Fracture imaging methods employing skeletonization of seismic emission tomography data
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United States of America Patent
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Jan 31, 2017
Grant Date -
Sep 27, 2012
app pub date -
Mar 23, 2011
filing date -
Mar 23, 2011
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Abstract
Disclosed herein are various embodiments of methods and systems for providing a graphical skeletonization representation of fractures and faults in a subsurface of the earth. According to some embodiments, as fracturing fluid is pumped into a target geologic formation through a well bore, and as the formation fractures or faults in response to the fracturing fluid being pumped under high pressure therein, seismic wavefronts are generated at points of fracture related to movement of a fluid pressure wave induced by fracturing or other fluids moving through the formation, or the extraction of fluids such as gas and/or oil from the formation, which are detected by surface and/or downhole sensors. Data corresponding to signals generated by the surface and/or downhole sensors are recorded and subsequently analyzed to determine in near real-time the locations of the fractures or faults using skeletonization data processing techniques and methods.
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