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The AAPG/Datapages Combined Publications Database
Showing 1,682 Results. Searched 200,693 documents.
Thermochronologic Evidence for Footwall Deformation During Extensional Core Complex Development, Mineral Mountains, Utah
Drew S. Coleman, J. Douglas Walker, John M. Bartley, K. V. Hodges
Pacific Section of AAPG
... Bulletin, v. 105, p. 935-952. York, D., 1969, Least-squares fitting of a straight line with correlated errors: Earth and Planetary Science Letters, v. 5, p...
2001
The Biota and Biological Processes of the Continental Slope
Gilbert T. Rowe, Richard L. Haedrich
Special Publications of SEPM
... and their the broadest depth gradient has Rowe 1971b Rowe et ai 1974 least squares regressions Although some can be put in predictions...
1979
The Use of Computer Prepared Residual Maps as an Aid in Determining Sedimentary Environments of the Muddy Formation, Northeastern Wyoming
R.L. Egbert, E.F. Armstrong
Rocky Mountain Association of Geologists
... by the least squares method as described data the l e a s t squares a s described by Dillon, 1967. The transgressive nature of transgressive nature...
1970
Compressibility, Porosity, and Permeability of Shales Involving Stress Shock and Loading/Unloading Hysteresis
Faruk Civan
Unconventional Resources Technology Conference (URTEC)
... be determined by the least-squares fit of experimental data on a logarithmic scale in the following form: f f ln Y ln A B ln X where X= o , Y...
2018
Potential New Method for Paleostress Estimation by Combining Three-dimensional Fault Restoration and Fault Slip Inversion Techniques: First Test on the Skua Field, Timor Sea
A. P. Gartrell, M. Lisk
AAPG Special Volumes
... to perform the inversion required for this study. The procedure optimizes (based on a least squares best fit) the four variables of the reduced stress tensor...
2005
The control of hydrothermal dolomitization and associated fracturing on porosity and permeability of reservoir facies of the Upper Devonian Jean Marie Member (Redknife Formation) in the July Lake area of northeastern British Columbia
Jack Wendte, Alan Byrnes, David Sargent
CSPG Bulletin
... with advancing dolomite content up to 50%. The least squares regression line has a correlation coefficient of over 0.99. The sample population of 4431 full...
2009
Bilinear Flow Analysis of Shale Gas Wells With Dynamic Hydraulic Fracture Conductivity
Ivan C. Aldana, I. Yucel Akkutlu, W. John Lee
Unconventional Resources Technology Conference (URTEC)
... was regressed using an ordinary least squares technique. Using Eq. 1, we calculated fracture conductivity and permeability for the one stage of production...
2023
Bottom Currents And Sediment Transport on San Pedro Shelf, California
David E. Drake, David A. Cacchione, Herman A. Karl
Journal of Sedimentary Research (SEPM)
... surface-wave-induced currents and a least-squares fit was computed for mean speeds as a function of ln z, where z is distance above the bottom. In cases...
1985
Structural and Stratigraphic Evolution of the Campos Basin, Offshore Brazil: Chapter 38: Analogs
W. U. Mohriak, M. R. Mello, G. D. Karner, J. F. Dewey, J. R. Maxwell
AAPG Special Volumes
... the Campos basin were determined for each well by fitting an exponential curve, in a least-squares sense, to the present-day variation of porosity...
1989
Using 3-D Seismic Volumetric Curvature Attributes to Identify Fracture Trends in a Depleted Mississippian Carbonate Reservoir: Implications for Assessing Candidates for CO2 Sequestration
Susan E. Nissen, Timothy R. Carr, Kurt J. Marfurt, E. Charlotte Sullivan
AAPG Special Volumes
... production increases with distance from the northeast-trending lineaments in panel B. The dashed line shows a linear least squares fit to the data.The...
2009
Fracture Control of P-wave Azimuthal Anisotropy in a Laramide Basement-cored Anticline at Casper Arch, Wyoming: Insights from Correlations with Surface Analogs and Curvature Analyses
Duke Cooley, Eric Erslev
AAPG Special Volumes
... azimuthal normal move-out corrections at small spatial and temporal intervals. This improves seismic resolution by performing a linear least-squares fit...
2013
Paleohydrology of Ancient Dolomites: Geochemical Evidence
L. S. Land , M. R. I. Salem , D. W. Morrow
AAPG Bulletin
...------------------------------ Fig. 16. Least-squares regression lines for strontium content of four Allen Bay sections shown in Figure 17. Note consistent up-section increase...
1975
Hyperspectral imaging for the determination of bitumen content in Athabasca oil sands core samples
Michelle Speta, Benoit Rivard, Jilu Feng, Michael Lipsett, and Murray Gingras
AAPG Bulletin
... TBC” herein.The relationship between the spectral TBC estimates and the true TBC was evaluated by linear least squares regression analysis. In all...
2015
The controls on the composition of biodegraded oils in the deep subsurface: Part IIGeological controls on subsurface biodegradation fluxes and constraints on reservoir-fluid property prediction1
Steve Larter, Haiping Huang, Jennifer Adams, Barry Bennett, Olufemi Jokanola, Thomas Oldenburg, Martin Jones, Ian Head, Cindy Riediger, Martin Fowler
AAPG Bulletin
..., the degradation fluxes of reactive components in the oil were optimized via a least-squares fitting procedure to obtain an optimal match between observed...
2006
Petroleum generation kinetics: Single versus multiple heating-ramp open-system pyrolysis
Kenneth E. Peters, Alan K. Burnham, and Clifford C. Walters
AAPG Bulletin
.... 27, p. 6447–6459, doi:10.1021/ef401162p. Levenberg, K., 1944, A method for the solution of certain non-linear problems in least squares: Quarterly...
2015
THE THERMAL STATE OF THE WILLISTON BASIN IN CANADA
F. W. JONES
Williston Basin Symposium
... of the sedimentary column. The gradients in the upper interval were calculated from a least squares fitted straight line through the BHT...
1991
From raw seismic data to quantitative interpretation via cloud-based FWI
Henry A. Debens
Australian Energy Producers Journal
...) it consists of iterated rounds of shortoffset least-squares FWI to build reflectivity and deep macro-model updates to match reflection moveout; (2...
2024
Offshore Positioning Systems: The Human Interface
D. F. Haines
Southeast Asia Petroleum Exploration Society (SEAPEX)
... filtering method in use gyro heading method of calculation (least squares, error triangles) Output: position coordinates (geographic...
1980
PALEOMAGNETIC ORIENTATION OF FRACTURES IN CORES FROM SOUTHWESTERN MANITOBA FOR HORIZONTAL WELL PLANNING
K. P. GILLEN
Williston Basin Symposium
..., v. 81, p. 75-87. Kirschvink, J.L., 1980, The least-squares line and plane and the analysis of paleomagnetic data, Geophysical...
1998
Adjustments of Velocity Logs to Tie Geophone Surveys
Warren Hicks
Oklahoma City Geological Society
... be used. In favorable areas this approach works out neatly. Usually a least squares fit is made of the log data to the geophone data. Least squares fits...
1961
Normalized energy-norm imaging condition for elastic reverse-time migration
Can Oren, Jeffrey Shragge
International Meeting for Applied Geoscience and Energy (IMAGE)
... energy available at the interface to generate a dimensionless image. Applying a least-squares ERTM framework (Feng and Schuster, 2017), though...
2022
Seismic data reconstruction using denoising convolutional neural network combined with regularization by denoising
Nanying Lan, Kaiheng Sang, Fanchang Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... the reconstruction accuracy of seismic data. Then, we combine the constructed RED objective with a least-squares fidelity term to form a novel SDR model...
2022
Mitigating cycle skipping in FWI through preconditioned multidimensional optimal transport
James McLeman, Tim Burgess, Tom Rayment, Victor Chua
International Meeting for Applied Geoscience and Energy (IMAGE)
..., C. C., and M. A. Saunders, 1982a, LSQR: An algorithm for sparse linear equations and sparse least squares: ACM Transactions on Mathematical Software...
2022
A power-law fault model for Bayesian network geosteering in complex geology
Hugh Winkler
International Meeting for Applied Geoscience and Energy (IMAGE)
... of proportionality. Such a distribution is a poor fit for inversion approaches, like least-squares, that minimize the difference between a predicted well...
2022
Elastic frame moduli in a sandstone reservoir used for underground CO2 storage
Colin M. Sayers
International Meeting for Applied Geoscience and Energy (IMAGE)
... deformable than in the clean sandstones of Han (1986) at 40 MPa. This is demonstrated by the least squares fits for VCL < 0.02 shown by the full curves...
2022