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The AAPG/Datapages Combined Publications Database
Showing 1,462 Results. Searched 196,209 documents.
From outcrop to flow simulation: Constructing discrete fracture models from a LIDAR survey
Christopher E. Wilson, Atilla Aydin, Mohammad Karimi-Fard, Louis J. Durlofsky, Amir Sagy, Emily E. Brodsky, Oliver Kreylos, Louise H. Kellogg
AAPG Bulletin
... of the scan as the distance from the scanner to the roadcut increased (Figure 4A). Once acquired, a least-squares fit of common reference points unified...
2011
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
Abstract: Interpolation of Aliased Seismic Data in the Curvelet Domain; #90172 (2014)
Mostafa Naghizadeh, Mauricio D. Sacchi
Search and Discovery.com
... the inversion of the aliascontaminated scale coefficients. The mask function is incorporated into the inversion via a minimum norm least squares algorithm...
2014
Computer Contouring Packages: An Historical View
R. Bugry
CSPG Bulletin
... an inverse-distance-weighted least-squares fit of the nearest data points around the current centroid. The calculation is performed for all grid nodes...
1981
Ground Surface Monitoring for CO2 Injection and Storage
Saeed Salimzadeh, Dane Kasperczyk, Zuorong Chen, Abbas Movassagh, Elaheh Arjomand, Wen Shen (Vincent) Mow, James Kear
Australian Petroleum Production & Exploration Association (APPEA) Journal
...:10.1029/2020GL087563 Tarantola A, Valette B (1982) Generalized nonlinear inverse problems solved using the least squares criterion Reviews of Geophysics 20(2), 219. doi...
2022
Rock Physics Inversion: A Montney Case Study, #41295 (2014)
James Johnson, Lisa Holmstrom, Satwant Diocee, Rob Tilson, Sean Johnson
Search and Discovery.com
... coefficients, but instead of using a Weiner prediction filter with a least squares approximation the rank reduction method utilizes the singular value...
2014
Statistical Time-Series Analysis and Sedimentological Tuning of Bedding Rhythms in a Triassic Basinal Succession (Southern Alps, Italy)
Florian Maurer, Linda Hinnov, Wolfgang Schlager
Special Publications of SEPM
.... 522-533. LOMB, N.R., 1976, Least squares frequency analysis of unequally spaced data: Astrophysics and Space Science, v. 39, p. 447-462. MAURER, F...
2004
Determination of Paleoheat Flux from Vitrinite Reflectance Data
I. Lerche , R. F. Yarzab , C. G. St. C. Kendall
AAPG Bulletin
... this highly nonlinear least-squares problem involved a steepest descent technique in a five-dimensional parameter space: TA, TD, and three coefficients for Q...
1984
Functional Relationships of Proximate, Ultimate and Petrographic Data with Rock-Eval Pyrolysis Parameters from Coal
J.D. Yeakel
The Society for Organic Petrology (TSOP)
... and as such is more amenable to statistical modelling with other rock-based data. The multivariate least squares regression analyses of the data produced...
1994
Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia
Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran
Indonesian Petroleum Association
... traveltimes which are then evaluated for a least squares fit with the observed traveltime picks. The model is automatically updated in depth...
2000
Chemical Composition of Deep Formation Waters in Southwestern Louisiana: GEOLOGICAL NOTES
Parke A. Dickey , A. Gene Collins , Ivan Fajardo M.
AAPG Bulletin
... concentrations of chloride in formation waters. Dashed lines are least-squares fit of normally pressured waters (leaving out samples 33, 34, 35, and 36...
1972
Abstracts: Full Waveform Inversion Using One-way Migration and Well Calibration; #90173 (2015)
Gary F. Margrave, Robert J. Ferguson, and Chad M. Hogan
Search and Discovery.com
... at the well is a simple two step process where we determine a constant scalar and a constant phase rotation by least squares to match the migrated...
2015
Abstract: Model Parametrization Strategies for Newton-Based Acoustic Full Waveform Inversion; #90224 (2015)
Amsalu Y. Anagaw
Search and Discovery.com
...) methods are used for full waveform inversion. Theory Waveform inversion often uses the least-squares misο¬t deο¬ned as the l2 norm of residual between...
2015
Robust multichannel prestack AVA inversion based on elastic L1/2 norm
Nanying Lan
International Meeting for Applied Geoscience and Energy (IMAGE)
... to solve a Tikhonov regularized least squares problem, which tends to produce an oversmooth solution. This solution can fuzz sharp formation boundaries...
2023
Controls on Sediment Supply by Large Rivers
Niels Hovius
Special Publications of SEPM
... and drainage area hand have 1 Least squares regression lines can be fit to several of the For contractional settings old basin groups Fig 4 orogens...
1998
Abstract: A Joint LSPSM/Inversion Algorithm for High Resolution Time Lapse Imaging; #90187 (2014)
Abdolnaser Yousefzadeh and John C. Bancroft
Search and Discovery.com
... to the production or injection of fluids. A joint least squares Kirchhoff prestack migration (LSPSM) of both baseline and monitor data is introduced which attenuates...
2014
Lithology Prediction by Extrapolating Well Data
Brian Barley, Dean Chergotis, Mai Wilson, Susan Young
Indonesian Petroleum Association
... logs and used least squares filtering to match the seismic data (White 1980). Figure 9. Example migrated stack and synthetic seismogram at a well...
1992
Identifying and Quantifying Significant Uncertainties in Basin Modeling
Paul J. Hicks Jr., Carmen M. Fraticelli, Jennifer D. Shosa, Martine J. Hardy, Michael B. Townsley
AAPG Special Volumes
... to the calibration data using a weighting parameter related to the fit to each calibration point. Fit in this case is based on a least squares analysis...
2012
Evaluation of Two Methods for Determining Soil Gas Permeabilities from Pneumatic Tests
Xun-Hong Chen
Environmental Geosciences (DEG)
... method provides the averaged parameter values, which are considered to best fit the measured data because this technique uses the nonlinear least squares...
1997
Abstract: Automatic Velocity Model Building Using Waveform Inversion and Least Squares Reverse Time Migration; #90319 (2018)
Young Seo Kim, Ali Almomin, Yimin Sun, Woodon Jeong, Yi Luo
Search and Discovery.com
...Abstract: Automatic Velocity Model Building Using Waveform Inversion and Least Squares Reverse Time Migration; #90319 (2018) Young Seo Kim, Ali...
2018
Characterizing Multiple Formations for Gas Production and CO2 Sequestration
Adriana Gordon, Bill Goodway, Evan Mutual, Raul Cova, Scott Leaney, Wendell Pardasie, Matt Ng
Unconventional Resources Technology Conference (URTEC)
... and seismic data. The B-T method generates a smooth least squares wavelet making it an efficient and powerful tool for extracting angle-dependent wavelets...
2023
Abstract: Color Correction for Gabor Deconvolution and Nonstationary Phase Rotation; #90171 (2013)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
... of nonstationary phase rotation is conducted by least-squares analysis in Gabor windows. AAPG Search and Discovery Article #90171 CSPG/CSEG/CWLS...
2013
Abstract: Color Correction for Gabor Deconvolution and Nonstationary Phase Rotation; #90171 (2013)
Peng Cheng and Gary F. Margrave
Search and Discovery.com
... of nonstationary phase rotation is conducted by least-squares analysis in Gabor windows. AAPG Search and Discovery Article #90171 CSPG/CSEG/CWLS...
2013
Core-Calibrated Multi-Mineral Interpretation in Reservoirs with Complex Mineralogy
Mathilde Luycx, Brent Wheelock, Hanatu Kadir, Emmanuel O. Oyewole, Olabode Ijasan, Darren McLendon
Unconventional Resources Technology Conference (URTEC)
... π» ]β (6) 0β€ π£β€ 1 π»π 2 π»π π and is solved using the Bounded Variable Least Squares algorithm. By calculating π£(π) for each component π of th...
2022
Bayesian Variable Pressure Decline-Curve Analysis for Shale Gas Wells
Leopoldo M. Ruiz Maraggi, Mark P. Walsh, Larry W. Lake, Frank R. Male
Unconventional Resources Technology Conference (URTEC)
... transformation is not straightforward. Equation 4 is the least-squares regression of the cumulative production. ( ) = arg min β ; , () , The goal...
2023