Speaker: Thomas Johnston President and CEO at ShearFRAC
Title: Fracture Type Identification for Real-Time Pumping Parameters Optimization to Maximize Hydraulic Fracturing Surface Area for Production
Tom started thinking about how unconventional rocks fail in high school and went on to gain an MS Geology from Penn State University, focusing on geomechanics and reservoir engineering. Tom honed his passion for unconventional reservoir development at Noble Energy in the Marcellus, Eagle Ford, and Permian Basins. His last position at Noble Energy was as a development and operations geologist before joining ShearFRAC™.
Abstract:
Unconventional reservoirs are filled with extensive micro-fractures created by hydrocarbon expulsion that are reactivated when hydraulic fracturing. Unlike fracturing more conventional rock that is reliant on highly conductive tensile fractures, these micro-fractures fail in shear and greatly increase the connected surface area to nanodarcy unconventional rock. By actively increasing the number of shear fractures created during hydraulic fracturing, operators can re-enter these micro-fractures and maximize the well’s productivity. The talk will present modern physics based on hydraulic fracturing and proppant placement coupled with the field use of real-time software capable of measuring and qualifying tensile and shearing fractures on a second-by-second basis and how operators made “on-the-fly” changes to their pumping schedule to maximize shear fracturing. Case histories will be presented showing the real-time changes and added production benefits of shear fracturing.
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