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The Geophysical Society of Pittsburgh is a nonprofit organization dedicated to promoting the science of geophysics in the Appalachian Basin. We are an official section of the Society of Exploration Geophysics (SEG). Monthly meetings are generally held from September to May on the first Tuesday of each month at various locations around the Greater Pittsburgh area. However, be sure to check the event calendar as exceptions to this rule occur often. All interested parties are encouraged to attend.


Upcoming events

October 04, 2016 5:00 PM (EDT) • Cefalo's, 428 Washington Ave. Carnegie, PA


October 4 GSP Monthly Meeting

Cefalo's, Carnegie, PA


Mapping Reservoir Stress Conditions

Using Hydraulic Fracturing Microseismicity

Orlando J. Teran
MicroSeismic Inc.

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Abstract: Focal mechanisms, when computed for an entire microseismic catalogue, permit a rapid assessment of the stress states throughout the stimulated reservoir. The premise for this is that the fracturing potential depends on the frictional resistance to slip and ratio of shear to normal stress on the plane (determined by fracture orientation within the stress field). Previous studies using borehole images and laboratory techniques have demonstrated READ MORE


Bio: Orlando’s career as a geophysicist began 2 years ago at MicroSeismic Inc., where his role includes processing and analysis of microseismic data as well as developing tools for advanced microseismic analyses. Prior to joining MicroSeismic, he pursued a graduate degree in structural geology in Baja California, where he studied active faults and a modern earthquake rupture. Orlando has a Ph.D. in Geology from Centro de Investigacion Cientifica y de Educacion Superior, Ensenada, Baja California, Mexico, and a BA in Geology from Western State Colorado University in Gunnison, Colorado. He has also co-authored articles published in Science and Nature.



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