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The AAPG/Datapages Combined Publications Database
Showing 5,194 Results. Searched 200,693 documents.
Subaerial Debris-Flow Deposition in the Upper Paleozoic Cutler Formation, Western Colorado
Albert W. Shultz
Journal of Sedimentary Research (SEPM)
... and inverse grading are visible in D, but grading is generally not well developed in either lithofacies. Imbrication of clasts, although more pronounced...
1984
Internal multiple elimination with an inverse-scattering theory guided deep neural network
Zhiwei Gu, Liurong Tao, Haoran Ren, Ru-Shan Wu, Jianhua Geng
International Meeting for Applied Geoscience and Energy (IMAGE)
...Internal multiple elimination with an inverse-scattering theory guided deep neural network Zhiwei Gu, Liurong Tao, Haoran Ren, Ru-Shan Wu, Jianhua...
2022
High Resolution Seismic Reflection and Geoelectrical Resistivity Imaging at Pengkalan School Teacher's Quarters Pegoh, Ipoh, Malaysia
Mohammed Ismael Abu Shariah, Abdul Rahim Samsudin, Umar Hamzah, Abdul Ghani Refak
Geological Society of Malaysia (GSM)
.... The Two dimensional resistivity inverse models of the traverse lines are showing the low resistivity anomalies. These anomalies are interpreted...
2000
Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #42183 (2018)
Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe, Arash Jafargandomi, Karen Purcell
Search and Discovery.com
... to reconstruct an image of such reflectivity is to apply the inverse of the modeling operator to the recorded data. However, because of the high dimensionality...
2018
On Traction-Carpet Sedimentation
Y. K. Sohn
Journal of Sedimentary Research (SEPM)
... of the bed, rather than via en masse freezing, while the downward grain flux from the overlying flow maintains the . The thickness of a traction-carpet...
1997
Integrated 3D inversion of magnetotelluric and HeliTEM data collected in the geothermal area of Japan
Alexander Gribenko, Leif Cox, Michael Jorgensen, Michael S. Zhdanov, Masami Ikeya, Yusuke Usui
International Meeting for Applied Geoscience and Energy (IMAGE)
... distribution to the depths up to 500 m. The HeliTEM inverse model provides essential information about the near-surface conductivity distribution...
2022
Robust joint inversion and segmentation of 4D seismic data
Juan Romero, Matteo Ravasi, Nick Luiken
International Meeting for Applied Geoscience and Energy (IMAGE)
... fields to carbon capture and sequestration. Time-lapse seismic inversion is however, a notoriously ill-posed inverse problem: the band-limited nature...
2022
Abstract: Nonvadose Origin of Pisolitic Facies, Capitan Reef Complex (Permian), Guadalupe Mountains, New Mexico and West Texas, by Mateo Esteban, Lloyd C. Pray; #90972 (1976).
Search and Discovery.com
1976
A New Approach to Measure Organic Density
Son T. Dang
Unconventional Resources Technology Conference (URTEC)
... and mineral true grain density, and potentially measured k – as inverse weight fraction of organic carbon to organic matters. Kvalue seems to be a good...
2014
Uncertainty quantification for full-waveform inversion with a mini-batch gradient-based sampling method
Zeyu Zhao, Mrinal K. Sen
International Meeting for Applied Geoscience and Energy (IMAGE)
... for uncertainty quantification in geophysical inverse problems by including derivative information in MCMC sampling (Martin et al., 2012; Biswas and Sen...
2022
3D inversion of electromagnetic logging-while-drilling data
David Marchant, Nigel Clegg, Luke Rawsthorne, Jari Kunnas
Petroleum Exploration Society of Australia (PESA)
... shelf is presented. METHODOLOGY In this section, we discuss the methods applied in the solution of the forward and inverse problems. Forward Modeling...
2019
Possible Utilization of Electrophoretic Phenomenon for Separation of Fine Sediments Into Grades
George Tchillingarian
Journal of Sedimentary Research (SEPM)
... cataphoretic velocity. An inverse relationship between size and velocity of clay particles treated with NaOH is shown. Results shown in table 1 also...
1952
Question of the Formation of Sulfur Oils in Nature (According to Data from Central Asia)
Kh. A. Ravikovich
Petroleum Geology: A Digest of Russian Literature
... there should be a direct genetic relationship between the sulfurization of oil and the carbon dioxide in the gas and an inverse relationship with respect...
1977
Experience in the Use of the Common-Depth-Point Method for Study Deep Triassic Sediments of East Stavropol
Yu. Ye. Maksin, G. N. Chepak, V. I. Iodis
Petroleum Geology: A Digest of Russian Literature
... to be made on reflecting horizons of the Permo-Triassic. Comparison of the common depth point time section with inverse D-transform time section for profile...
1978
Fullband imaging
Zhengmin Zhang, Jiwei Jia, Geping Fu, Hao Zhang, David Chow, Barry Hung, Ian Anstey, Wai Leong Lai
Petroleum Exploration Society of Australia (PESA)
... in general. By applying Q Tomography on the common image gathers (CIGs) in two separate steps to obtain Qa and Qb, we generated an inverse Qt (1/ Qt...
2016
Impossibility of Bernoulli Pressure Forces on Particles Suspended in Boundary Layers: REPLY
James M. Mattinson, Richard V. Fisher
Journal of Sedimentary Research (SEPM)
... turbidite-conglomerate series, California; inverse grading: Jour. Sedimentary Petrology, v. 38, p. 1013-1023. SOUTHARD, J. B., 1970, Impossibility...
1970
Climatic and tectonic controls of lacustrine hyperpycnite origination in the Late Triassic Ordos Basin, central China: Implications for unconventional petroleum development: Discussion
G. Shanmugam
AAPG Bulletin
... but is missing from the paper by Yang et al. (2017b). THE HYPERPYCNITE FACIES MODEL Inverse to Normal Grading The term “hyperpycnite” (i.e., deposits...
2019
Abstract: Use of Artificial Neural Network to Identify Turbidite Deposit Gradation Generated in Laboratory; #90063 (2007)
Search and Discovery.com
2007
Abstract: Abstract: 2D and 3D Finite Element Restorations of Geological Structures with Sliding Contact Along Faults, by Guiton, M.L.E. and Zammali, C.; #90066 (2007)
Search and Discovery.com
2007
2013
Abstract: A Ray+Waveform Inversion for the Potency Tensor; #90187 (2014)
Scott Leaney and Chris Chapman
Search and Discovery.com
...ry, AB, Canada Chapman and Leaney (2012) (eq. 87) write the potency tensor as [ ] ̂̂ [ ] ̂̂ , (2) where is the compliance tensor, the inverse of the...
2014
Rayleigh Inversion Application Study in Some Areas of Middle East, #42217 (2018).
Fuhao Jiang
Search and Discovery.com
... optimization processing: Three steps are adopted to optimize the model depth: (a.) use the maximum depth to build model and inverse; (b.) adopt...
2018
Deblended-Data Reconstruction Using a Closed-Loop Approach for Time-Lapse Seismic Monitoring, #42320 (2018).
Tomohide Ishiyama, Mohammed Y. Ali, Gerrit Blacquire, Shotaro Nakayama
Search and Discovery.com
... as an inverse problem with quantifying the coherency and its solutions by selecting optimal metrics of the coherency. To solve the inverse problem, we...
2018
The Interpretation of Gravity Anomalies
E. V. McCollum
Tulsa Geological Society
... sources considered separately. Since, as a direct consequence of Newton's Inverse Square Law, the summation of all measurable gravity effects is obtained...
1944