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The AAPG/Datapages Combined Publications Database

Showing 20,858 Results. Searched 200,616 documents.

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Critical Grain-Size Parameters for Predicting Framework and “Floating” Grains in Sediments

Steven L. Bryant, Chris Lerch, Michael E. Glinsky

Journal of Sedimentary Research (SEPM)

... observations of anomalously slow P-wave velocities in several poorly consolidated to semiconsolidated reservoirs. The grain-size distributions...

2009

Derivation of Seismic Depth Sections

H. Buchholtz, W. Houba

Geological Society of Malaysia (GSM)

... for the wave equation migration of seismic data leading to more reliable depth sections. The effectiveness of the method is illustrated by a sequence...

1987

The Combined Effects of Wave Motion and Tidal Currents on the Morphology of Intertidal Ripple Marks: The Wash, U.K.

C. L. Amos , M. B. Collins

Journal of Sedimentary Research (SEPM)

... In order to simplify the analysis, the mean values of A/T, derived in Equation 2, were calculated for each wave type (see Fig. 4). The mean A/T value...

1978

Ichnology of Storm-Influenced Shallow Marine Sequence: Cardium Formation (Upper Cretaceous) at Seebe, Alberta

S. G. Pemberton, R. W. Frey

CSPG Special Publications

...-transported sandstones and conglomerates in shallow marine depositional environments below fair-weather wave base. Canadian Journal of Earth Sciences, v. 18...

1984

Intertidal Sedimentary Structures on Macrotidal Beaches

Nathan Hawley

Journal of Sedimentary Research (SEPM)

... the southeast which severely affected Oxwich beach, and the storm of the year, which lasted three days (April 1-April 3). Since wave energy, E (see equation...

1982

A Critical Review of Data Quality and Content Applied to FWS and Similar Tools

M. Wiltshire

Petroleum Exploration Society of Australia (PESA)

... Since the shale bulk density can be computed via equation (1), seismic wave velocities in normally pressured isotropic matrix can now be estimated: (4...

2004

The propagator and transfer matrix for a 3D inhomogeneous dissipative acoustic medium, expressed in Marchenko focusing functions

Kees Wapenaar, Sjoerd de Ridder, Marcin Dukalski, Christian Reinicke

International Meeting for Applied Geoscience and Energy (IMAGE)

... point is the following matrix-vector wave equation in the space-frequency (x, ω) domain ∂3 q = A q + d, (1) where q(x, ω) is a wave-field vector, A(x...

2022

ABSTRACT: Reverse Time Migration Using CRS Shot Gathers

Alfredo Caballero, Rodolfo Ballesteros, Eliakim Schuenemann, Ekkehard Tessmer, Humberto Salazar

GCAGS Transactions

... the quality of shot based depth migration algorithms like one-way wave equation and reverse time migration (RTM). These state-of-the-art migration techniques...

2011

Abstract: Inverse Problem Theory: An Application to Stratigraphic Inversion

Emmanuelle Becker

Geological Society of Malaysia (GSM)

... problem may be computed by solving the elastic wave equation, but it is a very computer intensive process. Modern procesSing methods can include various...

1991

Seismic Inversion by Modeling: ABSTRACT

D. B. Hays, A. D. McAulay, R. N. Shurtleff

AAPG Bulletin

... or solid earth models, and to shot record or CDP stacked data. The synthetic response computed in the inversion process is a rigorous solution of the wave...

1981

A Seismic Stratigraphy Case History in Northeast Mexico: ABSTRACT

Ruben D. Martinez, Jorge Stanford B.

AAPG Bulletin

... section, seismic anomalies such as bright spots and flat spots were identified. Following this, the data were processed through a rigorous wave...

1982

ABSTRACT: USING HARMONIC HYDRAULIC TESTS TO ESTIMATE FRACTURED BEDROCK PROPERTIES AND PREDICT LOCAL HETEROGENEITY; #90114 (2010)

Eric J. Guiltinan and Matthew Becker

Search and Discovery.com

... creating a sinusoidal pressure wave in one well and observing the phase shift and attenuation of the signal in another well. These tests have been...

2010

Abstract: Computing Gridded Traveltimes from the Random Locations of Three Known Points; #90211 (2015)

John Bancroft and Xiang Du

Search and Discovery.com

... the traveltime as an expanding wavefront using an Eikonal equation approach. They may also be computed from raypaths that spr ead across the grid...

2015

Abstract: Prestack Gaussian-Beam Depth Migration in Anisotropic Media; #90211 (2015)

Tianfei Zhu, Sam Gray, and Daoliu Wang

Search and Discovery.com

... to Kirchhoff and wave-equation (WE) migrations: It overcomes the inability of Kirchhoff migration in imaging multiple arrivals while retaining its...

2015

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