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Keywords: event location
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Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4101278
...-processed seismic events are of equal to or greater quality than manually processed events. geologist reservoir characterization event location geology machine learning american association application applied geoscience & energy 10 dataset artificial intelligence exploration...
Proceedings Papers
Shotaro Nakayama, Yuji Yamada, Takuji Mouri, Pierre Bettinelli, Takashi Mizuno, Jianxiong Chen, Philip Armstrong, Yuki Maehara
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4095166
... geologist hydraulic fracturing production control ccus operation applied geoscience microseismic event das record das data continuous das measurement event location well-2 climate change le calvez detection perforation microseismic monitoring reservoir characterization detectability...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581023
...Migration-based event location for DAS geophone hybrid microseismic monitoring from a single monitoring well: Hydraulic stimulation case studies for oil/gas and geothermal applications Takashi Mizuno*, Joel Le Calvez, Schlumberger Summary using a DAS-geophone hybrid array. Thanks...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3593211
... time imaging (RTI) for determining microseismic event locations. RTI is based on the reversibility of the wave equations. It propagates the recorded microseismic events back to their source locations. We apply elastic RTI to locate microseismic events in three stages of a hydraulic fracturing treatment...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3579999
... The velocity model in downhole microseismic monitoring plays a vital role in accurate mapping of the hydraulic fracturing image, but the conventional velocity optimization method by the perforation shot introduces non-negligible event location errors when the geological formations are complex...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582729
...Microseismic event location using arti cial neural networks Denis Anikiev*, GFZ German Research Centre for Geosciences, Umair bin Waheed, King Fahd University of Petroleum and Minerals, Frantis ek Stane k, Colorado School of Mines, Dmitry Alexandrov and Leo Eisner, Seis- mik s.r.o. SUMMARY (2020...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583892
...Joint microseismic event location with surface geophones and downhole DAS at the FORGE geother- mal site Gary Binder* and Zagid Abatchev, Automated Seismics LLC SUMMARY has the disadvantage that it only measures one axial compo- nent of strain along the ber optic cable, and thus polarization All...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3423107
... We present a case study from the West Texas Permian Basin of constraining anisotropic velocity and improving microseismic event locations by using microseismic shear-wave splitting data (SH-wave arrival is earlier than Sv-wave arrival). There are 2 downhole arrays with 12 geophones in each array...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426961
... microseismic event locations and the velocity model for horizontal transverse isotropic (HTI) media. The procedure employs Bayesian inference via Markov-chain Monte Carlo (McMC) sampling with parallel tempering and diminishing adaptation to ensure efficient sampling of the parameter space. This algorithm...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427486
... depth in the reservoir section. Due to strong velocities contrasts, recorded seismic signals were very complex to analyse, with refracted and reflected waves combining with direct arrivals. Seismic events location remains then a major challenge. Thanks to waveform modelling, phase identification...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215358
... for seismic anisotropy may cause enormous errors in microseismic event location for shale formations. In this paper, we first analyze the influence of anisotropy on location results by using numerical simulation, and then propose an improved iterative Geiger’s method by considering velocity anisotropy...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215517
... ABSTRACT The velocity model and the distribution of the microseismic events contribute to understanding the hydraulic fracturing processes. We invert the event locations and the five Thomsen parameters simultaneously with the cross doubledifference (CDD) method in vertically layered...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3208059
... Start Time: 1:50 PM Presentation Start Time: 3:30 PM Location: 301B Presentation Type: Oral borehole sensor injection seg international exposition upstream oil & gas event cluster co 2 different waveform characteristic constraint decatur cc site event location reservoir...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3213938
... Location: 217B Presentation Type: Oral event location attenuation tomography correlation metals & mining microseismicity corner frequency upstream oil & gas annual meeting spectra van der baan spectral fitting inversion seg international exposition barthwal reservoir...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997548
... : Geophysics , 82 , no . 5 , KS85 – KS97 , 10.1190/geo2017-0062.1 . Jarillo Michel , O. , and I. Tsvankin , 2017 , Waveform inversion for microseismic velocity analysis and event location in VTI media : Geophysics , 82 , no . 4 , WA95 – WA103 , 10.1190/geo2016-0651.1...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2980345
... the likelihood of fault reactivation based on their orientations and spatial locations with respect to the mine layout. Results show that the fault inferred from the microseismic event locations near the 480 m tunnel network and the main shaft is well oriented for reactivation. However, the static stresses...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2967915
... velocity model upstream oil & gas receiver origin time evolutionary algorithm event location seg international exposition application thomsen parameter optimization problem tensor annual meeting artificial intelligence machine learning Chapman , C. , and W. Leaney...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996295
... upstream oil & gas microseismic activity co2 injection reservoir characterization magnitude event greenhouse gas control seismicity locatable event event location microseismic monitoring energy conservation Goertz-Allmann , B. , S. Gibbons , V. Oye , R. Bauer...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996453
... monitoring. Compared to vendor?s fixed isotropic velocity model results, we not only improved microseismic event locations, but also updated anisotropic velocity model. The mean of arrival time residuals has been reduced by 40%, which implies more accurate event locations, thus can help optimize well...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997091
... information event location annual meeting likelihood Cipolla , C. , S. Maxwell , M. Mack , R. Downie , 2011 , A practical guide to interpreting microseismic measurements : SPE North American Unconventional Gas Conference and Exhibition , 10.2118/144067-ms...
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