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Keywords: microseismic event location
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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-2021-3582729
...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 International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428160
...-3428160.1 SEG International Exposition and 90th Annual Meeting Page 1332 © 2020 Society of Exploration Geophysicists 10.1190/segam2020-3428160.1 SEG International Exposition and 90th Annual Meeting Page 1333 REFERENCES Castellanos, F., and M. van der Baan, 2013, Microseismic event locations using the double...
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
... Presentation Start Time: 10:35 AM Location: Poster Station 3 Presentation Type: Poster accuracy thomsen parameter microseismic event location sensitivity cdd method anisotropic parameter inversion velocity model slowness traveltime upstream oil & gas location result event 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-2018-2996453
... 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 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-16890707
... unknowns, = [ 1, 2, 3], to two, = 3], and make it possible © 2017 SEG SEG International Exposition and 87th Annual Meeting Page 3981 Microseismic event location with direct and reflected waves Layer Depth of VP0 VS0 bottom (km/s) (km/s) (km) 1 4.30 4.0 2.2 0.10 0.05 2 4.45 5.0 2.9 0.05 0.03 3...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17786299
... here address the idea of the use of weak anisotropy approximation for microseismic events location. For homogeneous models it was shown that the use of weak anisotropy approximation does not causes severe shifts in microsesimic events locations. On the other hand in case of strong media anisotropy...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17730445
... using the Marmousi model. Field data of a 5200-element dense array in Long Beach, CA was utilized to evaluate the estimation of microseismic event locations. Presentation Date: Tuesday, September 26, 2017 Start Time: 2:40 PM Location: 362D Presentation Type: ORAL estimation false pick event...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13850020
... enhanced geothermal system (EGS) demonstrates its robustness over the traditional least-square traveltime inversion. Comparison with location result of the traditional method shows that we can effectively improve the accuracy of microseismic event location thanks to the improved velocity model...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5919420
... in polarization. We integrated head wave arrival time to P- and S-wave arrival time to achieve better resolution in microseismic event location. To this end, we developed a Bayesian inference framework for joint event location and velocity model calibration. The developed method was applied for both microseismic...
Proceedings Papers
Steve Cole, Martin Karrenbach, Steve Roche, Jason Gumble, Lisa LaFlame, Melissa Emuh, Victor Yartsev, Bill Bartling
Publisher: Society of Exploration Geophysicists
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5876692
... data to form images of the subsurface structure. Microseismic events give rise to both P and S wave arrivals. These arrivals scatter off structures in the vicinity of the microseismic event location. By referencing S arrivals with respect to P arrivals and by tracking these P and S events back through...
Proceedings Papers
Using Multipath Shear Wave Arrivals for Enhanced Microseismic Location in Strongly Anisotropic Shale
Publisher: Society of Exploration Geophysicists
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5866323
... into a grid search based microseismic event location algorithm. To overcome this problem we present a location workflow that in addition to arrival times takes into account polarizations of the P-wave as well as crosscorelations between microseismic recordings. We show how this updated workflow improves...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-1291
... time pick shapiro event location common-receiver gather seg denver 2014 algorithm time pick common-shot gather microseismic event location Receiver based analysis of microseismic recordings: A tool for assessing quality of time picks and event locations A. Reshetnikov , S. A. Shapiro, Freie...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0423
... Summary Focusing waves inside a medium has applications in geophysics in areas such as imaging and microseismic event location. The goal in focusing is to concentrate the wave energy at a specific time and location inside a medium. Various techniques have been devised and used to achieve...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0034
... Summary VTI anisotropy has been proven to have a large impact on the location accuracy of microseismic events associated with hydraulic fracture monitoring (e.g., Erwemi et al., 2010, Maxwell et al., 2010). However, the influence of HTI anisotropy on microseismic event location has rarely...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0750
... Summary Precise microseismic event location is the first step towards fracture evaluation generated in response to fluid/steam injection into the reservoir. We analyze resulting uncertainties in microseismic event locations by minimizing the squared misfit between the observed and theoretical...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0335
..., this method will be shown to improve the event location precision. event location error microseismic event location perforation annual international meeting simulation event location seg houston 2013 microseismic event injection hydraulic fracturing theoretical analysis reservoir...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0165
... Summary Accurate microseismic event location requires a thorough knowledge of the velocity model between the treatment well and monitoring well. This velocity model is routinely built by integrating sonic logging data with perforation monitoring data. Conventional approaches of building...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1155
... and the microseismic data. microseismic event location geophone p-wave moveout upstream oil & gas reservoir characterization histogram strongest event main menu velocity model raw data trace isotropic velocity profile arrival time vendor microseismic result ps arrival difference s-wave...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-1643
...Realistic uncertainty space for microseismic event locations from multiple well recordings Ulrich Zimmer* Pinnacle A Halliburton Service Summary Microseismic event locations are increasingly used as input parameters for additional calculations, e.g. stimulated reservoir volume (SRV), moment...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-1570
... regime reservoir geomechanics geomechanical implication fracture earthquake evolution variation magnitude microseismic event location amitrano reservoir characterization statistical analysis experiment horizontal stress correlation hydraulic fracturing Statistical analysis...
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