALYNOFACIES OF COAL USING DIGITAL HOLOGRAPHY MICROSCOPY

Alejandro Restrepo, Jorge Herrera, Román Castañeda, Christopher Mann, Myung Kim

The Society for Organic Petrology (TSOP)

... Formation (Central Colombia). These samples were observed in both transmission and reflection microscopy. For the reflection observation the polynofacies...

2006

Chapter 4: Synthetic Seismograms and Their Uses

Tom Wittick

North Texas Geological Society

... shows a synthetic seismogram from Lincoln County, Colorado. On the left side are the reflection coefficients calculated from the velocity and density...

1992

Synthetic Seismograms and Their Uses

Abilene Geological Society

... seismogram from Lincoln County, Colorado. On the left side are the reflection coefficients calculated from the velocity and density logs. Note that the scale...

1993

Seismic Stratigraphic Interpretation for Thin Layers: Case Studies

Kuo-An Lin, Shi-Chi Fuh, Hsiung-Mao Chen

Geological Society of Malaysia (GSM)

... calibrated amplitude as bed thickness decreases below the tuning thickness. The concepts reviewed above assume equal top and bottom reflection...

1987

Seismic Interpretation Problems Caused by Miocene Channels in the Central Part of the Gippsland Basin

T U Maung, S J Cadman

Petroleum Exploration Society of Australia (PESA)

... in the shallow part of the Latrobe Group (Maung, 1989; Mebberson, 1989; Maung and Nicholas, 1990). Reflection coefficients of 0.4 are not uncommon...

1992

Boulder prediction for offshore windfarm site evaluation using an interactive 2D CNN and a unique weighting scheme on unmigrated seismic

Samuel Chambers, Jesse Lomask

International Meeting for Applied Geoscience and Energy (IMAGE)

... reflection coefficient. Finally, noise was added to the reflection Third International Meeting for Applied Geoscience & Energy...

2023

Application of Fourier Transform Infra-Red Spectroscopy in Determination of Reservoir Properties

John Woods

Indonesian Petroleum Association

... and accessories. For this study I have used attenuated total reflection (ATR) which involves transmitting the IR beam through a crystal that has...

2014

Poor Man's Synthetic Seismogram

Andrew Nelson

Petroleum Exploration Society of Australia (PESA)

... the constructive interference of side- and central-lobes at 60 Hz, to give the highest amplitude signa l. The reflection coefficients are plotted in the 50...

1996

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