Abstract: Ranking Operation Scenarios for Effective Mitigation of Hydraulic Fracture-Induced Seismicity

As a preview to our April 2018 RECORDER featuring the focus topic: Induced Seismicity, we present the following abstract for one of the featured articles.

A magnitude-based, traffic light protocol is the most common mitigation approach to injection-induced seismicity, adopted by both regulators and operators throughout North America (Table 1). Despite challenges associated with a protocol based on an estimate of seismic source strength, magnitude-based protocols still prevail over alternatives such as using measured ground motions. Regardless of the attribute adopted to trigger alert levels, the resultant question becomes what operational change should be made to best mitigate seismic hazard. In this paper, a workflow is discussed which uses a combination of field monitoring data and a geomechanical model to evaluate and rank the effectiveness of different operational scenarios.

Fig. 01
Table 1. Regulated traffic light thresholds in various regions.

 

To view this full article, CSEG Members may access the April 2018 RECORDER issue here. If you are not a member, this article will be released for public access in Winter 2018.

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Shawn Maxwell is President and Chief Technology Officer for Itasca IMaGE (Integrated Microseismic and Geomechanical Evaluation) based in Calgary. Previously he was Chief Geophysicist and Microseismic Advisor for Schlumberger, led microseismic development at Pinnacle Technologies (Halliburton) and ESG, and served as a Lecturer at Keele University in England. Shawn was awarded a Ph.D. specializing in microseismology from Queen’s University in Kingston, Canada.

Dr. Maxwell has published numerous technical articles and serves on various microseismic focused committees and workshops around the globe. He was an SPE Distinguished Lecturer and the 2014 SEG Distinguished Instructor Short Course “Microseismic Imaging of Hydraulic Fracturing: Improved Engineering of Unconventional Shale Reservoirs” and authored the first microseismic textbook as an SEG monograph by the same title.

Devin Garrett has worked as a microseismic specialist for IMaGE, Schlumberger and ESG Solutions, where he has focused on processing and interpreting ISM and microseismic datasets from all over the world, mainly concentrating on plays in North America. He has helped to develop tools and software to aid in processing and interpretation of ISM and microseismic datasets. He holds a bachelor’s degree in Geological Applied Science from Queen’s University.

Paige Mamer’s work in induced seismicity has led to improved public safety, government regulation, and company protocols. Paige has worked for Itasca Microseismic and Geomechanical Evaluation (IMaGE), MicroSeismic, Inc., and Encana Corporation as a Geophysicist and Technical Advisor. She graduated from Queen’s University with a Bachelor’s and Master’s in Geological Engineering, where she discovered her passion for induced seismicity. She shares this passion through her publications and geoscience community outreach.

Atena Pirayehgar works for Itasca-IMaGE Inc. as a geomechanics specialist and conducts numerical modeling and simulations in geomechanics along with microseismic evaluations. She holds a PhD from University of Waterloo in Geomechanics and was awarded NSERC IPS Graduate Scholarship during her program. Atena worked as a postdoctoral fellow at University of Toronto. She collaborated in numerous industrial projects and research developments in geo-science and geo-engineering.

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