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The AAPG/Datapages Combined Publications Database

Showing 1,097 Results. Searched 200,357 documents.

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Ascending

Regional geologic and tectonic setting of the Maracaibo supergiant basin, western Venezuela

Paul Mann, Alejandro Escalona, Mara Vernica Castillo

AAPG Bulletin

.... 3163.Castillo, M., 1995, Procedencia de las rocas clasticas del Eoceno superior en el sector oriental de la Cuenda de Maracaibo y su relacin con la...

2006

New tools for seismic stratigraphic interpretation: Stratal convergence and instantaneous isochron attribute cubes derived from volumetric flattening of experimental strata

Jesse Lomask, Jason M. Francis, James Rickett, Marc L. Buursink, Thomas P. Gerber, Martin Perlmutter, Chris Paola

AAPG Bulletin

... was created from a series of closely spaced images. Depth was converted to traveltime using a constant velocity, and gray-scale intensities (because...

2009

Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)

Tianfei Zhu

Search and Discovery.com

...-beam method for shot-domain prestack depth migration. The method is flexible with input geometry and accurate in imaging multipathing arrivals...

2014

Abstract: Inverse Scattering Series Internal Multiple Attenuation: A Western Canada Case Study; #90224 (2015)

Frederico Xavier de Melo, Murad Idris, Jason Gardner, Jill Woods

Search and Discovery.com

... such as known velocity field and generating horizons. Adaptive subtraction is employed to match the predicted model with the internal multiples present...

2015

Mozambique Upper Fan: Origin of Depositional Units

L. Droz, D. Mougenot

AAPG Bulletin

... down-stream region, with a north-south channel flanked by thick (1.5 sec two-way traveltime) asymmetric levees, and a migrating upstream region where...

1987

Guizhou modern karsts as analogues for paleokarst reservoirs in the Shunbei oil field, Tarim Basin, China

Jingbin Wang, Dongya Zhu, Zhiliang He, Haiming Song, Quanyou Liu, Cheng Zeng, Tianbo Yang, and Qian Ding

AAPG Bulletin

... systems (red lines) and the location of drilling wells in the Yuejin-Shunbei area. (D) Two-way traveltime (ms) map on the stratigraphic boundary between...

2024

Structural Controls on the Formation of Bottom-simulating Reflectors Offshore Southwestern Taiwan from a Dense Seismic Reflection Survey

Philippe Schnurle, Char-Shine Liu

AAPG Special Volumes

... and the time-to-depth conversions performed in our study are based on a unique velocity versus subbottom-depth function derived from a data set...

2009

Insights on time-lapse changes from 4D joint full-waveform inversion in Mississippi Canyon, Gulf of Mexico

Markus Albertz, Vincent Durussel, Tianjiang Li, Gaurav Dutta, Xin Cheng, Oscar Perez, Markos Sourial, Aurora Rodriguez Castelan

International Meeting for Applied Geoscience and Energy (IMAGE)

...) - (c) Figure 2: (a), (b) The inverted 4D velocity changes at different areas of interest, and (c) a corresponding depth slice. + - + (a) - + (b...

2024

A cross-shape deep Boltzmann machine for petrophysical seismic inversion

Son Dang Phan and Mrinal K. Sen

AAPG Bulletin

... traveltime. Figure 11. The predicted shale volumetric (Vshale) section from a trained cross-shape deep Boltzmann machine network. CDP = common depth point...

2022

Hydrocarbon plumbing systems of salt minibasins offshore Angola revealed by three-dimensional seismic analysis

Katrine J. Andresen, Mads Huuse, Niels H. Schodt, Lene F. Clausen, Lars Seidler

AAPG Bulletin

.... 16371648, doi:10.1190/1.1441571. Pilcher, R., and J. Argent, 2007, Mega-pockmarks and linear pockmark trains on the west African continental margin...

2011

P- and PS-Wave Vector Wavefields for Anisotropic Petrophysics

James Gaiser

Petroleum Exploration Society of Australia (PESA)

... on the assumption that symmetry plane orientation does not change with depth. Figure 1: Average velocity ratio analysis between the fast PS1 and slow PS2 reflection...

2016

Effective Delivery of Reservoir Compliant Seismic Data Processing; #42158 (2017)

Arash JafarGandomi, Henning Hoeber, Celine Lacombe, Vimol Souvannavong

Search and Discovery.com

... recorded traveltime to depth. Huang et al. (2014) list other potential issues in creating a reliable and geologically meaningful image: (a) under-sampled...

2017

Monitoring Sea-floor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico

Erika Geresi, Ross Chapman, Tom McGee, Bob Woolsey

AAPG Special Volumes

.... The compressional (P)-wave velocity is expected to increase with depth to the estimated base of the gas-hydrate stability zone (BGHS) (approximately...

2009

1.5 Crustal Sections: A Wide Angle Seismic Profile

V. J. Hughes, R. S. White, E. J. W. Jones, D. H. Matthews, J. A. Brewer, and D. K. Smythe

AAPG Special Volumes

... seismic velocity versus depth profile can be determined beneath the fixed midpoint. The high density of receivers compared to conventional refraction...

1983

Abstract: An Azimuthal-AVO-Compliant 3D Land Seismic Processing Flow; #90171 (2013)

David Gray, Darren Schmidt, Nirupama Nagarajappa, Charles Ursenbach, and Jon Downton

Search and Discovery.com

... to be incorporated, which improve the azimuthal AVO result and make it easier to do. These are: 1. Azimuthal velocity corrections (e.g. Jenner et al...

2013

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

... are drilled below the low velocity zone (average depth of 50 m); this prevents generation of surface waves which have an effect on the summation...

1961

Forward Modeling of Seismic Data: Part 7. Geophysical Methods

George Mellman, Paul A. Kunzinger

AAPG Special Volumes

..., two, or three dimensional and consist of depth horizons and associated P wave velocities, S wave velocities, and densities The most common use...

1992

Production Logging: Part 9. Production Engineering Methods

James J. Smolen

AAPG Special Volumes

... be encountered, are evaluated using flowmeters with fluid identification devices. The most effective technique with radioactive tracers is the velocity shot...

1992

Multi-information intelligent decision process for first-break picking

Fei Luo, Lanlan Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

...-to-noise ratio within a shot gather. The recognition and traveltime detection of the first-arrival wave play a crucial role in estimating velocity...

2024

A Method for Lithogenetic Subdivision of Pannonian (s. l.) Sedimentary Rocks: Chapter 8

A. Szalay, K. Szentgyorgyi

AAPG Special Volumes

... drawing (c) (opposite, bottom) shows an interpretation of parts A and B. Depth was converted to two-way traveltime using the velocity-depth functions...

1988

Karst topography paces the deposition of lower Permian, organic-rich, marine–continental transitional shales in the southeastern Ordos Basin, northwestern China

Xi Zhang, Xiaoming Zhao, Jiawang Ge, Shuxin Li, and Tingshan Zhang

AAPG Bulletin

..., V/Cr, and V/(V+Ni) ratios exhibit a linear relationship with geomorphic unit types. The karst microbasins had a weakly oxic environment, which widely...

2024

The emergence and impact of scientific machine learning in geophysical exploration

Umair bin Waheed

International Meeting for Applied Geoscience and Energy (IMAGE)

... and predict complex fluid flows with greater accuracy and computational efficiency (Cai et al., 2021). Given the highly dynamic and often non-linear nature...

2023

The Role of Fault Interaction and Linkage in Controlling Synrift Stratigraphic Sequences: Late Jurassic, Statfjord East Area, Northern North Sea

Nancye H. Dawers and John R. Underhill

AAPG Bulletin

... has not been depth converted. Although velocity variations in detail may affect the patterns observed in synrift thickness and fault throw, well...

2000

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