...Time-frequency sparse Gabor transform for detecting microseismic events Hanh Bui*, Mauricio D. Sacchi, and Mirko van der Baan, University of Alberta Summary a function of time. Several studies have applied the TF analysis to detect microseismic events (Gabarda and Event detection is a challenging...

... exploration geophysicist 10 reservoir characterization microseismicity microseismic cloud van der baan cnn model mirko van der baan Real-time prediction of the microseismic cloud size: A comparison between a physics-based model and a machine learning approach Jorge Nustes Andrade and Mirko van der...

... microseismic event inversion result hydraulic fracturing mechanism p-and s-wave amplitude amplitude upstream oil & gas van der baan tensile inversion reservoir characterization applied geoscience montney reservoir source mechanism moment-tensor inversion exploration geophysicist 10...

... distributed acoustic sensing detection reservoir characterization international joint conference van der baan exploration geophysicist 10 applied geoscience wang feature extractor hydraulic fracturing convolutional autoencoder inversion ±º ô ±º ß ·² ±º ±º ¿ ¬± ·­ ·² ̱ ©» ¿ ©...

... monitored by a DAS fiber. A comparison with locations obtained from microseismic monitoring using geophones in a nearby borehole shows the robustness of RTI for microseismic event localization. upstream oil & gas localization exploration geophysicist 10 hydraulic fracturing van der baan fiber...

... Location: 360C Presentation Type: Oral reservoir characterization euclidean distance artificial intelligence difference profile hydraulic fracturing van der baan exploration geophysicist 10 noise seg international exposition novel matching criterion chao zhang machine learning upstream...

... 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...

..., 2019 Session Start Time: 8:30 AM Presentation Start Time: 11:25 AM Location: 303B Presentation Type: Oral permeability carthage cotton valley gas field van der baan flow in porous media hydraulic fracturing microseismicity microseismic event upstream oil & gas pore pressure...

... reservoir geomechanics reservoir characterization input parameter depth-dependent fault slip upstream oil & gas van der baan slip direction failure criterion fault slip fault reactivation shear stress reactivation plane seg international exposition safety distance principal stress annual...

...: Monday, September 16, 2019 Session Start Time: 1:50 PM Presentation Start Time: 3:30 PM Location: 214D Presentation Type: Oral phase correction geophysics upstream oil & gas van der baan phase shift skewness seismic data reference trace reservoir characterization similarity zero...

... castellano microseismicity van der baan stress change upstream oil & gas reservoir characterization event location horizontal tunnel network Barthwal , H. , and M. van der Baan , 2014 , Passive seismic tomography using recorded microseismicity : 84th Annual International...

... van der baan seismic data data quality seismic wavelet attenuation compensation correction synthetic seismic wavelet attenuation correction method geophysics frequency shift method wavelet frequency Braga , I. L. S. , and F. S. Moraes , 2013 , High-resolution gathers...

... Start Time: 4:20 PM Location: 362D Presentation Type: ORAL inversion upstream oil & gas source mechanism mechanism van der baan hydraulic fracturing microseismic event microseismic source mechanism pembina field shear mechanism seg seg international exposition alberta tensile...

... reservoir characterization geophysics seismic interpretation van der baan basis pursuit wavelet phase map information spectral decomposition Beck , A. , and M. Teboulle , 2009 , A fast iterative shrinkage-thresholding algorithm for linear inverse problems : SIAM Journal...

... Presentation Type: ORAL wavefield localization equation elastic microseismic source localization elastic wave equation upstream oil & gas annual meeting van der baan rotational motion wave equation seg seg international exposition particle velocity spatial gradient velocity model...

... monitoring involves locating and characterizing microseismic events triggered by human activity (Van der Baan et al., 2013). The most common application of the technology in the hydrocarbon industry is to monitor hydraulic fracturing treatments. Accurate microseismic event locations aid in understanding...

... Integrated time-lapse analysis of shallow gas movement Hung N. Dinh *and Mirko Van der Baan, University of Alberta; Martin Landro, Norwegian University of Science and Technology Summary We investigate the influence of geological structure on shallow gas migration over 25 years in two shallow sand...

... spectral density (PSD) technique introduced by Vaezi and van der Baan (2014) and the STA/LTA algorithm, when applied to unfiltered single-trace data recorded by a geophone of a borehole array in a microseismic experiment. We conclude that compared to the STA/LTA method, the PSD technique not only detects...

... Baan, 2013). A total of 6287 waveforms with observable P-wave arrivals were selected for the processing. Barthwal and Van der Baan (2014) used double difference tomography to invert for P-wave velocities and found that the epicenter of the seismic events fell in a region characterized by a transition...

... research inversion arrival time passive seismic tomography upstream oil & gas high velocity zone inverted velocity model application van der baan differential arrival time reservoir characterization algorithm cross section velocity model event location event pair tomography...