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The AAPG/Datapages Combined Publications Database
Showing 1,463 Results. Searched 196,121 documents.
Seismic Trace Interpolation using Adaptive Prediction Filters
Search and Discovery.com
... least squares can be found in Honig and Messerschmidt (1984) as well as Haykin (2002) and can be summarized as follows. We first define T u(i ) = [ xi...
2013
Abstract: Harmonic Decomposition of a Vibroseis Sweep Using Gabor Analysis; #90174 (2014)
Christopher B. Harrison, Gary Margrave, Michael Lamoureux, Art Siewert, and Andrew Barrett
Search and Discovery.com
... design. The decomposition is accomplished through the use of the Gabor transform and least squares to produce broad band estimates of the fundamental...
2014
Improved Calibration of the Absolute Thermal Maturity of Coal-Sourced Oils and Gas Condensates Using PLS Regression; #10480 (2013)
R. Sykes and K.-G. Zink
Search and Discovery.com
... a new method for predicting absolute maturities of coal-sourced oils and gas condensates based on Partial Least Squares (PLS) regression. The use...
2013
Quantitative Analysis of a Cyclic Peritidal Carbonate Sequence, the Middle and Upper Devonian Lost Burro Formation, Death Valley, California--A Possible Record of Milankovitch Climatic Cycles
Wan Yang , Fraka Harmsen , Michelle A. Kominz
Journal of Sedimentary Research (SEPM)
... in the jth cycle (thickness,ij): Tcy =i=1n ·thicknessij j = 1, 2, ..., m (1) Positive least-squares regression was used by Kominz et al. (1991...
1995
Abstract: Improving Reservoir Imaging with Time-Lag Fwi in the Partitioned Zone Between Kuwait and Saudi Arabia; #91204 (2023)
Art Petrenko, Trevor Coulman, Guangfu Shao, Ibrahim Hakam, Mohammed Almutairi, Sujoy Ghose, Kai Zhang
Search and Discovery.com
... in the current study is the choice of cost-function. A conventional FWI cost-function is based on the least-squares difference between observed...
2023
Case Studies - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archies Series No. 2
Hezhu Yin
AAPG Special Volumes
... least-squares minimization approach. The number of iterations was set to five, which resulted in a relative error between ILD and ILD_C of less than 3...
2011
PETROPHYSICS OF THE MORROW FORMATION, SOUTHEASTERN NEW MEXICO
GEORGE A. HILLIS
Fort Worth Geological Society
.... The plotted data generate a gently curving, almost linear plot; the two lines are the least squares power-curve-fit lines for the data.As geologists, we...
1985
Stepwise Regression in the Earth Sciences: A Coastal Processes Example
James H. Balsillie, William F. Tanner
Environmental Geosciences (DEG)
..., Tessier, 1948; Ricker, 1973), the result is a cubic least squares regression (also termed functional regression) outcome given by: (6) d b = 1.277...
1999
CO2 Injection in Coal Seams, an Option for Geological CO2 Storage and Enhanced Coal Bed Methane Recovery (ECBM)
Ferian Anggara, Kyuro Sasaki, Hendra Amijaya, Yuichi Sugai, Lucas Donny Setijadji
Indonesian Petroleum Association
... and PL) were determined from the experimental data by a least squares fitting procedure (Busch, et al., 2003). High pressure (up to 10 MPa) Generally...
2010
A Ramboe Study of the Cape Range No. 2 Well, Exmouth Sub-Basin
R. W. T. Wilkins, G. Hladky, M. V. Ellacott, J. D. Saxby
Petroleum Exploration Society of Australia (PESA)
... materials. To evaluate the subtle spectral changes in the region of the oil window, a least squares program for the decomposition of spectra...
1988
AGES AND POSSIBLE ORIGINS OF ARCHEAN BASEMENT LITHOLOGIES FROM THE SOUTH-CENTRAL BEARTOOTH MOUNTAINS: U-PB ZIRCON AND OXYGEN-ISOTOPE EVIDENCE
Carla W. Montgomery
Montana Geological Society
.... Publ. 84, p. 45-56. York, D., 1969, Least squares fitting of a straight line with correlated errors: Earth and Plan. Sci...
1986
A Comparison between Geostatistical Inversion and Conventional Geostatistical-simulation Practices for Reservoir Delineation
C. Torres-Verdn, A. Grijalba-Cuenca, H. W. J. Debeye
AAPG Special Volumes
.... This convolution yields a numerical simulation of the poststack seismic amplitude data. A seismic residual (normally a least-squares residual...
2006
Penggunaan kaedah pengimejan keberintangan geoelektik dan isotop sekitaran dalam kajian air resapan di empangan Durian Tunggal, Melaka (IN MALAY), The use of geoelectrical imaging and stable isotope analysis in a study on the source of emerging water seepage from the Durian Tunggal dam
Rahman B. Yaccup, Wan Zakaria B. Wan Muhamad Tahir, Mohd Khalid B. Nasir
Geological Society of Malaysia (GSM)
.... LOKE,M.H. & BARKER, R.D., 1996 . Rapid least-squares inversion of apparent resistivity pseudo sections by quasi-Newton method. Geophysical Prospecting...
2002
3D Modeling Subsurface Mapping Application to Fluvial Meandering Blocky Sand 35-1 Reservoir. Nindi Oil Field. Asri Basin. South East Sumatera
Ario Arief Iswandhani
Indonesian Petroleum Association
... of the TAF to the top reservoir interval, using a least-squares interpolation of the well isochores, which was then added to the top TAF grid. A fault...
2012
Reconstruction of the Subsurface Reflected Wavefield on a Dense Grid from Multisensor Streamer Data
M. Vassallo, K. Eggenberger, D.J. van Manen, P. Watterson, A. Raskopin, A. Özbek
Indonesian Petroleum Association
... in output (in a least-squares sense). Generalized matching pursuit (GMP) (Özbek et al., 2010) is a technique able to jointly reconstruct and 3D deghost...
2013
Analysis of Time-Lapse Seismic and Production Data for Systematic Reservoir Model Classification and Assessment
Rafael Souza, David Lumley, Jeffrey Shragge, Alessandra Davolio, Denis Schiozer
Petroleum Exploration Society of Australia (PESA)
..., and improves objective function convergence in a history matching (HM) procedure when compared to a conventional least-squares optimisation approach...
2018
Ages and SR isotope systematics of Archean basementrocks from the south^central Beartooth Mountains
Carla W. Montgomery, Bruce A. Gray
Rocky Mountain Association of Geologists
...: Montana Bureau of Mines and Geology Special Publication 84, p. 45-56. York, D., 1969, Least squares fitting of a straight line with correlated errors: Earth...
1989
An Effective Physics-Based Deep Learning Model for Enhancing Production Surveillance and Analysis in Unconventional Reservoirs
Yuewei Pan, Ran Bi, Peng Zhou, Lichi Deng, John Lee
Unconventional Resources Technology Conference (URTEC)
... Smoothing and differentiation of data by simplified least squares procedures. Analytical chemistry, 36(8), 1627-1639. DOI:10.1021/ac60214a047. Sun, Q. a...
2019
Estimation of Total Organic Carbon (TOC) Content of Shale from AVO Inversion: A New Crossplot Approach Based on Zoeppritz Equations
Un Young Lim, Richard Gibson Jr., Nurul Kabir
Unconventional Resources Technology Conference (URTEC)
... with the assumption that the model parameters of the overlying limestone are known. In this paper, we apply a least-squares approach to AVO...
2019
Interpreting Inter-Well Poroelastic Pressure Transient Data: An Analytical Approach Validated with Field Case Studies
Brendan Elliott, Ripudaman Manchanda, Puneet Seth, Mukul M. Sharma
Unconventional Resources Technology Conference (URTEC)
... of Python (Jones et al., 2001). The inbuilt Sequential Least Squares Programming (SLSQP) algorithm is used to obtain the solution. A graphical way...
2019
Workflow for Nonlinear AVO Inversion to Estimate Seismic Anisotropy and Geomechanical Properties of Shale
Un Young Lim, Richard L. Gibson Jr., Nurul Kabir
Unconventional Resources Technology Conference (URTEC)
... a least-squares approach to AVO inversions with the parameterization. We consider the inverse problem as the minimization of a residual error function E...
2019
New Methods for Assessment of Permeability and Saturation-Dependent Relative Permeability in Tight Rock Samples
Sabyasachi Dash, Zoya Heidari
Unconventional Resources Technology Conference (URTEC)
... of the magnetization decay is done using Lawson and Hanson’s nonnegative least square regression method (Lawson and Hanson 1995; Aster et al. 2005...
2024
New Experimental Method for Enhanced and Fast Saturation of Irregular-Shaped Tight Rock Samples
Sabyasachi Dash, Zoya Heidari
Unconventional Resources Technology Conference (URTEC)
.... Solving Least Squares Problems. Society for Industrial and Applied Mathematics (SIAM). DOI: 10.1137/1.9871611971217. Luffel, D.L. and Guidry, F.K....
2024
The American Upper Ordovician Standard. XVII: Areal Variation of Limestone Frequencies in the Kope and Fairview Formations, Hamilton County, Ohio
Robert H. Osborne
Journal of Sedimentary Research (SEPM)
... mathematical complexity which attempt to discern systematic components of areal variation in a given data set by means of least-squares curve fitting...
1973
Weibull vs. Lognormal Distributions for Fluvial Gravels
G.M. Kondolf , A. Adhikari
Journal of Sedimentary Research (SEPM)
.... (1981) and Tappel and Bjornn (1983) calculated coefficients of determination r2 values for least-squares regression lines fitted to grain-size...
2000