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1-20 of 97
Keywords: microseismic data
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Proceedings Papers
Induced seismicity to characterize hydraulic fracturing
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4094480
... Evaluation of microseismic data allows to derive comprehensive information about the spatio-temporal extends of the stimulated reservoir volume (SRV) during hydraulic fracturing. In this work, we used an almost completely data driven method using microseismic data to characterize the SRV...
Proceedings Papers
High precision microseismic phase picking and monitoring based on advanced deep learning
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4094685
... With the updating of seismic acquisition facilities and the surge of microseismic data volume, manually picking, classifying, and labeling of first arrivals can no longer meet the current production needs. Automated, efficient, and accurate microseismic phase identification algorithms...
Proceedings Papers
Getting more from microseismic data by asking less of it
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4099970
... The trend in analyzing microseismic data has been to expand from the simple to complex, but basic, relevant information may be lost in the attempt to extract complex evaluations. Contractor results are often opaque unless the operator takes an active interest in the acquisition and analysis...
Proceedings Papers
Adaptive full-waveform moment-tensor inversion of microseismic data
Available to PurchasePublisher: 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
... offsets from a single-borehole geophone array. reservoir characterization synthetic waveform microseismic event machine learning upstream oil & gas mechanism geophysics exploration geophysicist 10 hydraulic fracturing azimuth angle microseismic data mt inversion origin time data...
Proceedings Papers
Predicting the azimuth of in-situ horizontal stress by integrating multiple discipline data
Available to PurchasePublisher: 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
... maximum horizontal stress, we focus our analysis on correlating the seismic attributes computed from pre-stack and post-stack seismic data with the interpreted azimuth obtained from microseismic data. The application indicates that the azimuthal anisotropy of instantaneous frequency computed from offset...
Proceedings Papers
Estimating fracture geometry in the Montney using seismic and microseismic data
Available to PurchasePublisher: 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
... microseismic response representation montney fracture half-length exploration geophysicist 10 completion parameter porosity workflow fracture geometry applied geoscience xf estimate microseismic data microseismic estimate Estimating fracture geometry in the Montney using seismic and microseismic...
Proceedings Papers
Further insights on the role of aseismic slip in hydraulic fracturing-induced seismicity
Available to PurchasePublisher: 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
Microseismic signal reconstruction by block matching with a novel matching criterion
Available to PurchasePublisher: 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
Event detection using a fast matched filter algorithm — An efficient way to deal with big microseismic data sets
Available to PurchasePublisher: 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
Permian Basin case study part I: Constraining anisotropic velocity and improving microseismic event locations by using shear-wave splitting
Available to PurchasePublisher: 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
Crosscorrelation time-pick workflow of microseismic data starting from migration-based locations
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3425638
... phases. We applied our workflow to 50 minutes of microseismic data from a hydraulic fracturing monitoring campaign. The workflow provides high-quality picks for 689 out of a total of 805 detected events by using three representative template events. We validate the time picks by comparing event locations...
Proceedings Papers
Image-domain elastic wavefield tomography for passive data
Available to PurchasePublisher: 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 hydraulic fracturing source location geophysics inversion image-domain elastic wavefield tomography artificial intelligence imaging condition microseismic data seg international exposition...
Proceedings Papers
Elastic waveform inversion of downhole microseismic data for 3D VTI models
Available to PurchasePublisher: 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
High-resolution insights into hydraulic fracturing strike-slip seismicity: Hypocenter uncertainty, depth of initiation, and genesis mechanisms
Available to PurchasePublisher: 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
Fault stability evaluation based on microseismic data and sliding trend seismic attributes: A case study in the Sichuan Basin, Southwest China
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3212130
... characterization complex reservoir upstream oil & gas characteristic simulation microseismic data fault stability evaluation fracture zone fracture seg 10 well group seg international exposition case study References References Chen , Z. , L. Shi , and D. Xiang , 2016...
Proceedings Papers
Fracture detection using repeat crosswell seismic in a Marcellus Reservoir
Available to PurchasePublisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997734
... international exposition upstream oil & gas annual meeting hamilton fracture detection imaging repeat cross-well seismic microseismic data proppant acquisition tomography velocity change fracture seismic acquisition cross-well tomography microseismic event reservoir characterization...
Proceedings Papers
Persistent post-injection induced seismicity near Fox Creek, Alberta
Available to PurchasePublisher: 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
Increasing accuracy and precision for microseismic interpretation
Available to PurchasePublisher: 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 monitoring seg international exposition davis geophysics annual international meeting microseismic data upstream oil & gas source mechanism case study traveltime computation seg 10 References References Andersen , E. , H. Davey , C. Steinhoff...
Proceedings Papers
Automatic microseismic-event detection via supervised machine learning
Available to PurchasePublisher: 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
A debiasing approach to microseismic
Available to PurchasePublisher: 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...
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