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The AAPG/Datapages Combined Publications Database
Showing 5,455 Results. Searched 200,293 documents.
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
Abstract: Methods of Reservoir Identification for Iso-Velocity Sand-Mud Strata, by Pu, Renhai; #90163 (2013)
Search and Discovery.com
2013
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