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The AAPG/Datapages Combined Publications Database
Showing 33,738 Results. Searched 197,438 documents.
2D and 3D rock slope stability assessment using Limit Equilibrium Method incorporating photogrammetry technique
Sharan Kumar Nagendran, Mohd Ashraf Mohamdad Ismail, Wen Yan Tung
Geological Society of Malaysia (GSM)
... since it consists of discontinuities due to the stresses induced by movement of tectonic plates and weathering effect. A discontinuity will manifest...
2019
Frequency and current analysis of non-linear electrical effects in mineralised rocks
Alan Oertel, Robert White, Steve Collins, Keith Leslie, Ben Spyridis
Petroleum Exploration Society of Australia (PESA)
.... This contrasts to the non-linear response of sulphide-rich rocks which generates additional signals in the frequency domain. The effect of disseminated sulphide...
2019
Inversion of Magnetotelluric (MT) Data with Enhanced Structural Fidelity, #42333 (2018).
Federico Golfre Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti
Search and Discovery.com
... an accurate description of the subsurface; however, in thrust-belt areas, the signal-to-noise ratio of the seismic reflections is severely reduced...
2018
Synthetic seismic models from outcrop-derived reservoir-scale three-dimensional facies models: The Eocene Ainsa turbidite system (southern Pyrenees)
O. Falivene, P. Arbues, J. Ledo, B. Benjumea, J. A. Munoz, O. Fernandez, S. Martinez
AAPG Bulletin
... random field with respect to the base-case model (Figure 4M; Table 1C): (A) different realization, (C) horizontal variogram ranges divided by 5, (E...
2010
Limitations of Reflection Seismograph
L. E. Nugent, Jr.
AAPG Bulletin
... in which a percentage of the output from two or more amplifiers is fed to a single galvanometer. In most instances the record is improved because random...
1953
Interaction of Reaction, Mass Transport, and Rock Deformation During Diagenesis: Mathematical Modeling of Intergranular Pressure Solution, Stylolites, and Differential Compaction/Cementation
Thomas Dewers, Peter J. Ortoleva
AAPG Special Volumes
...: the crucial effect of the nature of the fluid: Journal of Structural Geology, v. 8, p. 845-856. Heald, M. T., 1955, Stylolites in sandstones: Journal...
1990
Pitfalls in three-dimensional seismic interpretation: Footprints of an irregular source–receiver layout
Priyank Jaiswal, Robert Holman, and Michael Grammer
AAPG Bulletin
... section. Generally, onshore data sets tend to have more cultural and random noise than marine data sets. Therefore, attributes of land seismic data...
2017
Evaluation of Electron Tomography Reconstruction Methods for a Barnett Shale
Laura Frouté, Emeric Boigné, Matthias Ihme, Anthony R. Kovscek
Unconventional Resources Technology Conference (URTEC)
... through the sample, the signal to noise ratio remains small and the projection range is restricted to only a partial set of angles (±60° tilt angle...
2021
MASS BALANCE CORRECTIONS APPLIED TO LITHOGEOCHEMICAL DATA IN MINERAL EXPLORATION
EDWARD C. APPLEYARD
Saskatchewan Geological Society
... to remove random 'noise' due to density and volume change effects that the raw data inevitably contain. Net composition values enable the geochemist...
1990
Petrophysical characterization at the extremes and across three continents: contrasting examples from Utica, Marcellus, Longmaxi and Roseneath-Murteree resource shales
M. Ben Clennell, Matthew Josh, Lionel Esteban, Claudio Delle Piane, David Dewhurst, Vladimir Luzin
Unconventional Resources Technology Conference (URTEC)
... applied to account for XRD results. Pyrite was poorly determined from the logs: its sporadic occurrence introduces noise in our results presented...
2017
Modelling and 3D Printing of a Random Porous Media Using Iterative Function System Fractals
Nhan Thanh Nguyen Kenny Cao, Chan Mayol, Alireza Salmachi, Agatha Labrinidis
Australian Petroleum Production & Exploration Association (APPEA) Journal
...Modelling and 3D Printing of a Random Porous Media Using Iterative Function System Fractals Nhan Thanh Nguyen Kenny Cao, Chan Mayol, Alireza Salmachi...
2023
Modeling of Fiber-optic Strain Response When Pumping Stops to Verify Potential Continuation of Fracture Extension
Kildare George Ramos Gurjao, Eduardo Gildin, Richard Gibson, Mark Everett
Unconventional Resources Technology Conference (URTEC)
...d by extension and compression signs, respectively (Figure 11). The evolution of stress shadow zone is the immediate effect of fracture opening (i.e., widt...
2023
Continental Margin Off Western Africa: Cape St. Francis (South Africa) to Walvis Ridge (South-West Africa)
K. O. Emery , Elazar Uchupi , C. O. Bowin , Joseph Phillips , E. S. W. Simpson
AAPG Bulletin
... were digitized automatically and stored in digital form on magnetic tape for later computer processing, to enhance signal relative to noise by stacking...
1975
A hybrid deep learning network for tight and shale reservoir characterization using pressure and rate transient data
Hamzeh Alimohammadi, Hamid Rahmanifard, and Shengnan Nancy Chen
AAPG Bulletin
.... They smoothed the pressure derivative curves to remove the noise and used complex rules to deal with nonideal behaviors before training their ANN...
2022
Interval Prediction Of Crude Oil Price Using V@R-Asymmetric-Garch Model To Optimize The Petroleum Production Sharing Contract In Indonesia Via Gross Split Method
Marianik, Theoza Nopranda
Indonesian Petroleum Association
... oil prices, we did a case study to see the effect of forecasted oil prices on the economic evaluation of an oil field capital project. The case study...
2022
A frequency-dependent fluid prediction method based on a novel fluid indicator incorporating anisotropic effect and squirt flow
Tianjun Lan, Zhaoyun Zong
International Meeting for Applied Geoscience and Energy (IMAGE)
...A frequency-dependent fluid prediction method based on a novel fluid indicator incorporating anisotropic effect and squirt flow Tianjun Lan, Zhaoyun...
2023
Predictive Isopach Mapping of Gas Sands from Seismic Impedance: Modeled and Empirical Cases from Ship Shoal Block 134 Field
Robert D. Woock , Alan R. Kin
AAPG Bulletin
... efficient exploration and development programs. Standard seismic mapping techniques yield time-structure maps that may be misleading. The additive effect...
1987
Abstract: Permeability Calculations in Unconsolidated Sands; #90224 (2015)
Saeed Taheri, Shahin Ghomeshi, Apostolos Kantzas
Search and Discovery.com
... of this study is to use this method to examine the effect of grain size distribution on the permeability and test the validity of the Kozeny-Carman...
2015
Field Trip A1: Contamination in the South Mountain Batholith and Port Mouton Pluton, Southern Nova Scotia
D. Barrie Clarke, Saskia Erdmann
Atlantic Geoscience Society Special Publications
... activities. If a bear attacks you, fight back with anything and everything you can, and make a lot of noise. Do not ‘play dead’. Use pepper spray if you...
2005
Simulation and Mapping of Space-Dependent Data in Geology
Michel Dagbert
CSPG Bulletin
... data are easily generated by a computer because they are simply obtained by combining pseudo-random numbers. As the original data at hand...
1981
Applications of Shallow High-Resolution Seismic Reflection to Environmental Problems
Richard D. Miller, William E. Doll, Carlene Merey, William E. Black
Environmental Geosciences (DEG)
... and geologic settings. Gochioco, L. M., 1991, Tuning effect and interference reflections from thin beds and coal seams: Geophysics, v. 56, p. 1288–1295...
1994
Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia)
Andi Kusuma, Florent Bertini, Jacques Bonnafe, Artem Sazykin, Swee Leng Ng
Indonesian Petroleum Association
.... They absorb strongly the seismic energy and lower significantly the signal to noise ratio. Building a reliable velocity model in such areas with short...
2011
Abstract: The Approximate use of 1D Internal Multiple Prediction in a Multidimensional World: Errors and Recommendations; #90224 (2015)
Pan Pan and Kris Innanen
Search and Discovery.com
... to the classification of Xiao et al. (2003), there are three basic methods for suppressing multiples. The first type is deconvolution methods, which use...
2015
Organic Geochemistry in Relation to the Depositional Environments of Middle Jurassic Coal Seams, Danish Central Graben, and Implications for Hydrocarbon Generative Potential
Henrik Ingermann Petersen, Per Rosenberg, Jan Andsbjerg
AAPG Bulletin
... and Organic Petrology (1963, 1971, 1975) and Stach et al. (1982). The rank was determined by random reflectance measurements in oil immersion, and 100...
1996
An Analysis of the Implicit Assumptions of the Methodology of Seismic Sequence Stratigraphy: Chapter 21: Sea-Level and Seismic Stratigraphic Studies
Julian A. Thorne
AAPG Special Volumes
...: GSA Bulletin, v. 89, p. 1389-1403. Pitman, W. C., III, and X. Golovchenko, 1983, The effect of sea-level change on the shelfedge and slope of passive...
1992