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The AAPG/Datapages Combined Publications Database
Showing 718 Results. Searched 200,693 documents.
Patterns of Quartz Sand Shape Variation, Long Island Littoral and Shelf
Debra D. Riester , R. Craig Shipp , Robert Ehrlich
Journal of Sedimentary Research (SEPM)
... at the bight apex. The average shelf gradient is 0.87 m/km (Freeland and Swift, 1978). It is a dominantly wave-controlled energy regime (microtidal...
1982
Optimal Configuration and Information Content of Sets of Frequency Distributions
William E. Full , Robert Ehrlich, Stephen K. Kennedy
Journal of Sedimentary Research (SEPM)
... microprocessor system (ARTHUR II) described elsewhere (Fico 1980). The average diameter was calculated based on the maximum projection of each particle...
1984
Abstract: Reservoir Quality Function RQF for SAGD Geo-model Ranking and Well Pair Elevation Optimization; #90172 (2014)
Khaled Benzaoui
Search and Discovery.com
... controlled by the vertical permeability. The vertical flow is parallel to Kv. Each cell will be assigned an effective permeability which is the harmonic...
2014
Abstracts: Noise Examples from Two Microseismic Datasets; #90173 (2015)
Andy St-Onge and David Eaton
Search and Discovery.com
...). However, trace 9 has recorded no data except for a doublet peak at about 0.7 seconds. HIGH FREQUENCY HARMONIC NOISE figure 3 is a 0.2 sec. Window from...
2015
-- no title --
user1
Search and Discovery.com
... and dispersion (R2) to calculate the average values for the different folds of each permutation. To compare the different options using only one...
Unknown
Grain-Shape Variation in the St. Peter Sandstone: A Record of Eolian and Fluvial Sedimentation of an Early Paleozoic Cratonic Sheet Sand
James M. Mazzullo, Robert Ehrlich
Journal of Sedimentary Research (SEPM)
... at an average spacing o 8 inches. This core, which includes two-thirds of the total thickness of the formation in the Twin Cities area, starts from...
1983
Diagnostic Applications of Borehole Hydraulic Signal Processing
Connor J. Clark, Jennifer L. Miskimins, Dana L. Gallegos
Unconventional Resources Technology Conference (URTEC)
...-Julesburg basin, Colorado. The calculated depth of the shallowest treated perforation was identified with an average error of 30’ off of the recorded...
2018
The Effects of Wind Transport on the Shapes of Quartz Silt Grains
Jim Mazzullo, Andrew Alexander , Thomas Tieh , Ding Menglin
Journal of Sedimentary Research (SEPM)
... harmonic of the series represents a standard circular form with n evenly-spaced nodes (where n is the harmonic number). The lower h rmonics are closed...
1992
Spectral Analysis of the Middle Triassic Latemar Limestone
Linda A. Hinnov, Robert K. Goldhammer
Journal of Sedimentary Research (SEPM)
.... FISHER, R.A., 1929, Tests of significance in harmonic analysis: Proceedings of the Royal Society of London, Series A, v. 125, p. 54-59. GAETANI, M...
1991
Shape difference of mud clasts depending on depositional facies: application of newly modified elliptic Fourier analysis to hybrid event beds
Sojiro Fukuda, Hajime Naruse
Journal of Sedimentary Research (SEPM)
... Fourier descriptors (EFDs) as bellow: where Hn is nth harmonic ellipse (Fig. 1C) and takes following form: where is the maximum number of harmonic...
2020
The Original Shapes of Quartz Sand Grains
Jim Mazzullo, Stewart Magenheimer
Journal of Sedimentary Research (SEPM)
... is partitioned into a series of standard shape components (harmonics), and the relative contributions (amplitudes) of each harmonic to the shape of the grain...
1987
Spectral Induced Polarization: A New Way for Hydrocarbon Prospect Prediction
Feisal Dirgantara
Indonesian Petroleum Association
...-electrode dipole for data reception. High-frequency harmonic analysis can be improved by dedicating one measurement channel to monitor the transmitted...
2008
The Concept of Stationarity and Support in Permeability Assessment for Upscaling using the Probe Permeameter
Septi Anggraeni
Indonesian Petroleum Association
... is strongly controlled by matrix permeability (approximated by the weighted harmonic average of the matrix and vug permeability). Where the vug's length...
2000
The new method of sandbody connectivity characterization for fluvial reservoir and its application in Bohai oilfield
Xuetong Liu, Hebing Tang, Xuefeng Zhou, Zhenglong Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... at the signal with white noise, the IMFs and the remainder are obtained by EMD; (3)The average of IMF components from multiples EMD decomposition is the result...
2024
Scalable, efficient, and adaptive simulation of frequency-domain wave propagation
Jacob Badger, Andrey Bakulin, Sergey Fomel
International Meeting for Applied Geoscience and Energy (IMAGE)
... Association of Petroleum Geologists Scalable Frequency-Domain Simulation Figure 2: Visco-acoustic simulation of a 15 Hz time-harmonic shot...
2024
Magneto-Telluric Method Applied to Geothermal Prospecting*
Gerard Cormy
Southeast Asia Petroleum Exploration Society (SEAPEX)
... prospecting in: Italy, east of the Larderello field, where stations were laid out at an average spacing of 800 meters over an area of about 30 sq. kms...
1975
TWO OPTIMIZATION PROBLEMS IN OIL POOL EXPLOITATION: Well Spacing Flare Gas Collection Systems
T. E. W. NIND
Williston Basin Symposium
...: Typical harmonic decline curve...
1964
Paleoecological Reconstruction of Depositional Environments—Some Techniques of Possible Exploration Interest: Abstract
Francis G. Stehli
Tulsa Geological Society
... and of the rotational poles. Smoothing of global diversity data by application of a best-fitting, second-order, spherical harmonic surface allows precise location...
1968
A 10 kN portable electromagnetic vibrator for near-surface studies
Tim Dean, Hoang Nguyen
Petroleum Exploration Society of Australia (PESA)
... level is at least 50 dB down with no evidence of harmonic contamination. Figure 4. Photographs showing a vehicle providing the hold-down...
2019
Factors Influencing Productivity: Chapter 4
Sada D. Joshi
AAPG Special Volumes
... 81------------------------- Figure Figure Measurement of Vertical Permeability 1) Core data; arithmetic, harmonic average, etc. 2) Breakthrough...
1991
Abstract: Structural Style and Timing in the Narraway Area, Foothills Belt, Alberta: Implications for Fracture Distribution and Hydrocarbon Exploration; #90063 (2007)
Search and Discovery.com
2007
Abstracts: A Spring in the Dinosaur's Step: Musculoskeletal Modelling Dinosaur Locomotion; #90210 (2015)
Phillip Manning
Search and Discovery.com
... period of an oscillating trunk was actually a harmonic of the gait cycle frequency, which could also be seen in the animation outputs from Gaitsym...
2015
Tectono-Stratigraphic Habitat and Estimated Volume of Undiscovered Petroleum Resources North of the Arctic Circle; #10233 (2010)
Arthur Grantz, Donald L. Gautier, Robert A. Scott, Sergey S. Drachev, Thomas E. Moore
Search and Discovery.com
..., G. V., 1985, Magsat vertical field anomalies above 40 degrees N from spherical cap harmonic analysis: Journal of Geophysical Research, v. 90/B3, p...
2010
Sources, Distribution, and Mixing of Late Pleistocene and Holocene Sands on the South Texas Continental Shelf
Jim Mazzullo, K. D. Withers
Journal of Sedimentary Research (SEPM)
... values (average value: .068) at the third harmonic, while that of end member 2 is dominated by grains with relatively high amplitude values (average...
1984
Making Waves: Seismic Data Collection Using Vibroseis Technology
C. Jason Criss
GEO ExPro Magazine
... to include features such as harmonic distortion reduction. Harmonic distortion is the noise that is always present when sweeping with a vibroseis...
2019