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The AAPG/Datapages Combined Publications Database
Showing 5,455 Results. Searched 200,293 documents.
Do the Seismic Velocities Depend from Time-Temperature Index?
Tanima Dutta, Tapan Mukerji, Gary Mavko, Kenneth Peters
Search and Discovery.com
... on specific temperature and time. For example, in different sedimentary basins, overpressure occurs at different depths. But, usually they start...
Unknown
Technical Safety: Use of Concept Risk Assessment for Field Development Certainty
Colin Crowley, Dave Ashton
Australian Petroleum Production & Exploration Association (APPEA) Journal
... for each development option to calculate risks to personnel by combining Journal compilation Ó APPEA 2019 release frequencies, fire or explosion...
2019
Utilizing the Two-Way Wave Equation: Reverse Time Pre-Stack Depth Migration
Matthew H. Karazincir, Clive M. Gerrard, Andrew Long, Lynn B. Comeaux
Indonesian Petroleum Association
... of reverse time migration is the use of the two-way acoustic wave equation, which handles steeply dipping events, turning waves and multiples. Conventional...
2008
Discrete Fracture Characterization Applied To The Margarita Field, Bolivia
T. Zapata, H. Araujo
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... and partners are BG Group plc (37.5%) and PanAmerican Energy (25%). It is located in the north part of an elongated anticline oriented NNESSW...
2003
The impact of organic pores on estimation of overpressure generated by gas generation in organic-rich shale: Example from Devonian Duvernay Shale, Western Canada Sedimentary Basin
Pengwei Wang, Zhuoheng Chen, Kezhen Hu, and Chen Xiao
AAPG Bulletin
... petrophysical model, the sonic transit time in shale is expressed as the sum of sonic transit times traveling in different rock volume fractions (Crain, 1986...
2023
Multivariate Pattern Recognition and Classification Methods: Chapter 4
John H. Doveton
AAPG Special Volumes
.... The evaluation can be made visually by the comparison of logs of clustered zones at different levels of group agglomeration. Alternatively, the best...
1994
Tertiary Detrital Gypsum in the Madrid Basin, Spain: Criteria for Interpreting Detrital Gypsum in Continental Evaporitic Sequences
María Esther Sanz, Juan Pablo Rodríguez-Aranda, José Pedro Calvo, Salvador Ordónez
Special Publications of SEPM
... specifically marls Each group in turn is divided into several facies that rep resent different types of sedimentation and or distinct lo chemically...
1994
Case Studies: Integrated Production Profiling Analyses from Distributed Temperature and Acoustic Data
Yilin Mao, Caroline Godefroy, Alain Gysen
Unconventional Resources Technology Conference (URTEC)
... with different frequencies. Figure 1. DAS processing result example DAS production features For production monitoring and profiling purposes, low...
2024
Chronology, Relative Sea-Level History and a New Sequence Stratigraphic Model For Basinal Cretaceous Facies Of Colombia
Tomas Villamil
Special Publications of SEPM
... relies on the use the A zone of Lenti refined of a different fossil more group because Santonian facies do not favor good preservation...
1998
Contrasting facies patterns between river-dominated and symmetrical wave-dominated delta deposits
Brian J. Willis, Tao Sun, R. Bruce Ainsworth
Journal of Sedimentary Research (SEPM)
... preserving very different deposits (inputs were the same except for the occurrence of waves). Comparisons of these models allow speculation about...
2021
Early Ordovician Tidal Flat Sedimentation, Western Margin of Proto-Atlantic Ocean
S. J. Mazzullo
Journal of Sedimentary Research (SEPM)
..., Peritidal sequences marginal to the Proto-Atlantic Ocean: The Beekmantown Group (lower Ordovician) of eastern New York State: Geol. Soc. America...
1978
Concave Sand Grains in Eolian Environments: Evidence, Mechanism, and Modeling
B. T. Werner , E. Merino
Journal of Sedimentary Research (SEPM)
... concavities, grain size, and mineralogy) were carried out on 26 thin sections from 12 eolian sands and sandstones of different ages and localities...
1997
Methodology for Enhancing and Evaluating Geologic Effects of Time Series Models: A Case of Ground Response in Santa Clara Valley, California, #41097 (2012)
Olusola Samuel-Ojo, Lorne Olfman, Linda A. Reinen, Arjuna Flenner, David D. Oglesby, Gareth J. Funning
Search and Discovery.com
... of different smoothing techniques are compared by performing a ten-fold cross-validation experiment. Using the methodology, we produced sixteen models...
2012
The Geology, Geophysics and Significance of the Nisku Reef Discoveries, West Pembina Area, Alberta, Canada
Exploration Staff, Chevron Standard Limited
CSPG Bulletin
... by the top of the Ireton. Except for a polarity reversal, the sum trace approximates the velocity log. Therefore, the first peak can be thought...
1979
Carbonate Sediment Production, Transport, and Supply To A Coral Cay At Raine Reef, Northern Great Barrier Reef, Australia: A Facies Approach
John L. Dawson, Scott G. Smithers
Journal of Sedimentary Research (SEPM)
... York, John Wiley & Sons, p. 385– 407. Gibbs, R.J., Matthews, M.D., and Link, D.A., 1971, The relationship between sphere size and settling velocity...
2014
Computer Modeling of the Evolution of Fluvial Systems
Mark R. Vining
GCAGS Transactions
... is represented by a group of time domains that capture different levels of rainfall intensity not adequately characterized by a single average value...
1998
A Critique of Methods for Comparing Heavy Mineral Suites
Edward J. Young
Journal of Sedimentary Research (SEPM)
... be at a minimum--and must be less than the variation between samples of different sands--in order to show that a significant difference in heavy mineral...
1966
Upper Cretaceous Depositional Pattern, Coalinga Area, California: GEOLOGICAL NOTES
Monzer S. Shawa
AAPG Bulletin
...; the other is that several episodal currents, of different velocity and turbulence, dispersed their loads along the slope in somewhat varying directions...
1970
An Examination of Froude-Supercritical Flows and Cyclic Steps On A Subaqueous Lacustrine Delta, Lake Chelan, Washington, U.S.A.
Aaron T. Fricke, Benjamin A. Sheets, Charles A. Nittrouer, Mead A. Allison, Andrea S. Ogston
Journal of Sedimentary Research (SEPM)
...., 2011, A comparative study of sediment waves and cyclic steps based on geometries, internal structures and numerical modeling: Marine Geology, v. 280, p...
2015
Coherence Attribute Applications on Seismic Data in Various Guises
Satinder Chopra, Kurt Marfurt
Unconventional Resources Technology Conference (URTEC)
..., so that subsurface geology can be seen at different frequencies. This process aids the interpretation of discrete stratigraphic features...
2018
Influence of Mixtures of Grain-Size Populations on the Parametric and Modal Characteristics of Coastal Sands (Herault, Mediterranean Sea, France)
J. Paul Barusseau
Journal of Sedimentary Research (SEPM)
... one-component GSDs form a minority group and mixtures produce various apparently unimodal sands and bimodal sediments. A large variation of grain-size...
2011
Safety Performance Evaluation Checklist (SPEC)
Raflin P. Lubis
Indonesian Petroleum Association
... b. Sub-total and Total Scores Scores of all applicable items listed in an individual group should be sub-totaled. "Total score" is the sum...
1996
Millenial-scale time averaging inferred by discolored shells in beach death assemblages
Sergio Martínez, Alejandra Rojas
PALAIOS
... skeletal concentrations (death assemblages) present on siliciclastic beaches are formed by a complex admixture of shells with different abundances...
2023
Landward Migration of Isolated Shelly Sand Ridge (Chenier) on the Macrotidal Flat of Gomso Bay, West Coast of Korea: Controls of Storms and Typhoon
Hee Jun Lee, Seung Soo Chun , Jin Ho Chang, Sang-Joon Han
Journal of Sedimentary Research (SEPM)
... to 11 m in a few days. This suggests that strong waves associated with storms or typhoons have predominantly driven the shelly sand ridge and offshore...
1994
Arithmetic Means of Circular Data
William H. Wood, Rhoda M. Wood
Journal of Sedimentary Research (SEPM)
... lying on the circumference of the unit circle is defined to be a point z; the algebraic sum of whose deviations on either side of a diameter passing...
1966