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The AAPG/Datapages Combined Publications Database
Showing 1,682 Results. Searched 200,626 documents.
Subtidal Holocene Dolomite, Baffin Bay, Texas
E. William Behrens, Lynton S. Land
Journal of Sedimentary Research (SEPM)
...------------------------ least squares fit using all available data and the percent of MgCO3 in the unit cell is reported based on the ao parameter...
1972
Multivariate Analysis and Machine Learning Modeling of Permian Unconventional Decline Curve Analysis
Mei Han, Yuxing Ben, Markus Emsermann, James Cassanelli, Yongfeng Li, Stephanie Noonan, Xueying Xie, Soodabeh Esmaili, Osama Raba
Unconventional Resources Technology Conference (URTEC)
... 30,000 wells (Han et al. 2024). The algorithm minimizes the differences between observed and fitted production values using the least squares method...
2025
Can Transfer Learning Be Used to Forecast Production in Frontier Basins? A Case Study from the Powder River Basin
Dillon Niederhut, Gabriel A. Quintero
Unconventional Resources Technology Conference (URTEC)
... between parent-child relationships and co-developed well patterns. Parent wells were defined as those with at least 90 days of production history prior...
2025
Geology and Uranium Geochemistry of the Chinati Mountains Caldera, Trans-Pecos Texas
Joseph C. Cepeda, Christopher D. Henry, Timothy W. Duex
AAPG Special Volumes
... squares computer method for solving petrologic mixing programs: Geol. Soc. America Bull. v. 81, p. 1995-2008. Zielinski, R. A., P. W. Lipman, and H...
1981
Bed-Thickness Structure of Multi-Sourced Ramp Turbidites: Devonian Brallier Formation, Central Appalachian Basin
Carl N. Drummond
Journal of Sedimentary Research (SEPM)
... the direction of curvature of exponential distributions. Visual inspection coupled with least-squares analysis readily distinguishes the underlying form...
1999
Resources for Paleoceanographic and Paleoclimatic Analysis: A 6,700-Year Stratigraphy and Regional Radiocarbon Reservoir-Age (ΔR) Record Based on Varve Counting and 14C-AMS Dating for the Santa Barbara Basin, Offshore California, U.S.A.
Arndt Schimmelmann, Carina B. Lange, E. Brendan Roark, B. Lynn Ingram
Journal of Sedimentary Research (SEPM)
... for that particular level in the core (Table 2). The error in the ΔR values is based on the least-squares difference of the 14C error of the equivalent marine model...
2006
Principal Stress Ratios in Cretaceous Limestones from Texas Gulf Coast
M. Friedman , H. C. Heard
AAPG Bulletin
.... It is apparent however, when a least-squares line is passed through the midpoints of the data bars (Table 2; Figs. 2, 3). DISCUSSION OF RESULTS Although...
1974
Source and Migration of Light Hydrocarbons Indicated by Carbon Isotopic Ratios
R. H. Reitsema, A. J. Kaltenback, F. A. Lindberg
AAPG Bulletin
... of gas from canned cuttings, although there were some significant exceptions. The trend line for head space in canned cuttings, based on the least-squares...
1981
Pristane, Phytane, and Lower Molecular Weight Isoprenoid Distributions in Oils
Harold A. Illich
AAPG Bulletin
... that a large amount of the pristane is directly related to the amount of phytane present. It is noteworthy that the lines of best fit (least-squares method...
1983
The Ubiquitous Overbid
R. E. Megill, R. B. Wightman
AAPG Bulletin
... of Mexico, are omitted from the least-squares fit of the data points shown on Figure 4. The correlation coefficient for the trend line plotted is 0.65...
1984
Seismic Based Characterization of Baturaja Carbonate at 3D Topaz Area; #50531 (2012)
Indra Yuliandri, Totong Usman, and Muharram Panguriseng
Search and Discovery.com
..., U.S.A., 608 p. Lines, L.R. and S. Treitel, 1984, A review of least-squares inversion and its application to geophysical problems: Geophysical...
2012
Porosity and mineralogy in the Lajas tight gas sandstone reservoir, Neuquén Basin, Argentina
Nathan Lavauzelle, Marja Siitari-Kauppi, Paul Sardini, Didier Loggia, Juuso Sammaljärvi, Daniel Beaufort, Ana Laura Rainoldi, Daniel Minisini
Journal of Sedimentary Research (SEPM)
... image). The specific porosity of each mineral group can be estimated by the least-squares procedure (Robinet et al. 2015). This work presents...
2025
Abstract: Optimization of SAGD Process Accounting for Geological Uncertainties Using proxy Models; #90187(2014)
Eugene Fedutenko, Chaodong Yang, Colin Card, and Long Nghiem
Search and Discovery.com
... terms; and aij are the coefficients of cross (interaction) terms. The coefficients are typically estimated by the least squares fitting of the model...
2014
Forecasting the Domestic Utilization of Natural Gas in Nigeria (2015 2020)
J. J. Adaji, R. U. Onolemhemhen, S. O. Isehunwa, A. Adenikinju
Africa Energy and Technology Conference, 2016
... likely growth rate for a short-term period, using an econometric methodology of ordinary least squares and an ARIMA model, it estimates...
2016
Two- and Three-Dimensional Analysis of Structural Trends in the Santa Barbara Channel, California, USA
Enrique Novoa
Pacific Section of AAPG
.... Szatmari, S. Demercian, D. Coelho and J.A. Rici, 1993a, Least-squares palinspastic restoration of regions of normal faulting-application...
1998
Steps for Improving the Utility of Land Seismic Data for Unconventional Reservoirs
Christof Stork
Unconventional Resources Technology Conference (URTEC)
... (2006): V41V49. Herrmann, F. J., and Li, X., 2012, Efficient least-squares imaging with sparsity promotion and compressive sensing: Geophysical...
2018
Distribution Patterns and Accumulation Rates of Fine-drained Sediments in Upper Tampa Bay, Florida
Gregg R. Brooks , Larry J. Doyle , Roger Johansson , Andy Squires , Hepsi D. Zsoldos , Robert H. Byrne
GCAGS Transactions
... of a high 226Ra activity at approximately 10 cm. A least squares fit yields a sedimentation rate of 0.47 cm/yr. Old Tampa Bay Station 3 (OTB 3) had...
1991
Facies and Lithological Controls on Paleomagnetism: An Example From the Rainbow South Field, Alberta, Canada
M.T. Cioppa, J.S. Lonnee, D.T.A. Symons, I.S. Al-Aasm, K.P. Gillen
CSPG Bulletin
.... Tectonophysics, v. 149, p. 245-264. Kirschvink, J.L. 1980. The least-squares line and plane and the analysis of paleomagnetic data. Geophysical Journal...
2001
Experimental and Numerical Simulation Using X-ray Photoelectron Spectroscopy (XPS) and PHREEQC for Geochemical Interaction Effect on ScCO2-EOR and Storage in Unconventional Reservoirs
Billel Sennaoui, Hui Pu, Nuri Oncel, Mohamed Lamine Malki, Samuel Afari
Unconventional Resources Technology Conference (URTEC)
... core-level spectra were analyzed with a least-squares minimization curve fitting program. In addition, elemental compositions of calcitic/dolomitic...
2023
Assessing Regional Oil and Gas Potential
D. A. White , R. W. Garrett Jr. , G. R. Marsh , R. A. Baker , H. M. Gehman
AAPG Special Volumes
.... Although the data base is small and the variations are large, we have made a least-squares fit of the annual growth rate versus cumulative growth...
1975
Compressibility of Sandstones at Low to Moderate Pressures
I. Fatt
AAPG Bulletin
... lines, plotted as a function of reciprocal pressure. The line fitted by least squares to these data can be extrapolated to give 0.18 × 10-6 psi-1...
1958
Shallow Temperatures and Thermal Regime in the Hydrocarbon Province of Tierra del Fuego
Gary W. Zielinski , Peter M. Bruchhausen
AAPG Bulletin
... or more different depths are required) by least-squares fitting. Stepping through possible values of µ in discrete increments, a minimum root mean square...
1983
Estimating Thermal Conductivity in Sedimentary Basins Using Lithologic Data and Geophysical Well Logs (1)
FREDERIC BRIGAUD , DAVID S. CHAPMAN , and SYLVIE LE DOUARAN
AAPG Bulletin
... to various compositions. Using logarithms of conductivities, equation 7 becomes linear and least squares algorithms may be used. Table 2 lists the thermal...
1990
Chapter Nine: Inversion and Interpretation of Impedance Data
Rebecca B. Latimer
AAPG Special Volumes
... are beneficial because they are fast and they are an improvement over recursive inversions. Least-squares inversion. Least-squares inversion methods are similar...
2011
FWI for the complex Walker Ridge salt province using streamer data
Dorothy Ren, Xin He, Siyun Xu, Fei Gao, Feng Lin, Jiawei Mei
International Meeting for Applied Geoscience and Energy (IMAGE)
... the illumination power of existing data through least-squares fitting of the full-wavefield data. Reprocessing using an iterative TLFWI and FWI-guided...
2022