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The AAPG/Datapages Combined Publications Database

Showing 464 Results. Searched 189,494 documents.

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Abstract: Static Corrections Via Raypath Interferometry: Recent Field Experience; #90224 (2015)

David C. Henley

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... conventional statics correction methods, is a set of NMO-corrected source or receiver gathers. Each gather is transformed to the radial trace (RT) domain...


Abstract: Relaxing the Near-Surface assumption in Estimating 3C Receiver Orientations: Azimuth-Stack Power Optimization of Reflected PS Data; #90187 (2014)

Nirupama (Pam) Nagarajappa, Peter Cary, and Chuck Ursenbach

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... by assuming a homogeneous, isotropic near-surface earth model and derive an orientation using P-wave first arrival amplitudes on the horizontal components...


Abstract: Increasing Seismic Resolution by Decreasing Receiver Spacing; #90171 (2013)

David C. Henley, Kevin W. Hall, Malcolm Bertram, and Eric Gallant

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... to attenuate the source-generated noise. We expect significant contribution to the earth spectrum in this frequency range, however, so one objective of our...


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

... a model of the subsurface speed of the earth obtained from the first break picking process and the Kirchhoff migration to move the reflector point to its...


Recent Advances in Borehole Seismic

W. L. Nutt

Indonesian Petroleum Association

... - The Use of Vertical Seismic Profiles in Seismic Investigations of the Earth. Geophysics 47, 906-918. Gal'Perin, E. I., 1974 - Vertical seismic Profiling...


Abstract: SS-wave Reflections from P-wave Sources in Azimuthally Anisotropic Media; #90187 (2014)

James Gaiser and Richard Verm

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... of the earth, not the source that generates fast and slow S-waves. Given the drawbacks mentioned above, one benefit could be for shallow S-wave...


Chapter Ten-part 2: Depth Conversion

Leslie R. Denham, Dave K. Agarwal

AAPG Special Volumes

... survey does, and usually more accurately. Seismic data themselves provide velocity information through measurement of normal moveout (NMO). If a seismic...


Fundamental 3-D Seismic Survey Design

Stuart Wright

Rocky Mountain Association of Geologists

... of the earth’s subsurface. This subsurface image is enhanced by acquiring and migrating a volume of data instead of individual 2-D profiles. When properly...


A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods

Kriyanti Setiyono, Ken H. Matson

Indonesian Petroleum Association

..., 57-59. Weglein, A.B., 1999. How can the inverse-scattering method really predict and subtract all multiples from a multidimensional earth...


G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset

Norman S. Neidell

AAPG Special Volumes

... Seismogram in a Solid Layered Earth," Preprint, 52nd Annual Mtg., SEG, Dallas, Oct. 17-21, 1982. (16) Ostrander (W.J.), "Plane Wave Reflection...


Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 7: Shallow 3-D Seismic and a 3-D Borehole Profile at Ekofisk Field

John A. Dangerfield

AAPG Special Volumes

... was about 45° so the geophone array spanned about 80 m horizontally. The 41 walkaway lines were shot in a regular grid (Figure 14-7-2) with the geophone...


Section 3: Displays of Seismic Sections: Forearc Margin, Central Aleutian Ridge

David W. Scholl, Jill McCarthy, and Holly Ryan

AAPG Special Volumes

... University. This work consisted of demultiplexing, sorting, trace editing, velocity analysis, NMO correction, bandpass filtering, 24-fold common depth...


High-EffortŽ Seismic Acquisition: Improving Image Detail; #41568 (2015)

David C. Henley, Kevin Hall, Henry Bland, Eric Gallant, Gary Margrave, Malcolm Bertram

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... provided by horizontally summed geophone arrays whose antenna pattern preferentially admits vertically travelling reflection wavefronts, rather than non...


ABSTRACT: North Sumatra Basin Organic Content Estimation Using Anisotropic Rock Physics Modeling Based On Core, Log And Seismic Data

R. Ryacudu, T. S. Priantono, P. M. O. Iriana, G. W. Purnama, D. Risdianto

The Society for Organic Petrology (TSOP)

...   seismic   gather,   whereby   the   isotropic  normal  moveout  (NMO)  reveals  the  phenomenon  called  the  hockey...


Abstract: Ground Roll Noise Attenuation Using the Analytical Mode Decomposition; #90255 (2017)

Ahmed Zegadi, Khalil Kheir-eddine, Leila Naili Douaouda

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... for data where coherent events can be aligned laterally as NMO (normal move out) corrected CMP (common-midpoint) gathers. This new filtering approach...


Abstract: Dip-Dependent Corrections for Data Reconstruction in True-Azimuth 3D Srme (Geophysics Paper 18)

Peter Aaron, Roald van Borselen, Rob Hegge, Simon Barnes, Maz Farouki

Geological Society of Malaysia (GSM)

... conventional differential NMO reconstruction, with no additional corrections. Results show that the new method is capable of correcting for primaries...


ABSTRACT: The Impact of Post Migration Data Conditioning on Seismic Images and Attributes; #90115 (2010)

Adekanle Ayorinde, Youn Oong, and Iyiola Sunkanmi

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... are residual multiples, high frequency random noise, coherent linear dipping noise, and residual Normal Moveout (NMO) and low frequency NMO stretch...


Fullband imaging

Zhengmin Zhang, Jiwei Jia, Geping Fu, Hao Zhang, David Chow, Barry Hung, Ian Anstey, Wai Leong Lai

Petroleum Exploration Society of Australia (PESA)

... of ghost and the absorption effect of an anelastic earth. The ghost effect is the result of reflections from the surface of the ocean. These reflections...


Evaluation of Seismic Exploration in Sub-Volcanic Reservoir Area by Synthetic Seismic Modeling

Yulia Nur Fajrina, Muhammad Ghazalli

Indonesian Petroleum Association

... and lithology of region. The real earth actually is very complex and several assumptions and simplification have to be done to make a geological model...


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