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The AAPG/Datapages Combined Publications Database
Showing 33,158 Results. Searched 195,696 documents.
Effect of Particle Shape on the Packing of Carbonate Sands and Gravels
Robert J. Vinopal , Alan H. Coogan
Journal of Sedimentary Research (SEPM)
...------------------------- configuration of varied shape packs. Consequently, no mathematical statement exists that explains random packing processes, the wall effect...
1978
Milankovitch Period Uncertainties and Their Impact On Cyclostratigraphy
David Waltham
Journal of Sedimentary Research (SEPM)
.../precession); and (iii) problems with verifying that observed cycles are Milankovitch driven at all (the probability of a random period ratio matching...
2015
3-D Analysis and Model Construction
Charles Kerans, Scott W. Tinker
Special Publications of SEPM
... effect on the accuracy of a 3-D model. The techniques for distribution of log, core, seismic, and production data within the 3-D framework also have...
1997
COMPARISON OF REFLECTANCE DATA FOR VARIOUS MACERALS FROM COALS OF THE KOOTENAY GROUP, SOUTHEASTERN BRITISH COLUMBIA
A.R. Cameron
North Dakota Geological Society
... were obtained; 1. mean random reflectances on vitrinite A ranged from 0.96 to 1.41 in the 12 seams at Weary Ridge, and from...
1984
AAPG/Datapages Discovery Series No. 7: Multidimensional Basin Modeling, Chapter 17: Constraining the Gamble-Stochastic Techniques and Quantifying Uncertainties in Basin Modeling
Zwach, C., Arnd Wilhelms
AAPG Special Volumes
... a quantified uncertainty of basin modeling results. Such studies should include the simultaneous (random) variation of every important input parameter...
2003
Log-Linear Models, Markov Chains and Cyclic Sedimentation
Timothy R. Carr
Journal of Sedimentary Research (SEPM)
... Markovian processes have been used by a number of investigators to test stratigraphic sections against a null hypothesis of a random succession...
1982
Rooting Against a Recovery?
Russell Evans
Oklahoma City Geological Society
... offcially began in the years just before statehood, leaving an early and ongoing mark on the state’s economic geography. The legacy effect...
2016
Application and Extension of Fine Fault Recognition Technology in Surrounding Area of Penglai 19-3 Oilfield, Bohai Bay Basin, Eastern China, #20436 (2018).
Xugang Ma, Donghong Zhou, Dingyou Lv, Dayong Guan, Hongguo Zhang
Search and Discovery.com
... that, with the increase of the number of samples, the noise interference decreases, and the recognition effect improves gradually, and the effect of 24 and 32...
2018
III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... of the seismic data, and rock properties analysis. The rock physics challenges to be covered include anisotropy, pore type effect, mud filtrate invasion, sonic...
2008
Geostatistical Integration of Crosswell Data for Carbonate Reservoir Modeling, Mcelroy Field, Texas
William M. Bashore, Robert T. Langan, Karla E. Tucker, Paul J. Griffith
Special Publications of SEPM
..., the source spacing is usually increased, which permits faster logging speeds. However, if the signal-to-noise ratio decreases below a tolerable threshold...
1995
Oil families and their inferred source rocks in the Barents Sea and northern Timan-Pechora Basin, Russia
Meng He, J. Michael Moldowan, Alla Nemchenko-Rovenskaya, Kenneth E. Peters
AAPG Bulletin
...:10.1038/19847.Seifert, W. K., and J. M. Moldowan, 1979, The effect of biodegradation on steranes and terpanes in crude oils: Geochimica et Cosmochimica Acta, v. 43, p...
2012
Regional detection and monitoring of injection-induced seismicity: Application to the 2010–2012 Youngstown, Ohio, seismic sequence
S. G. Holtkamp, M. R. Brudzinski, and B. S. Currie
AAPG Bulletin
... shear stress in an elastic sense to bring a fault closer to failure, but generally the mass of injected liquids is too low to have a profound effect...
2015
Optical Methods for Monitoring Treating Chemicals in Oilfield Water Systems
Dale F. Brost, Frank M. Rexach, Gregory A. Winslow
Indonesian Petroleum Association
... housings of both optical channels. To assess the effect of temperature on instrument response, measurements were taken over an 8 hour period...
1991
Pore-Scale Characterization of Shales Using Dendroidal Theoretical Pore-Network Model
Da Zheng, Yuliana Zapata, Zulfiquar A. Reza
Unconventional Resources Technology Conference (URTEC)
... based on the hysteresis effect of isothermal adsorption/desorption measurements and characterizes pore-throat distribution using mercury drainage...
2018
Formation Porosity and Fluid Content from Velocity Logs
E. R. Denton
CSPG Bulletin
... of interest to the geophysicist. Figure 2. Section of an original field log showing noise spikes. End_Page 81------------------------- Figure 2. shows...
1956
Recent Advances in the Characterization of Unconventional Reservoirs with Wide-Azimuth Seismic Data
Ran Bachrach, Colin M. Sayers, Sagnik Dasgupta, Josimar Silva, Stefano Volterrani
Unconventional Resources Technology Conference (URTEC)
... within the limit imposed by the wavelet bandwidth and the signal-to-noise ratio. The low frequency information is derived by integrating seismic velocity...
2013
Computer-Generated Surfaces and Grids of the Geometry, Rock Type, and Chemistry of a Bedded Mineral Deposit: Chapter 4
Walter J. Bawiec, Wilbur D. Grundy
AAPG Special Volumes
..., or regresses, estimates based on the proportion of total sample variance accounted for by random noise. The noisier the data set, the less the individual samples...
1992
Crystal Growth Mechanisms of Quartz Overgrowths in a Cambrian Quartz Arenite
Astrid Makowitz , Duncan Sibley
Journal of Sedimentary Research (SEPM)
... crystals: AIChE Journal, v. 39, p. 1472-1482. WHITE, E.T., BENDIG, L.L., AND LARSON, M.A., 1976, The effect of size on the growth rate of potassium sulfate...
2001
Low-Frequency De-Ghosting Method to Enhance Basement Layer Continuity Image in Foxtrot South East Area, North West Java Sea
Ryan Bobby Andika, Hudzaifah, Deny Martian, Nurudin Mahmud, Sri Sadono
Indonesian Petroleum Association
...-ghosting, gives a clearer continuity image of the basement layer, which at first was only recognized as a noise signal. This finding will certainly...
2019
The Rawa Besar Lake Area (Depok, Indonesia) Study Using Ground Penetrating Radar; #80291 (2013)
Annisa Cinintia Finahsan and Supriyanto Suparno
Search and Discovery.com
... of the data, by increasing the value of its signal-to-noise ratio. Each data has different characteristics, so the processing is done in different processes...
2013
Mathematical Statistics in Oil-Field Geology
L. F. Dement’yev
Petroleum Geology: A Digest of Russian Literature
... is referred to the category of random (with which mathematical statistics is concerned) but are subject to definite geological regularities and, second...
1964
An Imaging Method for the Porosity of Sedimentary Rocks: Adjustment of the PMMA Method--Example of a Characterization of a Calcareous Shale
S. Sammartino, M. Siitari-Kauppi, A. Meunier, P. Sardini, A. Bouchet, E. Tevissen
Journal of Sedimentary Research (SEPM)
... (1/1) versus the gray-level range of the autoradiograph. B) Deconvolution of the total relative uncertainty as function of each kind of parameter (sample...
2002
Settling Convection and Grain Size Analysis: DISCUSSION
David J. A. Williams
Journal of Sedimentary Research (SEPM)
... CONVECTION The recent paper by Kuenen (1968) suggested that the effect of settling convection had been overlooked or ignored as being a secondary...
1969
True-Azimuth 3D Surface-Related Multiple Elimination
Roald van Borselen, Rob Hegge, Peter Aaron, Simon Barnes, Andrew Long
Petroleum Exploration Society of Australia (PESA)
... operators to correct for offset deconvolution and Radon demultiple, and the 3D convolutions mentioned above. cannot subsequently cope with multiples...
2009
Phase Unwrapping: A Review of Methods and a Novel Technique
Sam T. Kaplan
Search and Discovery.com
.... It is this branch-cut that manifests as 2S discontinuities in phase, and various unwrapping methods remove its effect, allowing us to work with the logarithm...
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