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The AAPG/Datapages Combined Publications Database
Showing 20,882 Results. Searched 201,044 documents.
Sedimenit Gravity Flows
Gerard Middleton, John B. Southard
Special Publications of SEPM
... of Equation (8.1). The mean flow velocity and the energy slope remained essentially unchanged over the test section. At this point one would have expected...
1984
Palaeohydraulic Interpretation Using Mathematical Models of Contemporary Flow and Sedimentation in Meandering Channels
John S. Bridge
Dallas Geological Society
... is given as The system of orthogonal, curvilinear coordinates used in equation (1) is shown in Fig. 1: y is local flow depth; yc is centreline depth...
1977
Palaeohydraulic Interpretation Using Mathematical Models of Contemporary Flow and Sedimentation in Meandering Channels
John S. Bridge
CSPG Special Publications
... is given as The system of orthogonal, curvilinear coordinates used in equation (1) is shown in Fig. 1: y is local flow depth; yc is centreline depth...
1977
Rapid Simulation of Unconventional Reservoirs Using Multi-Domain Multi-Resolution Discretization Based on the Diffusive Time of Flight
Hongquan Chen, Kazuyuki Terada, Ao Li, Akhil Datta-Gupta
Unconventional Resources Technology Conference (URTEC)
.... 2021b; Sen et al. 2022a). Using the time of flight (TOF) along streamlines as 1-D spatial coordinate, the original 3-D governing equation can...
2022
The Study on 3D Geomechanical Modeling Improves Horizontal Well Drilling Performance in Tight Oil Reservoir
Yong Wang, Haijun Luan, Chuanyi Tang, Dong Zhao, Wei Zhou, Dan Zhou, Liming Lian, Lei Zeng, Bo Yu, Bo Dong, Xiao Yang
Unconventional Resources Technology Conference (URTEC)
... are measured. Then, according to the differential equation, geometric equation and acoustic wave equation of elastic mechanics, the relationship between...
2021
SoundBal: Two-Phase Production Logging by Integrating Mass Balance and DAS-Based Speed of Sound
Peyman Moradi
Unconventional Resources Technology Conference (URTEC)
... tapering-based suite of signal processing methods for wave speed estimation (Fig.2). In its initial layer, SoundMap employs tapering techniques based...
2025
Dynamic Diversion: Influence of Longshore Current-Tidal Flow Interaction on Chenier and Barrier Island Plains
Thomas W. Todd
Journal of Sedimentary Research (SEPM)
... sediment loads halt rapid progradation and induce reworking of previously accumulated sediment. Thus no change in general wave regime is required to account...
1968
Brittleness modeling selects optimum stimulation zone in shaly source rocks in the Whangai Formation, New Zealand
Claudio Rabe, Raul Correa Rechden Filho, Jesus Pastor Salazar, Fernando Della Pasqua, Giovanni Chaves Stael, and Luiz Antonio Pierantoni Gamboa
AAPG Bulletin
... at these shallow depths. We therefore use the correlations of Gardner et al. (1974). Gardner’s equation is an empirical equation that relates P-wave...
2021
Nearshore Morphology and Sediment Characteristics Along Ward Island, Corpus Christi, Texas
Deidre D. Williams , Nicholas C. Kraus
GCAGS Transactions
...-Arnott, 1987, Nearshore bar formation by non-linear wave processes--a comparison of model results and field data: Marine Geology, v. 77, p. 287-304...
1998
Codes and Ciphers: Decoding Natures Disorder: PART I
Dirk-Jan Van Manen, Johan O. A. Robertsson, Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... in bits per second per Hertz of bandwidth available for transmission (Shannon, 1948; Simon, 2001). Note that Shannon’s equation is a statement about...
2016
A Seismic Rock Properties Study of a Mesozoic Reservoir in Indonesia
Andi Alamsyah, Lantu, Sabrianto Aswad, Andi Darmawansyah
Indonesian Petroleum Association
...). Biot and Gassmann (1941.1951, op. cit. Krief. et.al, 1990) developed a more correct theory of wave propagation in fluid saturated rocks, especially...
2013
Simulation of Integrated Surface-Water/Groundwater Flow for a Freshwater Wetland in Selangor State, Malaysia
Bahaa-eldin E. A. Rahim, Ismail Yusoff, Azmi M. Jafri, Zainudin Othman
Geological Society of Malaysia (GSM)
... The 1-D and 2-D diffusive wave Saint Venant equations describe channel and overland flow, respectively. The Kristensen and Jensen methods (Kristensen...
2009
A Risk-Reduction Recipe Using Frequency-Based Pore Pressure Predictions from Seismic
Roger A. Young, Robert D. LoPiccolo
GCAGS Transactions
... on the rigidity of rocks: Journal of Geology, v. 46, pp. 59-87 and 113-141. Eaton, B. A., 1975, The Equation for Geopressure Prediction from Well Logs: Annual...
2005
Supercritical Flow in Density Currents: A Discussion
Paul D. Komar
Journal of Sedimentary Research (SEPM)
... wave conditions and environments: Jour. Sed. Petrology, v. 44, p. 169-180. MENARD, H. W., 1964, Marine Geology of the Pacific, McGraw-Hill, New York...
1975
The Movement of Gravel by the Alga Fucus Vesiculosus (L.) on an Arctic Intertidal Flat
Robert Gilbert
Journal of Sedimentary Research (SEPM)
..., and the plant is increasingly affected by wave and current action. Windrows of Fucus debris at the high tide line were examined in a 1-km section of beach...
1984
Significance of the Rare Event in Geology
P. E. Gretener
AAPG Bulletin
... to occur x times in n successive years we shall call pn,x where O^lEx^lEn. The probability for such an event not to take place during 1 year is EQUATION (1...
1967
AVO-Inversion for Reservoir Characterization of Baturaja Carbonate, Gunung Kembang Field, South Sumatra Basin
Yudi Yanto, Tino Febriwan
Indonesian Petroleum Association
... velocity log. We used measured shear-wave velocity data from the nearby Soka Field as calibration for the multivariate transform equation, which...
2008
Elastic parameters prediction using joint elastic-electrical modeling
Guoquan Wang, Shuangquan Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... background resistivity models using seismic wave velocities and investigated the impact of depth trends on this relationship. At the logging and core...
2023
A preliminary assessment of uncertainties attributed by analysts, array types and processing algorithms for microtremor observations, via the COSMOS Blind Trials
Michael W. Asten, Alan Yong, Sebastiano Foti, Koichi Hayashi, Antony Martin, William J. Stephenson, John F. Cassidy, Jacie Coleman
Petroleum Exploration Society of Australia (PESA)
..., and VS100 are estimates of the time-averaged shear-wave velocity of the upper 10, 30 and 100 meters. To calculate the fit, we use the following equation...
2019
Elastic Mechanical Properties from SEM Imaging in Tight Formations
Joel Walls, Jack Dvorkin, Gabriela Davalos
Unconventional Resources Technology Conference (URTEC)
... were computed, including Young’s modulus, Poisson’s ratio, compressional wave velocity, and shear wave velocity from SEM images and XRD mineral data...
2019
Seismic Shear Waves for Discriminating Lithology from Saturation Changes
T. L. Dobecki
Houston Geological Society Bulletin
... in an unconfined aquifer is an ideal and simple task for standard seismic refraction surveying. Typically, the compressional wave velocity variation is less than...
1989
Abstract: Comparison of Coastal Dynamics on West- and East-Facing Beaches in Magdalen Islands, Gulf of St. Lawrence, Canada, by E. H. Owens; #90972 (1976).
Search and Discovery.com
1976
Abstracts of Theses: The Spit-Platform Concept: Laboratory Observation of Spit Development
Meistrell, F. J.
CSPG Bulletin
... were employed in finding the relationship between beach slope and wave parameters. End_Page 212------------------------ A spit-platform concept...
1968
Abstract: Sediment Disturbance Due to Storm Wave Action on a Steep, Mixed Sand and Gravel Beach on the Bay of Fundy, Canada
Winson Li, Alex Hay
Atlantic Geology
...Abstract: Sediment Disturbance Due to Storm Wave Action on a Steep, Mixed Sand and Gravel Beach on the Bay of Fundy, Canada Winson Li, Alex Hay...
2015