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The AAPG/Datapages Combined Publications Database
Showing 2,793 Results. Searched 200,357 documents.
Abstract: Risk Assessment in Seismic Direct Hydrocarbon Detection, by S. G. Truxillo; #90933 (1998).
Search and Discovery.com
1998
Elastic reverse time migration with more than pressure data
Denes Vigh, James Xu, Xin Cheng, Zongcai Feng, Bing Bai
International Meeting for Applied Geoscience and Energy (IMAGE)
... (FWI), have become general practice using field data in complex geological settings. When high velocity contrasts are present in the velocity regime...
2024
Frac Hit Prevention and Engineered Treatment Design in the Permian Basin Using In-Situ Stress from 3D Seismic
Michael Shoemaker, James Hawkins, John Becher, Veronica Gonzales, Sandeep Mukherjee, Reza Garmeh, David Kuntz
Unconventional Resources Technology Conference (URTEC)
... to dynamic velocity measurements using empirical models calibrated to the area. Resulting anisotropic scalars, representing correction factors to isotropic...
2019
Modelling pure qP-wave in attenuative VTI media using fractional viscoacoustic wave equation
Shanshan Zhang, Kun Tian, Ning Qin, Yanguang Wang, Changbo Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... anisotropic effects in seismic velocity and attenuation, even for strong attenuative and anisotropic media. In addition, the proposed equation can...
2024
Workflow for Nonlinear AVO Inversion to Estimate Seismic Anisotropy and Geomechanical Properties of Shale
Un Young Lim, Richard L. Gibson Jr., Nurul Kabir
Unconventional Resources Technology Conference (URTEC)
... of shale from AVO inversion is not a trivial task, since organic-rich shale formations are often anisotropic. Our objective is to apply a nonlinear...
2019
About the importance of the horizontal components of the wavefield for a well-constrained velocity inversion: 3-C versus 1-C inversions
Isabelle Dumont, Sophie Beauprêtre, Anaïs Lavoué, Dan Hollis, Chloé Gradon
International Meeting for Applied Geoscience and Energy (IMAGE)
...About the importance of the horizontal components of the wavefield for a well-constrained velocity inversion: 3-C versus 1-C inversions Isabelle...
2024
Abstract: Estimation of Epsilon Parameter of Fracture Induced Anisotropy by In-Situ Seismic Refraction Survey
Eko March Handoko Masyhur, Abdul Ghani Md Rafek, Khairul Arifin Mohd Noh
Geological Society of Malaysia (GSM)
... and largest delay normal to the fractures. This can result in misinterpretation of true velocity of a rock mass and produce incorrect subsurface image...
2017
ABSTRACT: Future of Microseismic Analysis: Integration of Monitoring and Reservoir Simulation; #90122 (2011)
Leo Eisner, Vladimir Grechka, and Sherilyn Williams-Stroud
Search and Discovery.com
... location from surface and downhole receivers improves the precision of locations and allows estimation of anisotropic velocity models. While synchronization...
2011
Abstract: 3D–3С Full-Wave Modeling in Anisotropic 2.5D Medium; #90171 (2013)
A. Kostyukevych, N. Marmalevskyi, Y. Roganov, and V. Tulchinsky
Search and Discovery.com
...Abstract: 3D–3С Full-Wave Modeling in Anisotropic 2.5D Medium; #90171 (2013) A. Kostyukevych, N. Marmalevskyi, Y. Roganov, and V. Tulchinsky 3D–3С...
2013
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)
... propose applying anisotropic filtering with the global structure obtained in step 2 to the gradient, aiming to restore the background velocity model...
2023
Advanced VSP modeling for efficient data acquisition in deepwater subsalt well
Manish Lal Khaitan, Rafael Guerra, Francesco Miranda, Emmanuel Spadavecchia
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity model, and improve the image of the subsalt reservoir. An expensive drilling rig placed a constraint on the number of seismic source...
2022
Pitfalls in CSEM Inversion; a Case Study of a False Positive (Paper A5)
V. Ganesan, H. T. Pederson, S. K. Chandola, N. N. Halim
Geological Society of Malaysia (GSM)
...-drilling analysis shows that the horizontal resistivity behavior of the unconstrained anisotropic 3D inversion match the resistivity log reasonably well...
2012
Seeing through the shear zone for the first time: The impact of seismic technologies on the clarity of seismic image over Bahrah field
Ali Mohamed, Adel El-Emam, Nacim Brika, Halis Bayri, Amr Issa, Kashif Adeel
International Meeting for Applied Geoscience and Energy (IMAGE)
...) were estimated by the dual scan analysis of the semblance based on the gather flattening. These functions were interpolated to build a 3D anisotropic VTI...
2022
Machine learning-based anisotropy characterization of Wolfcamp shales in the Midland Basin
Jaewook Lee, David E Lumley
International Meeting for Applied Geoscience and Energy (IMAGE)
..., similar to inorganic minerals in shale formations. Therefore, the improved estimation of both Swave velocity and anisotropic parameters is needed...
2022
3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs
Antonio C.B. Ramos, T.L. Davis
Rocky Mountain Association of Geologists
.... They far outweigh the effects of contrasts in anisotropic parameters for the computed models. Seismic AVO analysis of nine macrobins obtained from...
1997
Anisotropy Parameter Inversion from Sonic and Density Logs in Horizontally Transverse Isotropic Media
Joseph Kremor, Khalid Amrouch
Australian Petroleum Production & Exploration Association (APPEA) Journal
... and Azimuthal AVO Analysis in Anisotropic Media.’ (Society of Exploration Geophysicists: Tusla, OK.) Schoenberg, M. (1980). Elastic wave behavior across linear...
2017
South Halfway 3D: An example of a challenging onshore acquisition and subsequent processing and a unique way of performing a prestack elastic inversion on a difficult dataset
Marianne Rauch, Doug Brost, Hassan Odhwani, Aravind Nangarla, Adriana Gordon
International Meeting for Applied Geoscience and Energy (IMAGE)
... interval. Table 1 outlines a summary of the acquisition parameters which are based on detailed analysis of a modeling study Second International...
2022
Abstract: Evaluating VTI Anisotropy in Shale Using New Borehole Sonic Measurements for Improving Seismic Ties ; #90055 (2006).
Search and Discovery.com
2006
Using Multiazimuth Seismic Data for Anisotropy Estimation in an Unconventional Reservoir
Surabhi Mishra
Petroleum Exploration Society of Australia (PESA)
... azimuthal fracture detection techniques using 3D seismic data are: P wave azimuthal AVO analysis (AVAZ) and P wave azimuthal Velocity analysis (VVAZ...
2018
Combined OBN and high-resolution 3D streamer acquisition for CO2 monitoring: Initial model building and imaging results over Sleipner
Simon Stokes, Sandrine David, Eddie Cho, Dhiman Mondal, Graeme Stock, Simon Baldock
International Meeting for Applied Geoscience and Energy (IMAGE)
..., including the CO2 plume, while the OBN data provides long-offsets for velocity model estimation using FWI. The results demonstrate the potential...
2023
Abstract: Estimation of Q-factor and Phase Velocity Using the Recovered Stress-strain Relaxation Spectrum; #90172 (2014)
Dali Zhang, Michael P. Lamoureux, Gary F. Margrave
Search and Discovery.com
... for evaluating Q-factor and phase velocity. Fig. 1 illustrates the numerical results for sensitivity analysis of the estimated Qfactors and phase velocities...
2014
Hybrid Velocity Model Building: 3D Ocean Bottom Cable (OBC) Orthorhombic Full Waveform Inversion (FWI) Depth Imaging of a Complex Geological Structure, Western Berau - Papua, Indonesia
Purbo Santoso, Yayat Supriatna, Tepy Septyana, Leo Tjahjadi, Yonghe Guo
Indonesian Petroleum Association
..., I., 1997, Anisotropic parameters and Pwave velocity for orthorhombic media: Geophysics, 62, no. 4, 1292-1309. © IPA, 2019 – 43rd Annual Convention...
2019
Imaging of multiwell and multifiber walkaway DAS-VSP datasets in a CCUS demonstration project onshore Japan
Yuji Yamada, Shotaro Nakayama, Takuji Mouri, Manish Lal Khaitan, Philip Armstrong, Olga Podgornova
International Meeting for Applied Geoscience and Energy (IMAGE)
...) analysis. For this analysis, corrections for the gauge length effect and data conversion from strain to velocity were performed (Sayed et. al., 2021...
2024
Seismic Fracture Detection in the Second White Speckled Shale: Anisotropic Perspectives on an Isotropic Workflow; #41289 (2014)
David Cho, Craig Coulombe, Scott McLaren, Kevin Johnson, and Gary F. Margrave
Search and Discovery.com
...Seismic Fracture Detection in the Second White Speckled Shale: Anisotropic Perspectives on an Isotropic Workflow; #41289 (2014) David Cho, Craig...
2014