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The AAPG/Datapages Combined Publications Database
Showing 23,318 Results. Searched 195,372 documents.
Influence of Facies, Fractures, and Weathering on the Hydraulic Properties of the Monroe Gas Rock, Douglas Carlson and Thomas Van Biersel, #90093 (2009)
Search and Discovery.com
2009
Preservation of Structural Information Across Prospect Portfolios
Search and Discovery.com
N/A
Abstract: Improving the efficiency of 3d seismic surveys using elevation data from satellite imagery; #90137 (2011)
Richard Eyers and Gerry Mitchell
Search and Discovery.com
... in field operations. Using the advanced satellite DEM reduced scouting time by ~ 80%. Comparison between the standard deviation and mean differences...
2011
Abstract: 3D Digital Outcrop Model-Based Fracture Analysis of Reservoir Outcrop Analogue (Arab-D Member, Saudi Arabia); #91204 (2023)
Sebastian Patino, Yuri Panara, Gaurav Gairola, Volker Vahrenkamp
Search and Discovery.com
... of fractures (mean/standard deviation), fisher dispersion coefficient, and attitude of fracture sets have been determined to build a reservoir structural model...
2023
The Measurement of Girdle Strength and Imbrication in Particle Fabrics: DISCUSSION
Athol D. Abrahams
Journal of Sedimentary Research (SEPM)
... and the horizontal angular deviation B of the particle axis from the downslope azimuth of the slope plane. Although Equation 1 is correct for particles plunging...
1989
Synthesis of Sand Mixtures
Henry W. Menard, Jr.
Journal of Sedimentary Research (SEPM)
... quartile = -log2 n, where n is the grain size in millimeters. If M1 = M2+, then M1 = 2 M2 = phi standard deviation DOEGLAS, D. J., 1946. Interpretation...
1949
Navigation for CCOP/SOPAC Cruise, LEG 3, Solomon Islands
W. C. Steele, K. L. Kinoshita
Circum Pacific Council Publications
... iterations and a latitudi nal standard deviation of less than .005 and a longi tudinal standard deviation of less than .010. Naviga tion shot...
1986
The Analysis of Stone Size and Shape in Arctic Environments
Cuchlaine A. M. King, Jane T. Buckley
Journal of Sedimentary Research (SEPM)
... deposits, eskers, kames, moraines, and solifluction deposits, as well as some doubtful features. Size measurements, using the mean and standard deviation...
1968
Vitrinite Reflectance of Whole-Rock Versus Dispersed Organic Matter Concentrate Mounts: Whats the Difference?
Charles E. Barker
The Society for Organic Petrology (TSOP)
... work. The standard deviation(s) of Rv-r measurements in the whole rock mounts was also slightly higher than typical for Rv-r measurements with a s/Rv-r...
1994
Grain-Size Statistics I: Evaluation of the Folk and Ward Graphic Measures
Davis Swan, John J. Clague, John L. Luternauer
Journal of Sedimentary Research (SEPM)
... are the statistical parameters mean, standard deviation, skewness, and kurtosis. Although different methods have been devised to calculate these parameters...
1978
Lineament Analysis: An Exploration Method for the Delineation of Structural and Stratigraphic Anomalies
Alvin C. Johnson, Jr.
Utah Geological Association
... more likely to be boundary lineaments. If a lineament has a low standard deviation then it is likely to be a regional lineament. Conversely...
1974
Distinction Between Dune, Beach, and River Sands from their Textural Characteristics
Gerald M. Friedman
Journal of Sedimentary Research (SEPM)
... moment (skewness) against standard deviation (sorting). The third moment (skewness) of coarse-grained sand is inconclusive as an indicator...
1961
Distinction Between Tills and Other Diamictons Based on Textural Characteristics
Paulo M. B. Landim, Lawrence A. Frakes
Journal of Sedimentary Research (SEPM)
... outwash deposits. Discriminant functions utilizing mean, standard deviation, skewness, and kurtosis also separate the three types of sediment. As a test...
1968
Fingerprinting of Crude Oil by the Infrared Spectrophotometry Method
M. Mulyono, R. Desrina
Indonesian Petroleum Association
.... In order to match between sample and suspect sample, the relative standard deviation of each band was calculated. If the standard deviation of each...
1988
Inferring Likely Fluid Movement from Outcrops The Range of Interpretations, #51457 (2018).
Peter J. Smith, Lance Morrissey, Andy Woods
Search and Discovery.com
... physical dispersion 0.03 0.025 λ = 0.0 0.02 λ = 0.1 0.015 λ = 0.2 0.01 λ = 0.3 0.005 0 0 0.2 0.4 0.6 0.8 permaeability standard deviation 1...
2018
Stress-Displacement Analysis of Bedding Planes in the Near-Wellbore Region During Drilling
Bery Hoshiar Tofiq, Alberto Lopez Manriquez
Unconventional Resources Technology Conference (URTEC)
... between that of the vertically drilled and a deviation angle of 75o. Additionally, all cases are analyzed at various wellbore azimuth angles...
2020
Apportioning Estimates of Basin Potential to Fields
K. J. Roy, W. A. Ross
CSPG Special Publications
... and standard deviation can be selected on the basis of nature of the geology regardless of the absolute size of fields. This significantly reduces...
1980
Improved Statistical Method for Assessment of Undiscovered Petroleum Resources
David J. Forman, Alan L. Hinde
AAPG Bulletin
... into account a dependent relationship among lambda and the average slope and intercept of the fitted lines and the average standard deviation...
1985
Distribution of Permeability in the Main Productive Horizons of the Oil Fields of the Ural-Volga
A. V. Belov
Petroleum Geology: A Digest of Russian Literature
... to a standard rule, it is not difficult to find the function of distribution, the mathematical expectation, average quadratic deviation, coefficient of variation...
1963
Statistics Overview: Part 6. Geological Methods
T. C. Coburn, Brian R. Shaw
AAPG Special Volumes
... to be 27.9, the variance is 61.79, and the standard deviation (the square root of the variance) is 7.86. Although the mean, median, and mode convey...
1992
Determining the Channel Sinuosity of Ancient Fluvial Systems from Paleocurrent Data: REPLY
J.P. Le Roux
Journal of Sedimentary Research (SEPM)
... on the normal standard deviation instead of the circular standard deviation. As pointed out by Olsen, the value of 3.2 by which the standard deviation...
1993
The Interpretation of Grain Size Distribution Curves of Clastic Sediments
Derek W. Spencer
Journal of Sedimentary Research (SEPM)
... are: (a) "Gravel" with a median of -3.5 to -2 units and a standard deviation of 1.0 to 2.0 units. (b) "Sand" with a median of 1.5 to 4 units...
1963
Abstract: The Hercynian Unconformity in Saudi Arabia - Quantification of Erosion and the Associated Uncertainty through Monte-Carlo Analysis of Maturity Profiles; #90252 (2016)
Guido Port
Search and Discovery.com
... reflectance data and the associated standard deviation values. A Matlab®-tool has been developed to perform a stochastic curve fit of depth vs. log...
2016
ABSTRACT: A Discussion of TSOP VR Round-Robin Analysis
Rui Lin
The Society for Organic Petrology (TSOP)
...-laboratory standard deviation of the mean VR values ranges from 0.036 t o 0;054. The VR data dispersion between the lowest and the highest values ranges...
1993
Abstract: Petrophysical Analysis of Sandstones Using CT Scanning and Conventional Methods
J. M. Perez
GCAGS Transactions
... numbers (CTm) over a given area of the obtained images, and 2) standard deviation of CT numbers (CTs) within the selected portion of the images. CTm...
1993