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The AAPG/Datapages Combined Publications Database
Showing 2,819 Results. Searched 200,293 documents.
A study on lossy compression for background wavefield storage in LSM
Átila Saraiva Quintela Soares, Mauricio Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... performance bottleneck consists of the requirement to preserve the forward background wavefield for computing the gradient via the adjoint state method during...
2024
Seismic Foldout: Cryptic Seismic Clues: Hunting for another Source Rock in the South Atlantic
Neil Hodgson, Lauren Found, Karyna Rodriguez, Searcher
GEO ExPro Magazine
... for a conjugate leap from the significant discoveries of Namibia’s Orange Basin to the unexplored Pelotas Basin of Southern Brazil and Uruguay is upon us...
2023
Abstract: Spatial distribution and grades of conjugate veins associated with mesothermal saddle reef gold mineralization, The Ovens, Nova Scotia: implications for an open pit resource
Donnette M. Mugridge
Atlantic Geology
...Abstract: Spatial distribution and grades of conjugate veins associated with mesothermal saddle reef gold mineralization, The Ovens, Nova Scotia...
2000
Central Atlantic Conjugate Margin Development: Paleoreconstructions, Basin Evolution, and Implications for Hydrocarbon Exploration; #90131 (2011)
Paul J. Post, Erin T. Elliott, William G. Dickson, and Mark E. Odegard
Search and Discovery.com
...Central Atlantic Conjugate Margin Development: Paleoreconstructions, Basin Evolution, and Implications for Hydrocarbon Exploration; #90131 (2011...
2011
The in situ Stress Field of the Cooper Basin and its Implications for Hot Dry Rock Geothermal Energy Development
S. D. Reynolds, S. D. Mildren, R. R. Hillis, J. J. Meyer
Petroleum Exploration Society of Australia (PESA)
... Basin, an area with a high geothermal gradient. The in situ stress field and natural fracture network are critical to the design of the subsurface...
2004
Determination of Well Productivity Using Pump Downtime Data
Jeff Spath
Indonesian Petroleum Association
... to facilitate the matching. Either the modified Newton-Raphson or conjugate-gradient approach is suggested, given the monotonically increasing relationship...
2000
Abstract: Isotopic Evidence for Km-Scale Vertical Fluid Flow, Elk Hills, CA, by J. R. Wood; #91012 (1992).
Search and Discovery.com
1992
Structural Modelling of a Fractured Carbonate Reservoir Analogue: A Structural and Numerical Understanding of a Conjugate Fracture Network with an Application to Fluid Flow and Cave System Development, #42327 (2018).
Quinten Diede Boersma, Hilario Bezerra, Giovanni Bertotti
Search and Discovery.com
...Structural Modelling of a Fractured Carbonate Reservoir Analogue: A Structural and Numerical Understanding of a Conjugate Fracture Network...
2018
Defining Frontier Petroleum Systems with Higher Granularity: Examples from Plate Reconstructions of the Atlantic Margins; #30337 (2014)
William Dickson, Craig F. Schiefelbein, Mark E. Odegard, and John E. Zumberge
Search and Discovery.com
... generation. Our poster presents snapshots from an ongoing project that addresses both shortcomings with examples from the South Atlantic conjugate margins...
2014
Oblique Convergence During Northeast-Southwest Laramide Compression Along the East-West Owl Creek and Casper Mountain Arches, Central Wyoming
Philipp C. Molzer, Eric A. Erslev
AAPG Bulletin
.... In the eastern Owl Creek Mountains, average slip directions given by slickenline directions trend from N37°E to N57°E. Geometric analysis of conjugate...
1995
A gradient-free Bayesian full-waveform inversion approach for background model uncertainty quantification
Shuhua Hu, Zeyu Zhao, Fuchun Gao, Faqi Liu, Shuo Zhang, Mrinal K. Sen
International Meeting for Applied Geoscience and Energy (IMAGE)
... MCMC sampling possible. In this abstract, we present a gradient-free FWI method in Bayesian inference framework as Figure 1 shows. We use DCT-based...
2024
Abstract: 3D Focusing Inversion of Multi-transient EM Data in the Frequency Domain; #90171 (2013)
Guangpin Li, Johnathan Linfoot, and Bruce Hobbs
Search and Discovery.com
... the re-weighted conjugate gradient algorithm to solve the minimization problem (2) (Zhdanov et al., 2008). As EM resolution decreases rapidly with depth...
2013
Scale reduction using magnetotellurics a mineral exploration example from the Olympic Domain, South Australia
Stephan Thiel, Kate Robertson, Wenping Jiang
Petroleum Exploration Society of Australia (PESA)
.... Preliminary results of the 3D inversion of all MT stations using a smooth non-linear conjugate gradient algorithm (Egbert and Kelbert, 2012; Kelbert et al...
2019
Abstract: How conjugate margins enhance our understanding of lithospheric processes while reducing risk in frontier exploration
Douglas A. Paton, Paul Markwick, Mohamed Gouiza, Estelle Mortimer, Karyna Rodriguez
Atlantic Geology
...Abstract: How conjugate margins enhance our understanding of lithospheric processes while reducing risk in frontier exploration Douglas A. Paton...
2018
Abstract: Robust Singular Spectrum Analysis for Erratic Noise Attenuation; #90187 (2014)
Ke Chen and Mauricio D. Sacchi
Search and Discovery.com
... Gaussian noiseleast squares (CGLS) algorithm (??). Our synthetic and real by the Conjugate Gradient but it cannot eliminate erratic noise (non...
2014
Basin architecture from high-resolution gravity gradient, magnetic, and seismic data, King Sound, Canning Basin, Western Australia
Peter Kovac, Sharon Lowe, Tony Rudge, Carlos Cevallos, Jurriaan Feijth, Lynsey Brett
AAPG Bulletin
...Basin architecture from high-resolution gravity gradient, magnetic, and seismic data, King Sound, Canning Basin, Western Australia Peter Kovac...
2013
H. Arbuckle Gas Field, Colusa County, California: Occurrence of Natural Gas in Mesozoic Rocks of Northern California
Richard H. Vaughan
AAPG Special Volumes
... at a depth of 7,145 ft in the Cretaceous. The pressure gradients have ranged from hydrostatic gradient (0.44 psi/ft) in the Pliocene beds to gradients...
1968
One-way full-waveform inversion using frequency-domain model extension
Rustam Akhmadiev, Biondo Biondi, Robert G. Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... gradient method (Fletcher and Reeves, 1964). The spline grid spacing for slowness model used in the inversion is refined at different stages as listed...
2024
High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration
Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen
AAPG Bulletin
... the stacked gradient during iterations, the proposed method updates the reflectivity model in the subsurface half-opening angle domain and then applies...
2024
Abstract: Uncertainty Space for Microseismic Event Locations using a Double Difference Algorithm; #90174 (2014)
Timur Mukhtarov
Search and Discovery.com
... equations for all selected event pairs, is solved using LSQR conjugate gradient algorithm of Paige and Saunders (1982). LSQR is well suited for large...
2014
Hot Enough for Ya? Compilations of Heat Flow Values and Source Rock Data Along the Western Central Atlantic Margin, #30170 (2011)
William Dickson, Janice M. Christ
Search and Discovery.com
... Atlantic to the northern boundary of Mauritania on the conjugate margin. We see reduced but adequate merit along the US margin north of the KFZ...
2011
Well Performance Prediction in Montney Formation Using Machine Learning Approaches
Hamid Rahmanifard, Hamzeh Alimohammadi, Ian Gates
Unconventional Resources Technology Conference (URTEC)
..., including BFGS quasi-newton (bfg), Bayesian regularization (br), conjugate gradient with Powell/Beale restarts (cgb), Fletcher-Powell conjugate gradient...
2020
Abstract: Delineating Compressional Structures Through Refined Geosteering Methods; #90308 (2017)
Chad Koury
Search and Discovery.com
.... To more acutely determine the cross-sectional profile of these geologic structures, I developed a method whereby an algorithm is used to project...
2017
Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)
Aaron Stanton
Search and Discovery.com
..., J. A., 1987, Tomographic inversion via the conjugate gradient method: Geophysics, 52, 179–185. Wang, J., 2005, 3-d least-squares wave-equation avp...
2015
Quantitative seismic interpretations to detect biogenic gas accumulations: a case study from Qaidam Basin, China
Yexin Liu, Zhuoheng Chen, Liqun Wang, Yongshu Zhang, Zhiqiang Liu, Yanhua Shuai
CSPG Bulletin
... Convention, Calgary, Alberta, Canada. Liu, Y.X. and Chen, Z, 2011. A non-linear conjugate gradient method to solve for Vp, Vs and density from seismic...
2015