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The AAPG/Datapages Combined Publications Database
Showing 23,315 Results. Searched 195,354 documents.
Understanding the Uncertainty of Gas Saturation Estimates: An Example from a Single Subbituminous Coal Seam
Tennille Mares, Tim Moore, Catherine Moore
Petroleum Exploration Society of Australia (PESA)
... and a standard deviation of 0.40 m3/t. The methane adsorption isotherm curves (Figure 1) clearly show the variability in maximum holding capacity for the Jasper...
2012
Reproducibility and Significance of Measurements of Sedimentary Size Distributions
John J. W. Rogers
Journal of Sedimentary Research (SEPM)
... somewhat larger percentage deviations than do those of mean and standard deviation. The reproducibility of the various parameters is satisfactory...
1965
A Sample Splitter for Moist, Saturated, or Suspended Sediment: NOTES
Dean A. Mcmanus, Larry G. Hanson, James V. Baker
Journal of Sedimentary Research (SEPM)
... the splits. Comparison of the median particle size among the splits reveals little variation, and, although the mean, standard deviation and skewness show more...
1966
Trace and Minor Elements in Evaporites
Walter E. Dean
Special Publications of SEPM
... = 80) Standard Deviation B. Castile (Permian) Mean (N = 510) Standard Deviation F. Zechstein (Permian) G. Yates(Permian) H. Windsor (Triassic...
1987
Abstract: Constraints on the Geochemical Provenance of Refined Copper and Brass Artifacts from Nova Scotia, Canada: Insights into the Metallurgical and Trace Element Systematics of European Contact-Era Trade Alloys Brought to Atlantic Canada
Paige Fleet, Glen Hodge, Jacob Hanley, Katie Cottreau-Robins, Brandon Boucher, Chris Mcfarlane, Graham Layne, Bruce Stewart, Mike Sanders
Atlantic Geology
... of the same object. Standard deviation values for each average were used to identify significant outliers outside the range of 2 sigma values, which were...
2015
Dune Cross-bedding on Mustang Island, Texas: GEOLOGICAL NOTES
Earle F. McBride , Miles O. Hayes
AAPG Bulletin
...------------ Cross-beds of eolian, marine, and fluvial origin may differ sufficiently in shape, dip angle, standard deviation of dip azimuths...
1962
Abstract: Integration of Surface Geology and Geochemistry with Geophysical Surveys for Hydrocarbon Exploration in Southern Bolivia, by J. B. L. Françolin and J. R. S. Soares Filho; #90933 (1998).
Search and Discovery.com
1998
Abstract: Integration of Surface Geology and Geochemistry with Geophysical Surveys for Hydrocarbon Exploration in Southern Bolivia, by J. B. L. Françolin and J. R. S. S. Filho; #90923 (1999)
Search and Discovery.com
1999
Abstract: 2-D and 3-D Representations of Outcrop Heterogeneity from Lidar Imagery for Groundwater Modeling, by E. M. Nichols, G. Weissmann, T. Wawrzyniec, J. Frechette, and L. A. Scuderi; #90090 (2009).
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2009
Abstract: Intrinsic Fault Seal Uncertainties in Hydrocarbon Migration Analysis, by Øyvind Sylta and Are Tømmerås; #90124 (2011)
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2011
Abstract: Mudstone Aggregates and their Implications for Sedimentology and Reservoir Characteristics, by Laycock, Dallin P.; Pedersen, Per; Spencer, Ronald; #90163 (2013)
Search and Discovery.com
2013
Carbonate Reservoir Characterization Using Electrical Borehole Image – Revisited Existing Methods Using Textural Analysis Workflow
Search and Discovery.com
N/A
X-Ray Imaging for Compaction Band Characterisation in Porous Sandstones
Search and Discovery.com
N/A
Biomarker composition of the Lower Jurassic sub-bituminous coal from the Blanowice Formation (Silesian-Cracow Monocline, southern Poland) – preliminary studies
Search and Discovery.com
N/A
Ordovician Jeleniów Claystone Formation of the Holy Cross Mountains, Poland - redox condition reconstruction using pyrite framboid study
Search and Discovery.com
N/A
X-Ray Imaging for Compaction Band Characterisation in Porous Sandstones; #41662 (2015)
E.M. Charalampidou, S. Stanchits, S. Hall, G. Viggiani, H. Lewis, G. Couples
Search and Discovery.com
... the experiments, defining the changes caused by deformation. The standard deviation of the grey-scale values in Vosges is smaller than that in Bentheim (undeformed...
2015
EXTENDED ABSTRACT: Raman Spectroscopy of Reflectance Suppression in Artificial Source Rock
Margaret Sanders, Aaron Jubb, Paul Hackley, Ken Peters, Andrew Pomerantz
The Society for Organic Petrology (TSOP)
..., APM100 = only Green River shale. All samples were pyrolyzed at 330 °C for 72 hours. Reflectance error bars represent one standard deviation. RBS error...
2021
Power-Law Distribution of Fracture Attributes: Integrated Approach to Fractured Basement Reservoir of Garba Formation, South Sumatra Basin
Rizky Dwi Renaldy, Ektorik Dimas, Anggun Apriliani, Santa Marchilya Tarigan
Indonesian Petroleum Association
...-stages of tectonic activities occured during the basement configuration. The standard deviation of apertures is 3.45 mm with range between 0.1 to 30 mm...
2018
Surface Prediction using Rejection Sampling to Handle Non-linear Constraints
Petter Abrahamsen, Pål Dahle, Vera Louise Hauge, Ariel Almendral-Vazquez, Maria Vigsnes
CSPG Bulletin
...ed realizations will be an approximation for the prediction, and the pointwise standard deviation of the simulated realizations will be an approximati...
2015
Comparison of Satellite Altimetric Gravity and Ship-Borne GravityOffshore Western Australia
Asbjorn Norlund Christensen, Ole B. Andersen
Petroleum Exploration Society of Australia (PESA)
... the Geoscience Australia marine gravity database. The standard deviation of the difference between the ship-borne gravity data and the satellite...
2016
In-Situ Analysis of Traces, Minor and Major Elements in Rocks and Soils with a Portable XRF Spectrometer; #41836 (2016)
Anthony Thomas, Joachim Heckel, Dirk Wissmann
Search and Discovery.com
... using the same calibration. A pure quartz sample was measured 10 times to determine the lower limits of detection, LOD. The absolute standard deviation...
2016
Estimation of Channel Sinuosity from Paleocurrent Data: A Method Using Fractal Geometry: DISCUSSION
J.P. Le Roux
Journal of Sedimentary Research (SEPM)
..., J.P., 1994, The angular deviation of paleocurrent directions as applied to the calculation of channel sinuosities: Journal of Sedimentary Research, v...
2001
ABSTRACT: Bireflectance of Vitrinite in Arkoma Basin Dispersed Organics: Insights for Understanding Reflectance Populations in High Thermal Maturity Regions
David W. Houseknecht, David Bensley, Lori A. Hathon, Paul H. Kastens
The Society for Organic Petrology (TSOP)
..., linear relationship exists between mean random vitrinite reflectance and standard deviation of vitrinite reflectance. This relationship is manifested...
1991
A Suggested Standard Procedure for the Construction of Unimodal Current Rose-Diagrams: RESEARCH METHOD PAPER
Christian Andreassen
Journal of Sedimentary Research (SEPM)
...: London, Allen and Unwin, 169 p. KRAUSE, G. F., AND GEIJER, T. A. M., 1987, An improved method for calculating the standard deviation and variance...
1990
Orthoconic Nautiloids as Indicators of Shoreline Surface Currents: NOTES
R. A. Reyment
Journal of Sedimentary Research (SEPM)
... was determined by the following analog of the standard deviation, the mean angular deviation s =
1968