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1-20 of 94
Keywords: microseismic data
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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-2021-3584086
... porosity workflow fracture geometry variation xf estimate fracture half-length microseismic data exploration geophysicist 10 microseismic estimate completion parameter microseismic response representation montney Estimating fracture geometry in the Montney using seismic and microseismic data...
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-2021-3594469
... 10 data example equation geophone array geophysics mt inversion origin time microseismic data inversion tensor inversion Adaptive full-waveform moment-tensor inversion of microseismic data Kai Gao , Lianjie Huang, Yan Qin, Ting Chen, David Coblentz, Los Alamos National Laboratory; George...
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-2021-3595028
... frequency applied geoscience microseismic data reservoir characterization sichuan basin chengdu university exploration geophysicist 10 reservoir geomechanics azimuth value microseismic event histogram fracture in-situ stress azimuth upstream oil & gas curvature horizontal...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3420270
... Noise in surface microseismic data usually has complicated features, signal reconstruction from various types of noise is very challenging for existing reconstruction techniques. In this paper, we propose to use a trilateral weighted sparse coding scheme within the block matching framework...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3420645
..., extracting potential events, and quality control of the detection results. We have implemented the MF algorithm on a microseismic data set with over 19,000 events detected on two monitoring wells. The MF detection results are compared with the results from STA/LTA. The MF algorithm is more efficient in event...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3421625
... of events from a small local broadband network. In this study we integrate a high-resolution microseismic dataset from the same treatment with that previous work, and demonstrate that the microseismic data provides an even more compelling case that aseismic slip plays a role in induced seismicity...
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
... splitting in the raw microseismic data, so we manually picked Sv-wave arrivals of selected microseismic events and used them to constrain the anisotropic model. The average gamma parameter in the new VTI model increased to 0.2-0.25 in the target formation. The new VTI model reduced the average Sv-wave...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3425638
... crosscorrelation workflow time pick workflow template event upstream oil & gas crosscorrelation time-pick workflow microseismic data seg international exposition hydraulic fracturing microseismic event arrival time migration-based method reservoir characterization...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426685
... 8 Presentation Type: Poster upstream oil & gas shragge exploration geophysicist 10 reservoir characterization objective function velocity model incorrect velocity model artificial intelligence imaging condition microseismic data seg international exposition operator image...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3212130
... & gas characteristic simulation distribution characteristic china curvature seg 10 seg international exposition case study microseismic data well group fault stability evaluation fracture zone fracture Chen , Z. , L. Shi , and D. Xiang , 2016 , Mechanism...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215209
... ABSTRACT The accuracy of velocity models built from microseismic data can be increased by employing 3D anisotropic waveform inversion (WI). Here, we apply our previously developed elastic WI algorithm to velocity analysis of synthetic and field microseismic data from VTI (transversely...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216741
... hydraulic fractures. Presentation Date: Wednesday, September 18, 2019 Session Start Time: 8:30 AM Presentation Start Time: 8:55 AM Location: 217B Presentation Type: Oral upstream oil & gas seismometer array microseismic data seg international exposition hydraulic fracturing annual...
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-2018-2997734
... through this interval, but the minor Pwave velocity changes suggest that the zone is in communication with the borehole, and therefore pressure was able to dissipate. Comparison with the microseismic data recorded between cross-well surveys shows interesting but debatable relationships...
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-2018-2998425
... hydraulic fracturing annual meeting seg international exposition upstream oil & gas annual international meeting case study traveltime computation seg 10 monitoring davis source mechanism microseismic data Andersen , E. , H. Davey , C. Steinhoff , and T. Davis...
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-2018-2998279
... and a cross-validation (CV) process is implemented for automatic parameter setting. In the end, a group of synthetic and real microseismic data with different levels of complexity show the effectiveness of the proposed method. Presentation Date: Wednesday, October 17, 2018 Start Time: 1:50:00 PM Location...
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-2018-2995099
... aftershock sequence. However, cluster 2 was more swarm-like in character, lacking any mainshock event and containing no events with =2.0. The swarm-like behavior of cluster 2 resumed and intensified after the 4.1 event in cluster 1. Downhole microseismic data at cluster 2 reveal a series of lineaments...
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-2018-2995006
... Microseismic data is being routinely collected as part of large pad scale hydraulic fracturing developments. The large lateral and sometimes, vertical spread of the pad wells allow the possibility of correlating observations made from the microseismicity during treatment phase with known...
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-2018-2997252
... Microseismic data is often used to locate fracture locations and their origin in time created by fracking. Although surface microseismic data can have large apertures and is easier to acquire than the borehole data, it often suffers from poor signal to noise ratio (S/R). Poor S/R poses...
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-2018-2990944
...: Wednesday, October 17, 2018 Start Time: 1:50:00 PM Location: 205A (Anaheim Convention Center) Presentation Type: Oral grechka waveform inversion hydraulic fracture michel microseismic data middle layer reservoir characterization jarillo michel algorithm vti media oscar jarillo michel...
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
... the likelihood of vertical fracture barriers etc. Especially for datasets with considerable location uncertainty, the resulting fracture heights are generally much less than obtained from traditional interpretations. The methodology is not limited to microseismic data but can be used to assess and incorporate...
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