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The AAPG/Datapages Combined Publications Database
Showing 800 Results. Searched 195,689 documents.
Upper Cretaceous Deep Water Winters Sandstone, Cities Service Nixon Community No. 1, Solano County, California
R. W. Tillman, S. M. Hughes, R. M. Scott, D. H. Dailey
Special Publications of SEPM
... 2.78 3.12 3.27 Skewness 1.19 1.06 1.36 1.31 1.21 1.32 1.34 1.28 1.32 1.35 1.50 1.98 1.42 1.46 1.41 1.25 Size 2.0 1.2 0.8 0.7 1.4 1.4 11 16...
1981
Hydroinformatics system for pollutant potential leaching spatial uncertainty assessment
Nazzareno Diodato
Environmental Geosciences (DEG)
... descriptive statistics and the statistical distribution as its histogram are presented in Figure 3. The distribution is moderately skewed (skewness coefficient...
2006
Characterization of a Morrowan Sandstone Reservoir, Lexington Field, Clark County, Kansas
Martin Emery, P. G. Sutterlin
Oklahoma City Geological Society
... the transformation of the calcite to ankerite. Table 2. Textural analyses of thin-section samples (grain size, standard skewness, and kurtosis reported...
1989
FacimageTM Modeling as a Substitute for Gas Content from Core Desorption and for Real Time Facies Analysis
Philippe Rabiller, Peter Boles, Howard Dewhirst
Unconventional Resources Technology Conference (URTEC)
...) : : : Fig : 2a Fig : 2b Predicted Gas Content by Facies 0 6 4 2 14 12 10 8 Variance Standard Deviation Skewness Kurtosis Median Mode 8 6...
2013
Origin and History of the Sulu and Celebes Basins: ODP Leg 124
E.A. Silver, C. Rangin
Circum Pacific Council Publications
... (where we drilled sites 767 and 770). Using the skewness of magnetic anomalies Weissel concluded that the anomalies most likely Origin and History...
1996
Method for Determining Permeability from Reservoir Rock Properties
Robert R. Berg
GCAGS Transactions
... be determined for grain size distribution. Skewness expresses the asymmetry of the cumulative frequency curve, and kurtosis expresses peakedness...
1970
Relict Lacustrine Sediments on the Inner Continental Shelf, Southeast Texas
Paul A. Thayer, Aurele La Roeque, , John W. Tunnell, Jr.
GCAGS Transactions
... and extreme values of skewness and kurtosis in the sediments. Considered separately, the fine sand mode has a mean size of 2.59(0.166 mm...
1974
Eolian Environments their Characteristics Recognition and Importance
João José Bigarella
Special Publications of SEPM
... to be of little value Although much dune sand is slightly better sorted than other similar sediments sorting is not distinctive Positive skewness has...
1972
Bed-thickness frequency distributions and recurrence intervals of sediment-gravity-flow deposits intercalated in lacustrine varved diatomite: examples from the middle Pleistocene Hiruzenbara Formation, southwest Japan
Hana Sasaki, Yasunori Sasaki, Megumi Saito-Kato, Hajime Naruse, Yoshiro Ishihara
Journal of Sedimentary Research (SEPM)
... section (Table 1). High values of skewness and kurtosis of the RF-type thicknesses in all sections clearly indicate that the beds show fat-tail...
2020
Environmental Geophysical Survey of Radon-Hazard Areas in the Southern St. George Basin, Washington County, Utah
Barry J. Solomon
Utah Geological Association
... from normal with a skewness of 0.951 (table 1). The mean concentration of uranium is 2.26 ppm, with a standard deviation of 0.973. There is, however...
1992
The Petrology and Reservoir Capabilities of the Jurassic Nugget Sandstone in Southeastern Idaho
James Edward Kamis
Wyoming Geological Association
... or soaking in hydrofluoric acid. Graphic mean, inclusive graphic standard deviation, inclusive graphic skewness and graphic kurtosis (appendix II) were...
1977
Petrology of the Jurassic Nugget Sandstone, Northeast Utah and Southwest Wyoming
M. Dane Picard
Wyoming Geological Association
... of the Navajo curves of grain size distribution in Freeman and Visher (1975) are also (+)-skewed. Table 6. Summary of average skewness and normal kurtosis...
1977
The "Gulf of Mexico" Late Holocene Sea Level Curve
William F. Tanner, S. Demirpolat , Frank W. Stapor , Luis Alvarez
GCAGS Transactions
... developed by profiling. These procedures show how the grain size measures (mean, standard deviation, skewness, kurtosis), change within any one beach ridge...
1989
Hindcasting Production in Four Shale Gas Basins Using a Physics-based Approach
Frank Male
Unconventional Resources Technology Conference (URTEC)
...years of production have been removed, the median EUR has dropped 90 MMcf, the standard deviation is 381 MMcf, and the skewness is at -3. 6 URTeC 2...
2018
Flexure Trend Slope Fan Deposition Gulf of Mexico
Robert K. Sawyer , Terrence C. O'Hearn
GCAGS Transactions
.... Particle size analysis included measurements of standard deviation, skewness, kurtosis, and cumulative frequency. Percentage of sand and sand-shale...
1992
Petrography and Genesis of Recent Sediments in Narragansett Bay and Rhode Island Sound, Rhode Island
Robert L. McMaster
Journal of Sedimentary Research (SEPM)
... and phi mean diameters, phi deviation, and phi skewness (Inman, 1952, p. 130) were used to describe the frequency distribution of these sands...
1962
Multivariate Analysis of Late Cretaceous Kanguk Formation (Arctic Canada) Palynomorph Assemblages to Identify Nearshore to Distal Marine Groupings
L.V. Hills, W.L Strong
CSPG Bulletin
... based on measures of skewness (range of acceptance ±0.9) and kurtosis (-0.4 to +1.8) (Wetherill, 1981, p. 9). Scheffe nonparametric rank tests at the α...
2007
Bottom Sediments of Saginaw Bay, Michigan
Leonard E. Wood
Journal of Sedimentary Research (SEPM)
... from calculations of skewness and kurtosis are not included in this paper. A linear correlation co-efficient was used in comparing all data, e.g....
1964
Spatio-Temporal Models for Big Data and Applications on Unconventional Production Evaluation
M. E. Wigwe*, E. S. Bougre, M. C. Watson, A. Giussani
Unconventional Resources Technology Conference (URTEC)
... with different characteristics (average, standard deviation, kurtosis, and level of skewness). Adding this temporal dimension gives us further insight...
2020
Coral Pinnacle Sedimentation, Alacran Reef Lagoon, Mexico
Charles M. Hoskin
Journal of Sedimentary Research (SEPM)
... and in the lee of this pinnacle. Sediment parameters of mean size, standard deviation or sorting, skewness, and kurtosis have been computed using...
1966
A Study of the Effects of Various Core Samples on Mass Physical Properties in Marine Sediments
A. L. Inderbitzen
Journal of Sedimentary Research (SEPM)
... in) the curve has been skewed toward the lower values by a single measurement This skewness is thus questionable and should be checked by further...
1968
Multi-Bench, Multi-Well Interference in Unconventional Reservoir: Field Observations and Numerical Studies in the Texas Delaware Basin
Hamid Behzadi, Yongduk Shin
Unconventional Resources Technology Conference (URTEC)
... heights, half-length, and vertical and lateral skewness of the SRV can be implemented easily during the production history matching and sensitivity analysis...
2022
Characteristics of Columbia River Sediment and Sediment Transport
John. T. Whetten, James C. Kelley, Larry G. Hanson
Journal of Sedimentary Research (SEPM)
...----------------------- Sorting is related to mean grain size, and ranges from poorly sorted for fine silts to well sorted for the coarse sands. Skewness tends to show...
1969
Multi-modal Data-assisted Prediction and Analysis of Shale Gas Production Performance at Early Production Stage in Weirong Shale Gas Field, Sichuan Basin, China
Tianrui Ye, Yitian Xiao, Yong Zhao, Haitao Cao, Chunyan He
Unconventional Resources Technology Conference (URTEC)
...he target dataset. Meta-learning first extracts meta-features, such as the number of data points and data skewness, from 140 datasets in the ...
2023
Depositional Model--upper Cretaceous Gallup Beach Shoreline, Ship Rock Area, Northwestern New Mexico
Charles V. Campbell
Journal of Sedimentary Research (SEPM)
... are slightly better sorted than shoreface sandstones, but statistical moment measures (sorting, skewness, and kurtosis) do not clearly separate...
1971