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The AAPG/Datapages Combined Publications Database
Showing 1,682 Results. Searched 200,635 documents.
Structure of Upper Cenozoic Strata Beneath Kodiak Shelf, Alaska
Michael A. Fisher, Roland Von Huene
AAPG Bulletin
.... Structure contours of horizon C in Albatross basin. Location of map is shown in Figure 1. End_Page 1018------------------------------ least-squares...
1980
Petroleum-Related Origin for Uraniferous Organic-Rich Nodules of Southwestern Oklahoma
Joseph A. Curiale , Salman Bloch , Janina Rafalska-Bloch , William E. Harrison
AAPG Bulletin
... of the samples listed in Table 2. A least squares regression line is drawn through the points. It may be of some significance that a decrease in H/C ratio...
1983
Tectonic Evolution of Gulf of Anadyr and Formation of Anadyr and Navarin Basins
Michael S. Marlow, Alan K. Cooper, Jonathan R. Childs
AAPG Bulletin
... plot were fit by least squares (Fig. 9). Except for the deepest refractors, each data set is highly linear. The resulting best-fit lines for Anadyr...
1983
Stratigraphic Evolution of Blake Outer Ridge
R. G. Markl , G. M. Bryan
AAPG Bulletin
...] A least-squares fit of the sonobuoy data to this equation yielded a (v0, k) pair for each layer. The overburden contributed by the nth layer...
1983
Influence of Paleoenvironmental Factors on Preservation of Organic Matter in Middle Cretaceous Greenhorn Formation, Pueblo, Colorado
Lisa M. Pratt
AAPG Bulletin
... least-squares fits of the data from the macroburrowed samples and the microburrowed to laminated samples. Fig. 5. Plot of hydrogen indices vs. oxygen...
1984
A New Approach to Shale Compaction and Stratigraphic Restoration, Beaufort-Mackenzie Basin and Mackenzie Corridor, Northern Canada (1)
D. R. ISSLER
AAPG Bulletin
... IMAGE) for i = 1, 2, ... n data points. A least squares fit to the data yields an acoustic formation-factor exponent of 2.19 and a matrix transit time...
1992
Distribution and Generation of the Overpressure System, Eastern Delaware Basin, Western Texas and Southern New Mexico
Ming Luo , Mark R. Baker , David V. LeMone
AAPG Bulletin
... of depth in Figure 16. A least-squares fit to the BHTs shown yields an average geothermal gradient of 21°C/km for War-Wink field with a surface temperature...
1994
Origin of petroleum in Bangladesh
J. A. Curiale, G. H. Covington, A. H. M. Shamsuddin, J. A. Morelos, A. K. M. Shamsuddin
AAPG Bulletin
... Table 3), that is, south of 24.4 degreesN. The line is a least-squares best fit (r2 = 0.82). The Dd value is generally controlled by differences...
2002
Outcrop-based reservoir characterization: A composite phylloid-algal mound, western Orogrande basin (New Mexico)
Patrick D. Doherty, Gerilyn S. Soreghan, John P. Castagna
AAPG Bulletin
... into a mathematical grid using a least-squares calculation method and Surfer software. Mathematical gridding algorithms are subject to error, particularly...
2002
An integrated evaluation of hydrocarbon charge and retention at the Griffin, Chinook, and Scindian oil and gas fields, Barrow Subbasin, North West Shelf, Australia
Mark Brincat, Anthony Gartrell, Mark Lisk, Wayne Bailey, Luke Johnson, Dave Dewhurst
AAPG Bulletin
... (excluding the Ramillies-1 well), yields a correlation coefficient (R2) calculated from a least-squares regression of 0.98.Figure 7. Relationship between...
2006
Natural fractures in the Barnett Shale and their importance for hydraulic fracture treatments
Julia F. W. Gale, Robert M. Reed, Jon Holder
AAPG Bulletin
... constant value.Microsoft Excel's SOLVE option was used to determine the parameters from a least-squares fit of all load decay data. This process is set...
2007
A new technology for the characterization of microfractured reservoirs (test case: Unayzah reservoir, Wudayhi field, Saudi Arabia)
Mohammed S. Ameen, Ernest A. Hailwood
AAPG Bulletin
... on the Appalachian Plateau: Tectonophysics, v. 247, p. 121132.Kirschvink, J. L., 1980, The least-squares line and plane and the analysis of palaeomagnetic data...
2008
Diagenetic characteristics of the Jurassic Navajo Sandstone in the Covenant oil field, central Utah thrust belt
W. T., Parry, Marjorie A. Chan,, Barbara P. Nash
AAPG Bulletin
... of petrographic point counting (1000 points per thin section, 300-m step) and least squares fit of mineralogy, mineral chemistry, and whole-rock chemistry using...
2009
Kuparuk oil field, Alaska, a mixture of Kekiktuk gas condensate and Shublik oil
Leon I. Dzou
AAPG Bulletin
..., alternate least squares analysis of 46 C15+ biomarker concentrations indicates that six Kuparuk oils consist of mixed charge from Shublik, Kingak, and Hue...
2010
Mapping of salt structures and related fault lineaments based on remote-sensing and gravimetric data: The case of the Monte Real salt wall (onshore west-central Portugal)
Fernando Carlos Lopes, Alcides Jose Pereira, Vasco Manuel Mantas
AAPG Bulletin
... geophysical data. Agocs, W. B., 1951, Least squares residual anomaly determinations: Geophysics, v. 16, p. 686696, doi:10.1190/1.1437720.Almeida, C., J. J. L...
2012
Outcrop-constrained hydrogeological simulations of brine reflux and early dolomitization of the Permian San Andres Formation
Beatriz Garcia-Fresca, F. Jerry Lucia, John M. Sharp Jr., Charles Kerans
AAPG Bulletin
..., M., and Y. Eckstein, 1995, Use of weighted least-squares method in evaluation of the relationship between dispersivity and field scale: Ground Water...
2012
Effects of internal gradients on pore-size distribution in shale
Christian Obasi, and Jack Pashin
AAPG Bulletin
... for kaolinite. Each measured magnetization decay signal for a T2 distribution was inverted using a regularized nonnegative least squares algorithm after...
2018
Application of Vitrinite Reflectivity to Paleogeothermometry Studies: Some Examples from Papua New Guinea Basins
N. J. Russell
Papua New Guinea (PNG) Petroleum Convention Proceedings
... is similar to the value of 5°C used by Exon and Marlow (1988) for calculating sub surface tem peratures in the New Ireland Basin. Least squares...
1990
Geochemistry of North Central North Fiji Basin Sediments
Gary M. McMurtry, Eric H. DeCarlo, Kee Hyun Kim
Circum Pacific Council Publications
... calculated by a least-squares fit of the logarithm of the excess T h activity (expressed as the alpha track production density in tracks/cm day) versus...
1994
Bass Basin Geology and Petroleum Exploration
G. C. Smith
Petroleum Exploration Society of Australia (PESA)
... and the least-squares fitting technique of partial trend-surfaces . Geothermal gradients were calculated for all wells drilled up to 1980 using dT/dX...
1985
A Conodont- and Graptolite-Based Silurian Chronostratigraphy
Mark A. Kleffner
Special Publications of SEPM
... of most or all of those best controlled points were subsequently used to calculate an equation for the LOC by the method of least squares...
1995
Secular Variations in the Phanerozoic Reef Ecosystem
Wolfgang Kiessling
Special Publications of SEPM
... on a least-squares of carbonate survival rates Mackenzie than older ones The reconstruction of ancient sediment masses fit The than older ones...
2002
Fault/Fracture Controlled Hydrothermal Dolomitization and Associated Diagenesis of the Upper Devonian Jean Marie Member (Redknife Formation) in the July Lake Area of Northeastern British Columbia
Jack Wendte, Ihsan Al-Aasm, Guoxiang Chi, David Sargent
CSPG Bulletin
... for calcite components. The least squares regression line and the corresponding correlation coefficient for all equant calcite cement components...
2009
Chapter 23: Crustal Structure and Geologic History of the Espino Rift, Venezuela, Based on Potential Fields, Seismic Reflection, and Well Data
Lourdes Rodriguez, Paul Mann, Stuart Hall
AAPG Special Volumes
... model used in this study combined the Pavlis et al. (2008) gravity compilation (i.e., EGM2008) developed in a least squares adjustment...
2021
Earthquake-Induced Landslides and Their Effects on Alluvial Fans
David K. Keefer
Journal of Sedimentary Research (SEPM)
... with equation is log-linear least-squares regression mean from Keefer and Wilson (1989). End_Page 85------------------------- debris flows. A smaller number...
1999