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The AAPG/Datapages Combined Publications Database
Showing 10,140 Results. Searched 200,293 documents.
Automatic Analysis of Tracer Sand
P. G. Teleki
Journal of Sedimentary Research (SEPM)
... medium was available. The theory on which instrumental operation is based is shown below in an approximate calculation for Rhodamine 6G, a sample...
1967
Data-embedded physics-informed neural network for electromagnetic wave propagation simulation: Potentials and challenges
Yawei Su, Wenyi Hu, Jiefu Chen, Aria Abubakar
International Meeting for Applied Geoscience and Energy (IMAGE)
... up the traveltime calculation for the updated model or new source locations. In the context of surrogate modeling, the PINN learns the source location...
2024
Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)
Roohollah Askari, Robert J. Ferguson, and Helen Isaac
Search and Discovery.com
... the phase velocity for each CMP gather, and, we convert the resulting dispersion curve to a vertical shear wave velocity by an inverse procedure...
2014
Tectonic geomorphological investigations of antiforms using differential geometry: Permam anticline, northern Iraq
Annegret Burtscher, Marcel Frehner, Bernhard Grasemann
AAPG Bulletin
...) topographic data draped onto the 2 exaggerated topography. For the curvature calculation, different low-pass filters (cutoff wavelength, s) are applied...
2012
Tikhonov Linear Inversion of Gravity Data to Determine 3-D Differential Density Distribution - Case Study of Southeast New Mexico and West Texas
Darren Hart
West Texas Geological Society
... and adjoining Central Basin Platform region covering 31 - 34 degrees north latitude; -102 - -105 degrees east longitude. Tikhonov regularization inverse...
2000
Quantitative Interpretation: A Novel Approach using Spectral Trend Attribute Analysis and Iterative Wiener Filter in Characterizing Carbonate Reservoir on West Java Basin
Mohammad Hasyim Taufik, Adisa Putri Utami, Bagas Arya Wichaksana, Fitriah Nuraeni, Muhammad Reza
Indonesian Petroleum Association
... of auto-correlation calculation and Toeplitz matrix generation, cross-correlation calculation, and inverse matrix process. The iteration based...
2019
Quantitative Modeling of the Dynamic Evolution of Salt Structures
Kenneth Petersen, Ian Lerche
GCAGS Transactions
... seismic and/or well data, is presented. The present-day shape of a salt structure is constrained by an inverse non-linear procedure which determines...
1992
Application of least squares one-way wave migration in irregular sampling data of Bohai Bay Basin
Lv Yongchang, Li Daoshan, Wang Yongming, Meng Jie, Feng Xukui, Hu Dan, Wu Xiaofeng, Kong Zhaoju
International Meeting for Applied Geoscience and Energy (IMAGE)
... technology is not the inverse of Born forward modeling, but its conjugate. Because the field acquisition and imaging processing are affected...
2022
Well to Well Interference: Quantifying Connectivity and Understanding How Much is Too Much - A STACK Case Study
Trevor Ingle, Hart Greenwood, Mark Wilkins, Mouin Almasoodi, Kyle Haustveit
Unconventional Resources Technology Conference (URTEC)
... on the general operation and calculation of interference followed by thoughts on test execution with an emphasis on cost effectiveness...
2020
Reflection waveform inversion regularized with structural constraints and scattered data interpolation
Chengliang Wu, Huazhong Wang, Bo Feng, Ting Lei, Rongwei Xu, Shen Sheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... model by minimizing an objective function, which measures the discrepancy between modeled and observed data. However, FWI is a strong nonlinear inverse...
2023
Strategies Implemented to Tackle Sand Production Issue in the Peciko Gas Field, Offshore Indonesia
Mursalim Mardin, Suryani, Kristanto, Prayudi Noverri, Siti Masitah, Muhamad Alyasa
Indonesian Petroleum Association
... 60% through a combination of sand filters and improved sand rate measurement. With a new sand management strategy implemented, Peciko production has...
2014
Well to Seismic Ties Modeling with the Adaptive Log Analysis, #40823 (2011)
Ivan S. Deshenenkov, Dmitry A. Kozhevnikov, Kazimir V. Kovalenko
Search and Discovery.com
... the acoustic impedance calculation in conditions of limited prior geophysical and petrophysical information. Many other techniques for elastic properties...
2011
Iso-Con Map for Ordovician Waters: GEOLOGICAL NOTES
Robert H. Dott , Roy L. Ginter
AAPG Bulletin
... suggest a definite relationship between size of outcrop and concentration. The rate of increase in concentration down-dip seems to be in inverse...
1930
Full-waveform inversion using velocity-encoded physics-informed neural networks
Mohammad Taufik, Xinquan Huang, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... required to compute the FWI updates. In this case, instead of using the full velocity model size, we can perform a gradient calculation on the compressed...
2024
Can Storage Coefficient Be Neglected in the Estimation of Unconfined Aquifer Parameters?
Xunhong Chen
Environmental Geosciences (DEG)
... coefficient S.To be consistent in the analysis of aquifer test data, the Dagansolution was combined with an inverse computational procedureso that Kr...
2000
Corrected Record Sections
Ernest M. Hall Jr.
CSPG Special Publications
... the need for calculation and plotting and should remove as many distortions as possible while maintaining accuracy and maximum detail. All events should...
1957
Another Look at the Separation of P- and S-Waves
Jun-Wei Huang
Search and Discovery.com
... (Dankbaar, 1987). This method relied on the calculation of filter coefficients in the f-k domain using estimated velocities. The f-k transformation may...
Unknown
Another Look at the Separation of P- and S-Waves
Jun-Wei Huang
Search and Discovery.com
... (Dankbaar, 1987). This method relied on the calculation of filter coefficients in the f-k domain using estimated velocities. The f-k transformation may...
Unknown
Abstract: 3D Seismic Imaging in the Pakistan Foothills: A Case History; #90172 (2014)
Victor Dolgov, Rob Vestrum, Jon Gittins, Géza Wittman
Search and Discovery.com
... GeoConvention 2010, Calgary, Alberta, Canada, May 10-14, 2010 phase. Two independent filters were derived one for dynamite and one for vibroseis for each...
2014
Attribute-Assisted Automatic Fault Extraction - A Case Study in a Tectonically Complex Area Offshore East Coast of Canada; #41925 (2016)
H. M. Garcia, J. Dexter, R. Martin
Search and Discovery.com
... was to conditioning the data. For that a noise attenuation workflow was applied. This consisted in the application of structurally oriented filters...
2016
Self-Consistent Approximation for Porosity Segmentation
Ritesh Mohan Joshi, Anil Kumar, Dr. Kumar Hemant Singh
Indonesian Petroleum Association
... and opening c) Distance transform d) Gradient image calculation e) Marker Generation. The generalized workflow for digital image analysis is given...
2022
A New Tool for Lower Brushy Canyon Completion Decisions
W. W. Weiss, B. A. Stubbs, R. S. Balch
West Texas Geological Society
...-bedded turbidites using wire-line logs is difficult; errors in Sw calculation frequently result in uneconomical completions. Consequently, current Brushy...
2001
AMENDMENT OF INCOMPLETE STRATIGRAPHIC DATA AS AN AID TO INTERPRETING AND MODELING DISCONTINUOUS SEAMS IN MULTI-SEAM DEPOSITS
R. Dean Willis, H. Warren Taylor
North Dakota Geological Society
... is measured incremental interburden calculation - the probable stratigraphic separation...
1984
A Novel Fracture Conductivity Calculation Methodology for Integrating Fracture Simulation and Rate Transient Analysis (RTA) for Unconventional Development
Han (Jake) Li, Paul Nguyen, Sherif M. Kholy, Soodabeh Esmaili, Shunhua Liu
Unconventional Resources Technology Conference (URTEC)
...A Novel Fracture Conductivity Calculation Methodology for Integrating Fracture Simulation and Rate Transient Analysis (RTA) for Unconventional...
2024
Automated Optimization of Composite Well Analysis from Best-In-Class Offset Wells Using Cloud-Based Analytics
Sai Sharan Yalamarty, Brian Harclerode
Unconventional Resources Technology Conference (URTEC)
... the WITSML data. Summary Calculation The standardized Timelog data is automatically summarized and stored to a database to reduce computation needed when...
2022