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The AAPG/Datapages Combined Publications Database
Showing 1,680 Results. Searched 200,357 documents.
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
Estimating Parameters for Hierarchical Permeability Correlation Models
Zhenxue Dai, Robert W. Ritzi Jr., David F. Dominic
Special Publications of SEPM
..., and transition probabilities. We adopt a least-squares estimation criterion and use the Levenberg–Marquardt method. We impose constraints so...
2004
Coherent attribute enhanced fault recognition method based on histogram homogenization
Qing Zhou, Rui Wu, Chengcheng Xu, Yong Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... REFERENCES Bednar, J. B., 1998, Least-squares dip and coherency attributes: The Leading Edge, 17, 775–776, doi: https://doi.org/10.1190/1.1438051...
2024
Perspectivities in the Solar System: DISCUSSION
D. H. Hall
CSPG Bulletin
... relation, is a hyperbola rather than a logarithmic curve as stated. A least squares best-fit of (1) to the points plotted in Fig. 5 gives, with x...
1961
Seismic Foldout: Potential Prospectivity Identified in the Orphan Basin
Yermek Balabekov, Yang Yang, Sriram Arasanipalai, PGS Ultima
GEO ExPro Magazine
... to the main products. Text: Yermek Balabekov, Yang Yang, Sriram Arasanipalai; PGS Full Waveform Inversion (FWI) followed by Least-Squares Migration (LSM...
2022
Borehole gravity in Horizontal Wells
Andrew J. Black, Jennifer Hare
Petroleum Exploration Society of Australia (PESA)
... straightforward involving a linear least squares fit of repeated measurements at the gravity stations but these tend to involve most processing time...
2018
Production Allocation and Fluid Fingerprinting in Conventional Reservoirs
Craig D. Barrie, Eric Michael
GEO ExPro Magazine
... contributions by solving equations (e.g. least squares best fit) and uncertainty estimation NO “ONE SIZE FITS ALL” APPROACH The primary output from...
2023
COMPUTER TECHNOLOGY
Brian Shaw
Journal of Sedimentary Research (SEPM)
... is a difficult problem that has not found a completely satisfactory olution. Two methods, maximum likelihood calculations and non-linear least squares, have...
1981
Abstract: Towards Using Harmonic Noise to Image Shallow Thin Reflectors; #90187 (2014)
Christopher B. Harrison, Gary Margrave, Michael Lamoureux, Art Siewert, Andrew Barrett, and Helen Isaac
Search and Discovery.com
... of algorithms that decomposed harmonics from a single vibrator sweep. The Gabor transform and least squares methodology were used by Harrison et al. (2012...
2014
Microseismic Monitoring of a Multi-Stage Fracture in the Bakken Formation, SE Saskatchewan; #51061 (2015)
Rob Kendall
Search and Discovery.com
... the 12, 3-component array centered on the Bakken. Figure 5. Microseismic events as shown in top view (left) and side view (right). A least squares...
2015
Decline Curve Analysis in Vaca Muerta with Choke Size Normalization of Gas Rates
Mohamed Bennis, Juan Gellert, Martín Nougués, Pablo Crespo
Unconventional Resources Technology Conference (URTEC)
... are then inputted for DCA. Using a least-squares linear regression method, a Duong model is fitted to the normalized gas rates for each well. Figure 5...
2020
The Earths radial conductivity model derived from the latest CSES and Swarm satellite data
Mingquan Lai, Xiuyan Ren, Changchun Yin, Yunhe Liu, Bo Zhang, Yang Su
International Meeting for Applied Geoscience and Energy (IMAGE)
... into frequency domain using a Fourier transform. Then, by applying the segmented averaging method (Semenov & Kuvshinov, 2012) and the robust least-squares...
2023
Using Fluid-Induced Microseismics to Image Permeability
Andrew King, Tobias Müller
Unconventional Resources Technology Conference (URTEC)
... consisting of a least-squares fit to the pressure or virtual pressure observations along with any prior information we have. (In the examples shown...
2016
Abstract: High Resolution 5D Interpolation: Measuring and Compensating for 5D Leakage; #90174 (2014)
Peter Cary and Mike Perz
Search and Discovery.com
... interpolation (Trad, 2009) generates the new data by using two constraints, a least-squares fitting constraint on the input data and a weighted L2-norm...
2014
Robust phase-driven time warping FWI for salt reconstruction
Guanghui Huang, Alejandro Alcudia-León, Jaime Ramos-Martínez, Nizar Chemingu
International Meeting for Applied Geoscience and Energy (IMAGE)
... for overcoming cycle-skipping, to conventional least-squares FWI aimed at refining the velocity field. Our new approach prioritizes phase alignment between...
2024
Verification of Tortuosity Equations: GEOLOGICAL NOTES
S. R. Faris , L. S. Gournay , L. B. Lipson , T. S. Webb
AAPG Bulletin
... distribution data for the samples. The data of columns 7 and 8 were used to obtain a least-squares solution for the relationship between T and F^phgr...
1954
Multicomponent seismic data vector reconstruction via quaternionic matrix factorization
Yonghai Fu, Jianjun Gao, Wenbo Sun, Yandong Wang, Fan Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... problem can be solved via the quaternion alternating least-squares algorithm (Xu and Mandicz, 2015). The solution of equation (8) is as follows, Al +1...
2023
Assessment of a Marcellus Shale Prospect Using Seismic, Microseismic, and Completions Data
Scott Singleton, Mark Suda
GCAGS Transactions
... then is to determine the weight values. This is most commonly done using a least-squares approach. Non-linear methods do not assume...
2012
Problem Areas in Interpretation of Pressure Measurements in Thin and Multi-Layered Reservoirs
C. Fraisse, B. Simon, B. Seto, D. Nardio, J. Pouzet, Y. Grosjean
Indonesian Petroleum Association
..., the aquifer pressure gradient was calculated from these points using the least squares method. For all the other wells a "mean" Tunu aquifer pressure...
1987
Robust reconstruction via orthogonal matching pursuit with Fourier operators
Ji Li, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
..., or l1 ). The fitting stage is implemented via Iterative Reweighed Least-Squares (IRLS) method (Holland and Welsch, 1977). We then transfer the optimized...
2022
Reflection waveform inversion assisted by full-wavefield imaging
Mikhail Davydenko, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
...-FWI), where inversion-based imaging explains the reflection data by estimating the reflectivity model. The least-squares reverse-time migration (LSRTM...
2022
The Isotopic Age of the Flathead Sandstone (Middle Cambrian), Montana: NOTES
Sambhudas Chaudhuri, Douglas G. Brookins
Journal of Sedimentary Research (SEPM)
... method with a resultant age of 555 ± 18 m.y. and initial Sr (87/86) of 0.7183 ± 0.001 as determined by least squares analysis. A single Rb-Sr age...
1969
New Joint Categorical/Continuous Simultaneous Inversion Technology (Paper C9)
M. Kemper
Geological Society of Malaysia (GSM)
... the synthetic seismic Spp(θ) so obtained with the real seismic Sreal(θ). Use some optimization apparatus (e.g. the conjugate gradient method, or least squares...
2012
3-D Tomographic Amplitude Inversion for Compensating Transmission Losses in the Overburden
Barry Hung, Kefeng Xin, Sergey Birdus, James Sun
Indonesian Petroleum Association
... such as least-squares conjugate gradient method. The resulting βijk is then used to compensate for the attenuation occurred in the ijkth cell...
2009
Enhanced ray-based tomography method
Jonathan Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... linear equations and least-squares problems: TOMS, 8, no. 2, 195–209. Zhou, H.-W., 2003, Multiscale traveltime tomography: Geophysics, 68, 1639–1649...
2024