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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 5,455 Results. Searched 200,293 documents.

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Shelfbreak Circulation, Fronts and Physical Oceanography: East and West Coast Perspectives

Leonard J. Pietrafesa

Special Publications of SEPM

... brackets the break Principal Pacific coast circulation elements include forms of continental shelf waves and thermohaline driven and mechanically wind...

1983

Improving the Convergence of Shot-Profile Migration by Plane Wave Synthesis

Chad M. Hogan

Search and Discovery.com

... Prestack depth migration is expensive for complex regions with strong lateral velocity variations. In these regions, it is desirable to use a wave...

Unknown

Improving the Convergence of Shot-Profile Migration by Plane Wave Synthesis

Chad M. Hogan

Search and Discovery.com

... Prestack depth migration is expensive for complex regions with strong lateral velocity variations. In these regions, it is desirable to use a wave...

Unknown

Resolving DAS versus geophone discrepancies using the DAS transform: A comparative study from the CaMI CCS field research station, Alberta

Ali Sayed, Robert R. Stewart, Marie Macquet, Don Lawton

International Meeting for Applied Geoscience and Energy (IMAGE)

... Strain rate, particle velocity, and particle acceleration Data processing Different sensors, such as geophones and accelerometers, can sample...

2024

Fast Gauss-Newton full-wavefield migration

Siamak Abolhassani, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

... deconvolution filters. For a layered medium with lateral velocity variations, Yu et al. (2006) constructed different deconvolution filters based on multiple v...

2022

Optimal Configuration and Information Content of Sets of Frequency Distributions

William E. Full , Robert Ehrlich, Stephen K. Kennedy

Journal of Sedimentary Research (SEPM)

... each other. The sum of either sample set will yield identical class-interval frequencies based on maximum entropy (Fig. 2, pooled). Yet in Figure 2a, all...

1984

Abstract: Case Study of the Effect of Grid-Search Objective Function in Microseismic Source Location; #90255 (2017)

Luolan Li, Yuyang Tan, Chuan He, Pan Deng

Search and Discovery.com

... and unknown location. By using the arrival times of the P- and S-waves of the microseismic event, an estimate of the source location and origin time can...

2017

Quantitative FWI characterization of reservoir properties at the CMC Newell County Facility

Qi Hu, Matthew Eaid, Scott Keating, Kristopher Innanen, Xiaohui Cai

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Imaging near-surface s-wave velocity and attenuation models by full-waveform inversion with distributed acoustic sensing-recorded surface waves...

2023

Abstract: Seismic Data Decomposition into Spectral Components Using Regularized Nonstationary Autoregression; #90187 (2014)

Sergey Fomel

Search and Discovery.com

... with the help of regularized nonstationary autoregression (RNAR). To estimate local amplitudes of different components, I fit their sum to the data...

2014

Transfer learning seismic and GPR diffraction separation with a convolutional neural network

Alexander Bauer, Jan Walda, Dirk Gajewski

International Meeting for Applied Geoscience and Energy (IMAGE)

... processing for many years. Different deterministic methods based on wavefront attributes, adaptive subtraction of reflections or plane-wave destruction have...

2022

Rhythmic Deposition on Mudflats in the Mesotidal Changjiang Estuary, China

Daidu Fan,, Congxian Li

Journal of Sedimentary Research (SEPM)

... cycle is reduced because of reworking and erosion by tidal currents and waves. Over a fortnightly period, tidal cyclicities are obscured, with ca. 80...

2002

Shape Development On Tahiti-Nui

James E. Dobkins, Jr. , Robert L. Folk

Journal of Sedimentary Research (SEPM)

... size group in each locality. End_Page 1191----------------------- FIG. 22. At Point Venus, a sandy beach with small waves; small pebbles...

1970

Quantifying the Influence of Rock Fabric, Composition, and Electrical Double Layer on the Broadband Dielectric Dispersion of Organic-rich Mudrocks

Artur Posenato Garcia, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

... for frequencies below 1 MHz. The numerically calculated dielectric permittivity of the organic-rich mudrocks increased with increase in volumetric...

2018

Facies Mapping from Three-Dimensional Seismic Data: Potential and Guidelines from a Tertiary Sandstone-Shale Sequence Model, Powderhorn Field, Calhoun County, Texas

Hongliu Zeng , Milo M. Backus , Kenneth T. Barrow , Noel Tyler

AAPG Bulletin

... then convolved with zero-phase wavelets of different frequencies to produce the seismic models. The results show how the depositional facies at reservoir...

1996

Role of Vortices in Surf Zone Prediction: Sedimentation and Wave Forces

Robert L. Miller

Special Publications of SEPM

... Eng internal velocity field in breaking 103 p Characteristics p 865 874 RC H AND SIMONS waves AND Engineers 4 1 The Dep Geophys Sci PATRICK...

1987

Effect of Artificial Sea-Grass on Wave Energy and Near-Shore Sand Transport

Christopher J. Wayne

GCAGS Transactions

..., Thallassia beds not only cause attenuation of waves but form a layer of slightly higher viscosity which slows net drift velocity of water and induces...

1974

ADMM-based full-waveform inversion of ground-penetrating radar data

A. Jalali, H. S. Aghamiry, A. Gholami

International Meeting for Applied Geoscience and Energy (IMAGE)

... knowledge of the subsurface model. The forward model that governs the GPR electromagnetic waves is the same as the one governing visco-acoustic wave...

2022

III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... compliant to compressional waves across the fractures which decreases the p-wave velocity. A single set of vertical aligned fractures is one mechanism...

2008

Muricid drilling predation at high latitudes: Insights from the southernmost Atlantic

Julieta C. Martinelli, Sandra Gordillo, Fernando Archuby

PALAIOS

... different drilling strategies on different prey, and edge drilling represented 27%–56% of the drill holes in mytilids. Drilling frequencies were...

2013

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...

Unknown

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...

Unknown

Broadband data with a new low frequency source Acquisition and processing example from the Gulf-of-Mexico

Xuefeng Shang, Maksym Kryvohuz, Hamish Macintyre, Guido Baeten, Thibaut Allemand, Philippe Herrmann, Stephane Laroche, Shuki Ronen

International Meeting for Applied Geoscience and Energy (IMAGE)

... its business value in velocity model building. In this study, we explore the viability of broadband seismic imaging with a LF source. During a recent...

2023

The Use of CSEM within an Integrated Exploration Project "Best of EAGE", #40866 (2012)

Andrea Lovatini, Elena Medina Tracy Campbell, Keith Myers

Search and Discovery.com

... geophysical methods available in its portfolio in a single project: a basin study that was not simply the sum of the different data types, but the result...

2012

The Effects of Porestructure on Sonic Velocity in Carbonates: Examples from Gunung Rapat Limestone, Ipoh

Muhammad Hafiz Izuddin, Chow Weng Sum, Mohd Shafeea Leman, Khor Wei Chung

Geological Society of Malaysia (GSM)

...The Effects of Porestructure on Sonic Velocity in Carbonates: Examples from Gunung Rapat Limestone, Ipoh Muhammad Hafiz Izuddin, Chow Weng Sum, Mohd...

2016

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