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The AAPG/Datapages Combined Publications Database
Showing 16,595 Results. Searched 195,689 documents.
Abstract: Angle-Dependent Full Waveform Inversion; #90319 (2018)
Woodon Jeong, Constantinos Tsingas, Young Seo Kim
Search and Discovery.com
... to the gradient direction computation during FWI. Using only large reflection angles, a long wavelength gradient direction is estimated which provides...
2018
Seismic Stratigraphic Model of Depositional Platform Margin, Eastern Anadarko Basin, Oklahoma
William E. Galloway , Marshall S. Yancey , Arthur P. Whipple
AAPG Bulletin
... in the basin (Fig. 3). In addition to the conventional electric-log net, a grid of 12 intersecting common-depth-point (CDP) seismic lines overlies...
1977
Evidence for Low Free Gas Saturations in Water-Bearing Bright Spot Sands
H. J. Ritch, J. T. Smith
Pacific Section of AAPG
... that predicted assuming a homogenous gas distribution. With an even gas distribution, or measurement of velocity using a much lower frequency, we...
1976
Model-Based, 2-D Seismic Definition of Subthrust Structure in the Uranium Peak Area, Northwest Colorado
George C. Robertson, Dirk W. McDermott, Rex L. Tang
Rocky Mountain Association of Geologists
... area. Iterative velocity models were constructed to approximate the geologic structure prior to drilling, and were used to control velocity...
1995
Integrated Quantitative Analysis of Deep Reflection Seismic and Gravity Anomaly Data: Application to Eastern Gulf of Mexico OCT Structure and Location
Search and Discovery.com
N/A
Techniques for Automated Measurement of Floc Properties
Gwyn Lintern, Gilliane Sills
Journal of Sedimentary Research (SEPM)
... to the top of the column using a computerized sedimentation system (Fig. 1). A glass viewing port for video analysis has been placed at a height of 30 cm...
2006
Pore Pressure and Elastic Moduli Estimation Considerations for a Simplified Geomechanical Model for Unconventional Plays. A case study in the Vaca Muerta Formation
Sergio Cuervo, Ezequiel Lombardo
Unconventional Resources Technology Conference (URTEC)
.... Guzmán et al (2007) in a regional study using borehole breakout analysis estimate a maximum horizontal stress direction of 88.7º (almost west-east...
2017
Bed Configurations in Steady Unidirectional Water Flows. Part 1. Scale Model Study Using Fine Sands
Lawrence A. Boguchwal , John B. Southard
Journal of Sedimentary Research (SEPM)
...Bed Configurations in Steady Unidirectional Water Flows. Part 1. Scale Model Study Using Fine Sands Lawrence A. Boguchwal , John B. Southard 1990 Vol...
1990
Deltaic Depositional Processes in a Glacier-Fed Lake: A Model for the Fluvial/Lacustrine Interface
Jim Bogen
Special Publications of SEPM
.... 1 .-Definition sketch of depositional model. tXL that a velocity V = V(X,Y) may be assigned to each point in the basin. In symmetrical simple...
1987
-- no title --
user
Search and Discovery.com
... pattern measured in carbonate rocks outcropping in southern Moose Mountain. Refraction velocity analysis revealed the existence of azimuthal anisotropy...
2013
Deep-Sea Bottom-Currents Differentiated from Texture of Underlying Sediment
Christopher R. Blaeser, Michael T. Ledbetter
Journal of Sedimentary Research (SEPM)
... each water-mass. Using statistical and graphical methods it was found that sediment beneath the high-velocity Antarctic Bottom Water in the bottom...
1982
Bottom Boundary Layer Parameters and Sediment Transport on the Louisiana Inner-Shelf During Cold Front Passages
David A. Pepper , Gregory W. Stone , and Ping Wang
GCAGS Transactions
... using a qualitative approach in which frontal passages were identified and subdivided into stages on the basis of changes in wind velocity. We...
1999
Crooks Gap Field: Problems with 3-D Interpretation (Extended Abstract)
Robert E. Wellborn, Mike Peffer
Wyoming Geological Association
... statics reapplied 3D DMO DMO velocity analysis CDP statics Stack 1 pass 3D migration (Phase Shift) using 100% velocities Time domain...
2000
Unsupervised Machine Learning as a Velocity Picking Assistant
Charles Ursenbach, Hassan Odhwani
International Meeting for Applied Geoscience and Energy (IMAGE)
... to use a finer velocity grid for calculation of the 2D anisotropic semblance panel at each control point. Groups were formed using the same four step...
2023
ABSTRACT: COMPARING BASIN MODELING TO VELOCITY MODELING FOR PREDICTING PRESSURES IN DEEP COLUMBUS BASIN, TRINIDAD,W.I.
K.M. Kumar and A.R. Vittachi
Geological Society of Trinidad & Tobago
.... Seismic velocity based analysis, though commonly used and known as a more precise approach, has considerable pit-falls when imaging deep areas...
2007
Hydraulic Interpretation of Grain-size Distributions Using a Physical Model for Bedload Transport
J. S. Bridge
Journal of Sedimentary Research (SEPM)
... point on the bed. Cumulative grain-size curves have been simulated using the model in order to demonstrate the effects of the various model...
1981
ABSTRACT: Geologically Driven Pore Pressure Prediction from Seismic Velocity Data - Theory
Search and Discovery.com
N/A
Abstract: Navigating through the Red Sea Subsalt Structures: A Look-Ahead VSP Case Study from Saudi Arabia; #90319 (2018)
Ali A. Aldawood, Carlos Planchart
Search and Discovery.com
...¹ ¹Saudi Aramco, Dhahran, Saudi Arabia. ABSTRACT Obtaining an accurate migration velocity model is an ongoing challenge in seismic exploration. Using...
2018
Classification of Excavated Material Based on Simple Laboratory Testings
Mohd For bin Mohd Amin
Geological Society of Malaysia (GSM)
... of excavation. The tests comprise of physical property test, Schmidt rebound hammer test, sonic velocity test and point-load test. The engineering...
1995
Reducing Sand Sample Volumes by Spooning: RESEARCH-METHOD PAPER
Robert E. Carver
Journal of Sedimentary Research (SEPM)
... approximately 20 g subsamples (from 1 to 2 kg sand samples) for settling velocity analysis in a modified (Benthos) Woods Hole Rapid Sediment Analyzer...
1981
Fluorescent Tracer Study of Eolian Sand Transport: ABSTRACT
James C. Ingle, Jr.
AAPG Bulletin
... primarily by grain diameter and wind velocity. Analysis of tracer distribution revealed that fluorescent sand entered and left the sample grid...
1965
Abstract: Case Study of Advanced Seismic Imaging to Illuminate Low Reflectivity Carbonate Reservoirs in Offshore Abu Dhabi, UAE; #91204 (2023)
Mohamed Mahgoub, Khalid Obaid, Oleg Khakimov, Saif Al Mesaabi
Search and Discovery.com
... sensitive to velocity changes than seismic amplitudes. Analysis of post-stack inversions of velocity scans provided optimal velocities in that interval. Q...
2023
Insights into Basin Formation and Lithosperic Structure of the Barents Sea; #30093 (2009)
L. Marello, J. Ebbing, O. Ritzmann
Search and Discovery.com
... is available from the seismic velocity models BARENTS50. In a first step, we analyse the relation of the wavelength content in the potential fields...
2009
Dynamics of Bedforms in the Lower Mississippi River
David J. Harbor
Journal of Sedimentary Research (SEPM)
... and shape were determined by the rate of sediment deposition and only secondarily by flow velocity. A century of research largely using experimental...
1998
Pre-Migration Receiver Deghosting and Amplitude Fidelity: A Case Study From NWS Australia
Search and Discovery.com
N/A