Welcome to the new Datapages Archives
Datapages has redesigned the Archives with new features. You can search from the home page or browse content from over 40 publishers and societies. Non-subscribers may now view abstracts on all items before purchasing full text. Please continue to send us your feedback at emailaddress.
AAPG Members: Your membership includes full access to the online archive of the AAPG Bulletin. Please login at Members Only. Access to full text from other collections requires a subscription or pay-per-view document purchase.
Welcome to the new Datapages Archives
Search Results > New Search > Revise Search
The AAPG/Datapages Combined Publications Database
Showing 1,682 Results. Searched 200,626 documents.
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
Hybridised Weighted Boot-Strap Differential Semblance
Hamish Wilson, Lutz Gross
Petroleum Exploration Society of Australia (PESA)
...; Fomel, 2007b; Liu et al., 2014; Chen et al., 2015) in which we obtain the local similarity through solving a least-squares problem with shaping...
2016
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
Identifying Re-Stimulation Effectiveness by Utilizing Microseismic Attributes
M. Preiksaitis, A. Baig, S. Bowman-Young, T. Urbancic
Unconventional Resources Technology Conference (URTEC)
...ate an Energy Index model was performed using the both the initial and refrac datasets. This least squares fit model can then be applied to each ev...
2016
The effects of marine currents on seismic data
Gary Hampson
International Meeting for Applied Geoscience and Energy (IMAGE)
... also be used in least squares migration or full waveform inversion and in principle it accommodates multiples. However, since the Doppler effect...
2024
Global Sea-Level Changes During the Past Century
Vivien Gornitz, Sergej Lebedeff
Special Publications of SEPM
... contributing stations by distance from a given cell and relative coastal area. A least-squares regression line is then fitted to the composite regional sea...
1987
Upside down Rayleigh-Marchenko imaging: an application to the Volve ocean-bottom cable data
Ning Wang, Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
...d (−xR , xF ). The resulting equations, which contain only two unknowns (i.e., the focusing functions), can be now solved by means of the least-square...
2024
AEM, Seismic and Power-lines: A hydrogeological case study in Peel, Western Australia
Andrew Pethick, Brett Harris, Olga Barron
Petroleum Exploration Society of Australia (PESA)
.... 5. 6. 7. 8. 1D inversion algorithm (See Raiche et al., 1999 and Raiche et al., 1985). This algorithm uses an SVD non-linear least-squares...
2019
Improved interpretability from elastic full-waveform inversion model-based seismic images revitalizes Paleogene development in the Gulf of Mexico
Abhijit Gangopadhyay, Li Jiang, Robert Chrisman, Sanjay Banerjee, Han Su, Bin Deng, Bharat Bonala, Jiawei Mei
International Meeting for Applied Geoscience and Energy (IMAGE)
... 3i) better reveals the geologic features in the low-illumination zones and shows an improved S/N around the Paleogene because of the iterative least...
2024
Magnetic Stratigraphy and Tectonic Rotation of the Upper Paleocene Pattiway Formation, Caliente Range, San Luis Obispo County, California
Donald R. Prothero, Robert B. Vacca
Pacific Section SEPM
... of America Bulletin, v. 97, p. 1476-1487. Kirschvink, J. L., 1980, The least-squares line and plane and the analysis of paleomagnetic data: examples...
2001
Paleomagnetism of the Upper Paleocene Locatelli Formation, Santa Cruz County, California: Implications for Tectonic Rotation of the Northern Salinian Block
Donald R. Prothero, Ruben A. Lopez
Pacific Section SEPM
..., The least-squares line and plane and the analysis of paleomagnetic data: examples from Siberia and Morocco: Geophysical Journal of the Royal...
2001
A novel viscous pure-acoustic wave equation and its numerical implementation in 3D TTI media
Long Wu, Yixian Xu, Shigang Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., and J. Han, 2022, Q-compensated least-squares reverse time migration in TTI media using the visco-acoustic TTI wave equation based on the SLS model...
2024
Sedimentary Variation: Some New Facts and Theories
Percival Allen
Journal of Sedimentary Research (SEPM)
..., the general form of the central trend (constru ted by "least squares" in the ordinary way) is remarkably constant. This exhibits practical...
1945