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The AAPG/Datapages Combined Publications Database
Showing 1,682 Results. Searched 200,673 documents.
Mineral-chemistry quantification and petrophysical calibration for multimineral evaluations: A nonlinear approach
Douglas K. McCarty, Paul N. Theologou, Timothy B. Fischer, Arkadiusz Derkowski, M. Rebecca Stokes, and Ann Ollila
AAPG Bulletin
... distribution of trace elements can be performed using the non-negative least squares method. Here the measurement response coefficients for the trace...
2015
Identification and Quantification of Parasequences Using Expectation Maximization Filter: Defining Well Log Attributes for Reservoir Characterization
Saurabh Sinha, Raj Kiran, Javier Tellez, Kurt Marfurt
Unconventional Resources Technology Conference (URTEC)
... wells in the area of interest. We then use Least- squares fit to obtain slopes of these parasequences. Furthermore, we map these slopes and compare them...
2019
CSPG/CSEG/CWLS GeoConvention 2012, May 14-18, 2012 Calgary TELUS Convention Centre & ERCB Core Research Centre, Calgary, Alberta, Canada; - Abstracts, #90174 (2014).
Search and Discovery.com
2014
Geochemistry of CO2 sequestration in the Jurassic Navajo Sandstone, Colorado Plateau, Utah
W. T. Parry, Craig B. Forster, J. P. Evans, Brenda Beitler Bowen, Marjorie A. Chan
Environmental Geosciences (DEG)
... reflected light. The modal mineralogical composition of Navajo Sandstone samples was calculated using a linear, least-squares fit of whole-rock...
2007
Gas Sorption on Coal and Measurement of Gas Content: Chapter 9
Dan Yee, John P. Seidle, William B. Hanson
AAPG Special Volumes
..., equation 1 is usually written as [EQUATION (7)] so a linear least squares fit of P/V versus P gives the constants b and VM as the slope and intercept...
1993
Three-Dimensional Gravity Modelling of Sedimentary Basins
R. Wood, D. Woodward
Petroleum Exploration Society of Australia (PESA)
..., 391-399. RAMILLIEN G. & WRIGHT I.C. 2000. Predicted seafloor topography of the New Zealand region: a non-linear, least squares inversion of satellite...
2001
Evaluating the Performance of Decline Curve Analysis Equations During the Early Life of a Well Through the Quantification of the Uncertainty Associated with the Estimated Ultimate Recovery in a Shale Oil and Gas Formation
Agustín Terminiello, Pablo Crespo, Matías Nasca
Unconventional Resources Technology Conference (URTEC)
... history solving a nonlinear least-squares problem. The objective function is minimized using the trust-region-reflective algorithm which is available...
2020
THIN-SKINNED NORMAL FAULTS IN DEERLICK CREEK COALBED-METHANE FIELD, BLACK WARRIOR BASIN, ALABAMA
Saiwei Wang, Richard H. Groshong. Jr., Jack C. Pashin
Alabama Geological Society
... data from more than two horizons are available, the points are fit by a least-squares straight line. The slope of the line is the displacement...
1993
Simultaneous Calculation of Archie Parameters m, n, and a
Scott M. Frailey, George B. Asquith, George A. Anderson, Paulus S. Adisoemarta
West Texas Geological Society
... to solve for m, n and a simultaneously, values for Sw,?, Rw and Rt are required. The equations for minimum least squares (LSQ) derived...
2002
Geostatistical and Flow Modeling of Intrareservoir Mudstones
Christopher D. White
Special Publications of SEPM
... is parameterized on shale thickness divided by shale permeability. This response model is a linear least-squares polynomial fit to the effective...
2004
Accelerating innovation with software abstractions for scalable computational geophysics
Mathias Louboutin, Philipp Witte, Ali Siahkoohi, Gabrio Rizzuti, Ziyi Yin, Rafael Orozco, Felix J. Herrmann
International Meeting for Applied Geoscience and Energy (IMAGE)
... as simple least-squares optimization problem for the non-linear wave-equation represented as an abstract matrix A(m) parametrized by the model parameter m...
2022
Rheological and Chemical Properties of Alaska Heavy Oils
Matthew W. Liberatore, Andrew M. Herring, Kejing Li, Ala Bazyleva, Babajide Akeredolu, Manika Prasad, Michael Batzle
Unconventional Resources Technology Conference (URTEC)
... variables (X matrix) and correlated with viscosities (Y matrix) using partial least squares regression analysis (PLSRA) with full cross validation...
2013
Extension of the Western Transverse Ranges Zone of Cenozoic Block Rotations North of the Santa Ynez Fault, California
Katherine J. Whidden, Steve P. Lund, David J. Bottjer
Pacific Section SEPM
...-determined linear segments of the characteristic remanence, or by least squares line fitting. In some cases, a stable end point was chosen...
1995
Coherence Attribute Applications on Seismic Data in Various Guises
Satinder Chopra, Kurt Marfurt
Unconventional Resources Technology Conference (URTEC)
..., Technische Universiteit Delft. Bednar, J. B., 1998, Least-squares dip and coherency attributes: The Leading Edge, 17, 775–776. Bulhoes, E. M., 1999, Tecnica...
2018
Enhancing Fault Interpretation Through Broadband Processing and Diffraction Imaging: The First and Successful Experience from Madura Offshore Area
Pongga Wardaya, Rino Saputra, Syaeful Amin
Indonesian Petroleum Association
... is then used for removing the ghost reflection from the data via a least squares inversion scheme. Both shot and receiver deghosting are applied in this study...
2018
Autoregressive and Machine Learning Driven Production Forecasting - Midland Basin Case Study
I. Gupta, O. Samandarli, A. Burks, V. Jayaram, D. McMaster, D. Niederhut, T. Cross
Unconventional Resources Technology Conference (URTEC)
... equations (e.g., hyperbolic) using a least-squares or some other error-minimizing algorithm. While these approaches are frequently used...
2021
The Influence of Areal Trends on Correlations Between Sedimentary Properties
W. C. Krumbein, Thomas A. Jones
Journal of Sedimentary Research (SEPM)
... illustrative example, we fitted linear least-squares surfaces to the maps of Figure 1, as shown in Figure 2. Table 1 lists the observed data...
1970
New Methods for Assessment of Permeability and Saturation-Dependent Relative Permeability in Tight Rock Samples
Sabyasachi Dash, Zoya Heidari
Unconventional Resources Technology Conference (URTEC)
... the prediction of the primary recovery of hydrocarbons from reservoirs as well as the ability to exploit reserves successfully. The fluid-flow...
2024
Bulk Density--Water Content Relationship in Marine Silts and Clays
Adrian F. Richards, Terrence J. Hirst, James M. Parks
Journal of Sedimentary Research (SEPM)
... (Eq. 3) for all the data shown in Figure 1. The regression equation for the computer-drawn linear least-squares line fitted to these data is: e...
1974
Oriented Core: Its Use, Error, and Uncertainty
R. A. Nelson , L. C. Lenox , B. J. Ward, Jr.
AAPG Bulletin
... for four zones from one oriented core. The best-fit method used in this study was a linear least-squares approach. In zones of distinctly nonlinear data...
1987
Petrography and Reservoir Physics II: Relating Thin Section Porosity to Capillary Pressure, the Association Between Pore Types and Throat Size (1)
CATHERINE A. MCCREESH , ROBERT EHRLICH , and STERLING J. CRABTREE
AAPG Bulletin
... shape of the distributions. These relationships, based on least squares regression, are averages, and predicted saturation values generally...
1991
A NEW TECHNIQUE FOR 3-D FLEXURAL-SLIP RESTORATION, P.A. Griffiths et. al., #40038
Search and Discovery.com
N/A
Proxy Modelling for Multi-Well Simulations: Enabling Identification of Major Input Variables and Reduced Computation Time over Monte Carlo Sampling
Thomas A. McCourt, Ryan Blackmore, Iain Rodger, Suzanne Hurter, Bevan Thompson, Mark Reilly, Diane Donovan
Australian Petroleum Production & Exploration Association (APPEA) Journal
... e a Àj j e 448 The APPEA Journal T. A. McCourt et al. which has the ordinary least-squares solution ðZ T ZÞÀ1 Z T Y where ðZ T ZÞÀ1...
2019
Calculation of Vitrinite Reflectance from Thermal Histories: A Comparison of Some Methods
David W. Morrow, Dale R. Issler
AAPG Bulletin
... a least squares fit to the tabulated TTI-%Ro values of Waples (1980) with correlation End_Page 611------------------------------ coefficient of 0.99...
1993
GEO 2008 - Middle East Conference and Exhibition, March 2-5, 2008, Manama, Bahrain - Abstracts, #90077 (2008)
Search and Discovery.com
2008