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The AAPG/Datapages Combined Publications Database

Showing 5,360 Results. Searched 187,807 documents.

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Abstracts: Application of CSP Gather Modeling for Determination of Velocity Smoothing Operator for Prestack Kirchhoff Depth Migration; #90173 (2015)

Hassan Khaniani and John C. Bancroft

Search and Discovery.com

... The relationship between reflection and diffraction traveltime surfaces in the shot records is that the response of the scatter points (diffraction curves...

2015

Stop Treating Diffractions as Noise … Use them for Imaging of Fractures and Karst; #120057 (2012)

Mark Grasmueck, Tijmen Jan Moser, and Michael A. Pelissier

Search and Discovery.com

... of the few diffraction friendly processes is 3D migration: Energy is summed along diffraction traveltime curves. Such a new seismic imaging approach...

2012

Seismic diffraction imaging for improved coal structure detection in complex geological environments

Binzhong Zhou, Weijia Sun

Petroleum Exploration Society of Australia (PESA)

...-offset traveltime based diffraction enhancement and imaging: Geophysical Prospecting, 61, 1178–1193. Alonaizi, F, R. Pevzner, A. Bóna, and M. Alshamry...

2018

An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement

Andy Furniss

Petroleum Exploration Society of Australia (PESA)

... traveltime curves, whereas stacking velocity inversion conelates the modelled raypath with a hyperbolic traveltime curve implied by the stacking velocity...

1999

An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement

Andy Furniss

Indonesian Petroleum Association

... inversion uses actual pre-stack CMP gathers in the time domain to correlate with the modelled traveltime curves whereas stacking velocity inversion...

2000

Use of the Regulated Directional Reception Method in Exploration for Reefs in Bashkiria

Yu. N. Voskresenskiy, Ya. I. Shul’ts

Petroleum Geology: A Digest of Russian Literature

... of the section by summation without construction of traveltime curves has been put into practice. The possibility and necessity of such constructions where...

1961

Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

... based on the sum of diffraction curves which in principle is the same as diffraction addition migration. However, in Kirchoff's migration...

2019

Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps

John C. Bancroft

Search and Discovery.com

...Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps John C. Bancroft Traveltime...

Unknown

Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps

John C. Bancroft

Search and Discovery.com

...Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps John C. Bancroft Traveltime...

Unknown

Estimating Thermal Conductivity in Sedimentary Basins Using Lithologic Data and Geophysical Well Logs (1)

FREDERIC BRIGAUD , DAVID S. CHAPMAN , and SYLVIE LE DOUARAN

AAPG Bulletin

... parameters (gamma ray, neutron porosity index, sonic traveltime, and bulk density) calibrated by rock samples from gas wells in the Paris basin...

1990

Abstract: Imaging Scattered Seismic Energy in Alberta Oil Sands; #90187 (2014)

Andrew V. Barrett

Search and Discovery.com

... a constant traveltime difference between the specular reflection traveltime and the computed traveltime from the recorded trace to the image trace...

2014

Abstract: Using-MultiFocusing 3D Diffraction Imaging to Predict Fracture Corridors/swarms in the Bazhenov Formation; #90187 (2014)

Marianne Rauch-Davies, Alex Berkovitch, Danil Pelman, and Kostya Deev

Search and Discovery.com

...Abstract: Using-MultiFocusing 3D Diffraction Imaging to Predict Fracture Corridors/swarms in the Bazhenov Formation; #90187 (2014) Marianne Rauch...

2014

Analysis of Interlayer Mixtures of Three Clay Mineral Types by X-ray Diffraction

Edward C. Jonas, Thomas E. Brown

Journal of Sedimentary Research (SEPM)

...------------------------- FIG. 1: d, e, f. Curves of the Brown and MacEwan function plotted against apparent X-ray diffraction spacing, d, for interlayer mixtures of: d: 10...

1959

Quantitative Mineralogical Analysis of Carbonate Sediments: Comparison of X-ray Diffraction and Electron Probe Microanalyzer Methods: NOTES

Jon N. Weber

Journal of Sedimentary Research (SEPM)

... separation of the curves responsible for the bimodal diffraction maximum. This method provides HMC to LMC ratios much greater than those reported...

1968

High Resolution Diffraction Imaging of Small Scale Fractures in Shale and Carbonate Reservoirs

Alexander M. Popovici, Ioan Sturzu, Tijmen J. Moser

Unconventional Resources Technology Conference (URTEC)

... in the velocity model, and stored on disk as traveltime tables for subsequent use in forming the image. Kirchhoff Diffraction Imaging The idea behind...

2015

Structure of the Chokrak Sediments of the Inchkhe-More Oil Area

M. B. Kheirov, N. Yu. Khalilov

Petroleum Geology: A Digest of Russian Literature

... (002) = 3.56-3.57A are well defined and symmetrical; this indicates a high degree of crystallinity. See Figs. 1 and 2. Figure 1. Diffraction curves...

1977

Multifocusing 3-D Diffraction Imaging for Dectection of Fractured Zones in Mudstone Reservoirs

Alana Schoepp, Evgeny Landa, Stephane Labonte

Unconventional Resources Technology Conference (URTEC)

... Multifocusing Method which consists of an optimal summation of seismic data along in diffraction traveltime trajectories (Berkovitch et al., 2009...

2014

Rapid Determination of Calcite-Dolomite Ratios in Sedimentary Rocks: NOTES

J. N. Weber, F. G. Smith

Journal of Sedimentary Research (SEPM)

... of diffraction of standard samples are determined either by summation of gamma counts over the angular extent of the curves, with a correction...

1961

Error in X-Ray Diffraction Estimates of Dolomite in Carbonate Rocks--Causes and Cures: ABSTRACT

David N. Lumsden

AAPG Bulletin

...Error in X-Ray Diffraction Estimates of Dolomite in Carbonate Rocks--Causes and Cures: ABSTRACT David N. Lumsden 1979 488 488 63 3. (March) Three...

1979

Unconventional Reservoir Characterization Using Azimuthal Seismic Diffraction Imaging

Dmitrii Merzlikin, Sergey Fomel, Xinming Wu, Mason Phillips

Unconventional Resources Technology Conference (URTEC)

... be classified based on the underlying technique: 1) optimal stacking of diffracted energy along diffraction travel-time curves (Kanasewich and Phadke...

2017

Correlation of Wireline Logs with a Shaly Sandstone Sequence, Red Fork Sandstone, Payne County, Oklahoma: ABSTRACT

Michael D. Kuykendall

AAPG Bulletin

..., and X-ray diffraction explained peculiarities in the gamma-ray and spontaneous-potential curves, and contributed to explanation of uncommonly low...

1983

Multiple Diffractions

Search and Discovery.com

N/A

Shallow Structure, Stratigraphy, and Carbonate Sedimentary Processes of West Florida Upper Continental Slope

Larry J. Doyle , Charles W. Holmes

AAPG Bulletin

... revealed a Pleistocene sequence of up to 160-msec two-way traveltime, overlying a second, probably Miocene, strong reflector. South of 27°20^primeN...

1985

Abstract: Multifocusing 3D Diffraction Imaging for Dectection of Fractured Zones in Mudstone Reservoirs; #90224 (2015)

Alana Schoepp, Evgeny Landa, Stephane Labonte

Search and Discovery.com

... in diffraction traveltime trajectories (Berkovitch et al., 2009). The presented case study shows that diffraction imaging offers a new perspective...

2015

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