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- W1997655671 abstract "PreviousNext No AccessUnconventional Resources Technology Conference, Denver, Colorado, 12-14 August 2013Ambient Fracture Imaging: A New Passive Seismic MethodAuthors: Alfred LacazetteJan VermilyeSamuel FerejaCharles SickingAlfred LacazetteGlobal Geophysical Services Inc., Microseismic Services Division, 1625 Broadway St., Suite 1150, Denver, Colorado 80202Search for more papers by this author, Jan VermilyeGlobal Geophysical Services Inc., Microseismic Services Division, 1625 Broadway St., Suite 1150, Denver, Colorado 80202Search for more papers by this author, Samuel FerejaGlobal Geophysical Services Inc., Microseismic Services Division, 1625 Broadway St., Suite 1150, Denver, Colorado 80202Search for more papers by this author, and Charles SickingGlobal Geophysical Services Inc., Microseismic Services Division, 1625 Broadway St., Suite 1150, Denver, Colorado 80202Search for more papers by this authorhttps://doi.org/10.1190/urtec2013-244 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract URTeC 1582380 Knowledge of discrete transmissive features such as faults or fracture zones prior to drilling offers substantial benefits for all phases of operations from exploration to development planning and hydraulic fracture design. We describe a new application of a relatively new passive-seismic method. The product is images of seismic activity produced by discrete features such as faults and fractures in the reservoir prior to drilling. We will present data acquired with passive seismic listening arrays in two unconventional reservoirs and a fractured carbonate reservoir. An extensive body of literature shows that fracture/fault zones with high resolved shear stress correlate positively with fracture transmissivity. In many cases, discontinuities with high resolved shear stress will be the most microseismically active. This method therefore allows mapping of many hydraulically transmissive zones prior to drilling or any other activity. The passive seismic method (Tomographic Fracture Imaging™ or TFI) directly images seismically active hydraulic fractures and natural fractures as complex surfaces and networks. Until recently, TFI has been used primarily to image hydraulic fracture treatments. We report a new application: imaging ambient seismic activity both prior to frac monitoring and by quiet-time monitoring using 3D reflection grids, i.e. by recording on a reflection grid or dedicated passive seismic grid when shooting or vibrating is not in progress. The resulting images reveal seismically active fracture and fault zones that correlate well with features illuminated by fracing or that are imaged by 3D reflection seismic attributes. The presence and hydraulic transmissivity of some of these features have been validated by independent measures including chemical tracers and pressure monitoring. This work also considers drivers of ambient seismic activity including earth tides and epeirogenic movements. Earth stress studies have established that the brittle crust is a self-organizing critical system in a state of frictional equilibrium and hence is constantly on the verge of movement. The earth’s brittle crust is continually loaded by a variety of forces although tectonic movements, isostacy and isostacy-related flexure appear to dominate. It has been shown that stress or pressure changes of less than 0.01 atmospheres can stimulate seismicity. We present our work to date on quantitative correlations between earth tides and ambient seismic activity imaged on large grids. The results suggest that earth tides help stimulate release of stored elastic strain energy in the brittle crust. Keywords: fractures, carbonate, faults, imaging, arrays, unconventionalPermalink: https://doi.org/10.1190/urtec2013-244FiguresReferencesRelatedDetailsCited byHydraulic Fracturing3 January 2020High-sensitivity microseismic monitoring: Automatic detection and localization of subsurface noise sources using matched-field processing and dense patch arraysMałgorzata Chmiel, Philippe Roux, and Thomas Bardainne23 October 2019 | GEOPHYSICS, Vol. 84, No. 6References4 October 2019Thinning Tomography Fracture Imaging of Hydraulic Fractures: Method and ApplicationDewei Li and Ruizhao Yang30 April 2019Hydraulic Fracturing22 January 2019АКУСТИЧЕСКИЕ ЭФФЕКТЫ ПРИ ДЕФОРМИРОВАНИИ СТРУКТУРНО НЕОДНОРОДНЫХ СРЕДАкустический журнал, No. 1Pre-drill Reservoir Evaluation Using Passive Seismic ImagingCharles Sicking, Jan Vermilye, and Ashley Yaner3 August 2016Long-term monitoring of microseismic emissions: Earth tides, fracture distribution, and fluid contentOleg L. Kouznetsov, Yury F. Lyasch, Igor A. Chirkin, Evgeny G. Rizanov, Samuel D. LeRoy, and Sergey O. Koligaev18 April 2016 | Interpretation, Vol. 4, No. 2Predicting Frac Performance and Active Producing Volumes Using Microseismic DataCharles Sicking, Jan Vermilye, and Alfred Lacazette12 August 2015Fracture Surface Extraction and Stress Field Estimation From Three-Dimensional Microseismic DataDylan M. Copeland* and Alfred Lacazette12 August 2015Passive Seismic Methods for Unconventional Resource Development3 July 2015Fundamental controls on fluid flow in carbonates: current workflows to emerging technologies12 November 2014 | Geological Society, London, Special Publications, Vol. 406, No. 1Predicting Frac Performance and Active Producing Volumes Using Microseismic Data4 August 2015Geomechanical and Flow Simulation of Hydrofracs Using High-Resolution Passive Seismic ImagesA. Lacazette*, J. Vermilye, and W. Dershowitz24 September 2014Evaluating the Effect of Natural Fractures on Production from Hydraulically Fractured Wells Using Discrete Fracture Network ModelsThomas Doe, Alfred Lacazette, William Dershowitz, and Clifford Knitter26 September 2013 Unconventional Resources Technology Conference, Denver, Colorado, 12-14 August 2013ISSN (online):2159-6832Copyright: 2013 Pages: 1229 publication data© 2013 Published in electronic format with permission by the Society of Exploration Geophysicists, American Association of Petroleum Geologists, and Society of Petroleum EngineersPublisher:Unconventional Resources Technology ConferenceSociety of Exploration Geophysicists HistoryPublished Online: 26 Sep 2013 CITATION INFORMATION Alfred Lacazette, Jan Vermilye, Samuel Fereja, and Charles Sicking, (2013), Ambient Fracture Imaging: A New Passive Seismic Method, SEG Global Meeting Abstracts : 2331-2340. https://doi.org/10.1190/urtec2013-244 Plain-Language Summary KeywordsfracturescarbonatefaultsimagingarraysunconventionalPDF DownloadLoading ..." @default.
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