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The AAPG/Datapages Combined Publications Database
Showing 1,682 Results. Searched 200,625 documents.
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
Pengukuran kemasinan air tanah di dataran pantai Pekan-Nenasi, Pahang dengan teknik geoelektrik dan geokimia (IN MALAY), Groundwater salinity measurments at Dataran Pekan-Pantai Nenasi, Pahang using geochemical and geoeletrical techniques
Umar Hamzah, Abdul Rahim Samsudin, Ismail C. Mohamad, Norhafizi Khalid, Shahimi Sali
Geological Society of Malaysia (GSM)
.... Proceedings Annual Geological Conference, Pangkor, Perak, Persatuan Geologi Malaysia, 197-204. LoKE, M.H. AND BARKER, R.D., 1995. Least-squares deconvolution...
2003
Pencirian geologi kejuruteraan dan geofizik batuan formasi Kenny Hill di tapak Kamsis H, Universiti Kebangsaan Malaysia (IN MALAY), Engineering geological and geophysical characterization of rocks of the Kenny Hill formation at Kamsis H, Universiti Kebangsaan Malaysia
Lakam anak Mejus, Abdul Ghani Rafek, Abdul Rahim Samsudin, Umar Hamzah, Rahman Yaccup
Geological Society of Malaysia (GSM)
... Sarjana Sains, Universiti Kebangsaan Malaysia, Bangi (tidak diterbitkan). LOKE, M.H. AND BARKER, R.D., 1995. Least-Squares Deconvolution of Apparent...
2003
Rooting Against a Recovery?
Russell Evans
Oklahoma City Geological Society
... specific economic influences, and ∈, a random error term. Brown estimates this model in a two-stage least squares framework to account for potential...
2016
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
Use of Automatic Moment Tensor Inversion in Real Time Microseismic Imaging
Michael Kratz, Michael Thornton
Unconventional Resources Technology Conference (URTEC)
... and Richards, 1980). A least squares inversion (Sipkin, 1982) is utilized for the full moment tensor solution. This provides a general fit solution...
2015
Spatially varying Chi volumes: A study in offshore Australia on background trend calculation from the Shuey two-term approximation
Hayden Powers, Noah R. Vento
International Meeting for Applied Geoscience and Energy (IMAGE)
... for the FPC algorithm. Other regression methods—least-squares, Random Sample Consensus (RANSAC), and variations of root mean square (RMS)— were tested...
2023
Joint 4D full-waveform inversion using enhanced template-matching objective function
Gaurav Dutta, Emmanuel Saragoussi, Xin Cheng, Markos Sourial, Yongbo Zhai, Chirag Parekh, Denes Vigh
International Meeting for Applied Geoscience and Energy (IMAGE)
... and has better resolution than the 4D RTM difference due to the enhancement in bandwidth obtained due to the non-linear least-squares approach...
2023
Geometry and Fractal Characteristics of the Sumatra Active Fault
Sigit Sukmono, M. T. Zen, W. G. A. Kadir, Lilik Hendrajaya, Djoko Santoso
Indonesian Petroleum Association
...-line least squares fit to these data and range from 1.00 ± 0.03 to 1.24 ± 0.03. For 1 < D < 2 one cannot consider the fault as a plane; one has...
1995
Fracture Stimulation of the Eagle Sandstone on the Cedar Creek Anticline
Trent Green, Monte Besler, Dennis Zander
Rocky Mountain Association of Geologists
... is even better than AOF testing predicted. 35,000 Median Offset Well AOF 30,000 25,000 20,000 15,000 10,000 Observed Least Squares Fit 5,000 0...
1997
Groundwater Investigation Using Electrical Resistivity Imaging Technique at Sg. Udang, Melaka, Malaysia
Zeinab Asry, Abdul Rahim Samsudin, Wan Zuhairi Yaacob, Jasni Yaakub
Geological Society of Malaysia (GSM)
..., M.H. & Barker, R.D., 1995. Least-squares deconvolution of apparent resistivity pseudosections. Geophysics, 60: 1682–1690. Loke, M.H., 1997...
2012
Geothermal Variations in Oil Fields of Los Angeles Basin, California
Anders J. Carlson
AAPG Bulletin
...-temperature values. The mean gradient for a certain depth interval is derived by the method of least squares,(FOOTNOTE 1) on the assumption...
1930
Comparison of Magnetic Vector Inversion With Sparse Norm Susceptibility Inversion Accounting for Demagnetization
John M. Weis, Lindsey J. Heagy, Douglas W. Oldenburg
International Meeting for Applied Geoscience and Energy (IMAGE)
... and smoothness terms in equation 4. To apply these norms we use the iteratively re-weighted least squares approach of Fournier and Oldenburg (2019...
2023
Geotechnical Properties of Continental Slope Deposits Cape Hatteras to Hydrographer Canyon
George H. Keller, Douglas N. Lambert, Richard H. Bennett
Special Publications of SEPM
... of the sediment is greater than the slope i the two lines will never intersect and infinite sediment angle Least squares lines of 12 versus depth...
1979
Application of New Type Curves Using Fractal Concept for Analyzing the Interference Test Data in Dieng Geothermal Reservoir
Doddy Abdassah, I. Nengah Suabdi, Leksono Mucharam, R. Sumantri
Indonesian Petroleum Association
... the following equation: Equation (19) is valid for positive skin factor and it is obtained from a least squares fit. Figure 3 presents a new type curve...
1995
Convolution model theory-based intelligent AVO inversion method for VTI media
Yuhang Sun, Yang Liu, Hongli Dong
International Meeting for Applied Geoscience and Energy (IMAGE)
... or the least squares theory to optimize elastic parameters, aligning the synthesized seismic data with the field seismic data (Hu et al., 2011; Chen et al...
2023
Elastic FWI imaging of a complex presalt structure using NATS data
Arthur Henrique, Luiz Felão, Sergio Barragan, Florian Jouno
International Meeting for Applied Geoscience and Energy (IMAGE)
... of conventional FWI based on a least-squares cost function, which is prone to cycleskipping and amplitude discrepancies between observed and Third International...
2023
Mapping of Rock Property Changes in Space and Time Using Microseismic Data through Full-Waveform Inversion
Jyoti Behura
Unconventional Resources Technology Conference (URTEC)
... (Figure 2d) from the processed microseismic data in Figure 4. The gradient of the least-squares objective function is efficiently computed using...
2016
Pyseis: A high-performance, user-friendly Python package for GPU-accelerated seismic modeling and subsurface imaging
Stuart Farris, Guillaume Barnier, Ettore Biondi, Robert Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... advanced algorithms such as full waveform inversion, least-squares reverse time migration, and wave equation migration velocity analysis. Temporal...
2023
Impact of Seismic Attenuation on Downhole Microseismic Moment Tensor Inversion
Donghong Pei, Natalia Verkhovtseva, Jon Doucette, Price Stark
Unconventional Resources Technology Conference (URTEC)
... No. 17. Pei, D. and Warpinski, N.R. 2015. Downhole Microseismic Moment Tensor Inversion by Damped Least-Squares. Presented at the 85th Annual...
2016
Isotope Geochemistry of Regionally Extensive Calcite Cement Zones and Marine Components in Mississippian Limestones, New Mexico
William J. Meyers, Kyger C. Lohmann
Special Publications of SEPM
... at the 95% confidence level for FeO and MnO is approximately 0.005 wt.%, and for MgO is 0.015 wt.%. Volatilization during analysis was evaluated with least...
1985
A Critical Review on Microbial Enhanced Oil Recovery Using Artificial Sandstone Core: Mathematical Model
Farizal Hakiki
Indonesian Petroleum Association
... and are determined simultaneously by the least squares method based on experimental data. Viscosity Model Pelofsky’s viscosity correlation is seen in Equation (5...
2014
Stress State Derived from Microseismicity Induced by Hydraulic Fracturing: Downhole and Surface Monitoring
Zuzana Jechumtálová, František Stanĕk, Leo Eisner, G.Randy Keller
Unconventional Resources Technology Conference (URTEC)
...ed to increase (by a factor 2) the importance of the clear P-wave amplitudes and compensate for the larger S-wave amplitudes in the least-squares inversi...
2016
A Pressure Transient Technique for Monitoring Waterfloods
Jeff Spath
Indonesian Petroleum Association
...: Since we know M/(M-1) and sa from our previous analysis we can estimate sv (say through the method of least squares) that would give us a straight...
2000
Horizon Modeling using a Three-Dimensional Fault Restoration Technique
Karen S. Hoffman, John W. Neave
Indonesian Petroleum Association
... and contouring two-dimensional surfaces. Gridding techniques such as minimum tension, least squares, or nearest neighbor are among the most popular, as well...
2000