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The AAPG/Datapages Combined Publications Database
Showing 17,717 Results. Searched 200,636 documents.
Unlocking the potential of WAZ data for subsalt imaging using FWI: A case study in the Perdido area
Vivek Vandrasi, Zhihua Su, Shouting Huang, Yogesh Agnihotri, Sabaresan Mothi
International Meeting for Applied Geoscience and Energy (IMAGE)
...*, Zhihua Su, Shouting Huang, Yogesh Agnihotri, Sabaresan Mothi, CGG Summary Full-waveform inversion (FWI) has become the norm in velocity model building...
2022
Enhancing Reservoir Imaging and Monitoring Using Crosswell Seismic
Sanjeev Dogra, Ajay Nalonnil, Bruce Marion
Indonesian Petroleum Association
... the efficiency of these strategies is paramount. In these examples, crosswell seismic has been able to successfully monitor the injection through velocity...
2010
CO2-EOR monitoring using time-lapse FWI with walkaway VSP datasets in a carbonate field onshore Abu Dhabi
Yuji Yamada, Shotaro Nakayama, Tomohide Ishiyama, Mikako Mochizuki, Takuji Mouri, Hidehiko Shimizu, Aysha Mohammad Al Hamedi, Afra Aljaberi
International Meeting for Applied Geoscience and Energy (IMAGE)
... were acquired with an optimum signal-to-noise ratio. We then applied full waveform inversion (FWI) to estimate timelapse velocity changes induced...
2023
High-resolution imaging with FWI on wide azimuth towed streamer data: Application in the Mississippi Canyon, GoM
Wanying Wang, Simon Luo, Xiaolei Song, Lennon Infante, Imtiaz Ahmed, Qingsong Li, Ganyuan Xia, Katrina Packer
International Meeting for Applied Geoscience and Energy (IMAGE)
... model. We improved model resolution to 24 Hz. The resulting velocity model and FWI derived reflectivity (FDR) reveal previously unseen structures...
2024
Resolving Seismic Attenuation Issue through Q-Migration, a Case Study in Sisi-Nubi Field, Indonesia
Bastian Hutahayan, Keat Huat Teng, Kelik Moersidin, Jacques Bonnafe, Natalia Anggriani, Cepi M. Adam
Indonesian Petroleum Association
... the structural images. A total of eight iterations of interleaved Q and velocity tomography updates were performed to optimize the Q and the velocity models...
2015
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
The Global Offset Seismic Approach: Improving Seismic Imaging In Complex Geological Settings
Paolo Dell'Aversana
Petroleum Exploration Society of Australia (PESA)
... in order to perform robust inversions of first arrivals, near vertica l and wide angle reflections. The output i s a reliable parametric model (velocity...
2004
Settling Velocities of Quartz and Tourmaline in Eolian Sandstone Strata
James R. Steidtmann, Harry C. Haywood
Journal of Sedimentary Research (SEPM)
... settling velocity-in-water curves for quartz and tourmaline were determined for 41 samples of eolian grainfall and subcritically climbing ripple...
1982
Abstracts: Seismic Anisotropy of the Marcellus Shale: Feasibility Study for Fracture Characterization; #90173 (2015)
James Gaiser, Alvaro Chaveste, Mary Edrich, Tony Rebec, and Richard Verm
Search and Discovery.com
... characterization of two principal crack densities, an infill fluid factor and isotropic background velocity is possible by inversion of NMO ellipses and zero...
2015
Permeability Prediction in Chalks; #40506 (2010)
Mohammad M. Alam, Ravi Sharma, Ida L. Fabricius, and Manika Prasad
Search and Discovery.com
... the use of velocity data to predict permeability from wireline logging data for the chalk reservoir in South Arne field, North Sea. We first examined...
2010
Seismic Signature of CO2 Flooding in Tuscaloosa Sandstone; #40942 (2012)
Avinash Mohapatra, Chandra S. Rai, Carl Sondergeld, and Trevor L. Richards
Search and Discovery.com
... velocity measurements as a function of effective pressure showed Biot effective pressure coefficient (n) is approximately equal to 1.0 and independent...
2012
Velocity for Pore Pressure Prediction Modeling and Risk Assessment; #41819 (2016).
Selim Simon Shaker
Search and Discovery.com
...Velocity for Pore Pressure Prediction Modeling and Risk Assessment; #41819 (2016). Selim Simon Shaker Velocity for Pore Pressure Prediction Modeling...
2016
-- no title --
Ehsan, Athar
Search and Discovery.com
... Wang3, Jidong Yang4 Jin Keji5 ABSTRACT The Full Waveform Inversion (FWI) method is a velocity building technique which exploits the richness...
Unknown
Abstract: 3D Time Domain Full Waveform Inversion Based on Multiscale Adapted Variable Grid Method Case Study Majunga Basin East African Coast; #91204 (2023)
Mukiibi Ssewannyaga Ivan, Jian-Ping Huang, Zi-Ying Wang, Jidong Yang, Jin Keji
Search and Discovery.com
...) method is a velocity building technique which exploits the richness of seismic waveforms to reconstruct high resolution velocity models. The multiscale...
2023
Full Wave Acoustic Logging: Some Examples
John W. Minear
Southeast Asia Petroleum Exploration Society (SEAPEX)
.... Examples of fullwave acoustic signals from different lithologies. Figures 2.c and 2.d show signals from low velocity formations; unconsolidated, high...
1984
Elastic full-waveform inversion using OBN data acquisition
Denes Vigh, James Xu, Xin Cheng, Bing Bai
International Meeting for Applied Geoscience and Energy (IMAGE)
... to build detailed velocity models over the past ten years. Most of these projects used pressure data and an acoustic approximation with the assumption...
2022
Derivation of Seismic Depth Sections
H. Buchholtz, W. Houba
Geological Society of Malaysia (GSM)
... of the underlying velocity model. A simple depth conversion of the time scale is a very limited procedure and fails completely in the presence...
1987
Tomographic waveform inversion (TWI) applied to real seismic data
Jlio Oliva Frigrio, Biondo Biondi
International Meeting for Applied Geoscience and Energy (IMAGE)
... algorithm that produces accurate velocity models for subsurface areas comprehending either mild or severe geological complexity. Among its advantages...
2022
Practical solutions for reflection-driven FWI and application to Gulf of Mexico datasets
Max Liu, Ren-douard Plessix, Yi Yang, Jeffrey Vander Hurst, Na Shan, Rob Schelstrate, Colin Perkins, Vanessa Goh
International Meeting for Applied Geoscience and Energy (IMAGE)
... impedance imprints in velocity updates. Phase-only objective functions with a velocity-impedance parameterization mitigate some of these challenges. After...
2022
Impact of full-wavefield inversion (FWI) based high-resolution model building and Q imaging on exploration and development at Guyana Stabroek
Fuxian Song, Patrick Monigle, Jia Yan, Vikas Gudipati, Xu Li, Sunwoong Lee, Sam Hemmings-Sykes, Ashlika Persaud, James Pape, Lee E Gilchriest, Amir Abdi, Emily Lalli, Anupama Venkataraman, Ramesh Neelamani, Steve Knapp, Krista Solvason
International Meeting for Applied Geoscience and Energy (IMAGE)
... Knapp (Hess Corporation), and Krista Solvason (CNOOC International) Summary We showcase our subsurface velocity model building and imaging approach...
2023
True Hybrid 3D
Jeroen Hoogeveen, Kristen Berli, Lars Ivar Leivestad, Tor Åkermoen, Geoex MCG
GEO ExPro Magazine
... with associated velocity anomalies. All those issues have been addressed and significantly improved through the hybrid LumiSeisTM solution used to acquire...
2021
Shallow shear wave velocity estimation through the ground stiffness and viscosity
Zhouhong Wei, Rong Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
...Shallow shear wave velocity estimation through the ground stiffness and viscosity Zhouhong Wei, Rong Wang Shallow shear wave velocity estimation...
2024
Stress-Dependent Permeability and Dynamic Elastic Moduli of Reservoir and Seal Shale
Daisuke Katsuki, Anton Padin Deben, Olawale Adekunle, Andrew J. Rixon, Azra N. Tutuncu
Unconventional Resources Technology Conference (URTEC)
... that of the seal shale. Stress-dependent S-wave velocity of both shale samples are shown in Figure 7. The S-wave velocity of reservoir shale increases from 2.381...
2016
Application of acoustic anisotropic time-lapse full-waveform inversion at the Sleipner Field
Sea-Eun Park, Alexey Stovas, Hyeong-Geun Ji, Ju-Won Oh
International Meeting for Applied Geoscience and Energy (IMAGE)
.... We first build an initial anisotropic velocity model using the Backus averaging. Then, we compare the accuracy of velocity models from...
2024
The plug drum effect, or why your microseismic events may not be where you think they are
Guillaume Bergery, Zhishuai Zhang, Jing Du, D. Diller, T. Shuck, B. Fish
Unconventional Resources Technology Conference (URTEC)
.... An accurate velocity model is required to accurately locate microseismic events. An initial velocity model is usually built using a sonic log...
2017