A key ingredient for sustainable consumption of oil and gas for the future is successful management of carbon dioxide emissions. At the Illinois Basin – Decatur Site, CO2 injection into a deep saline reservoir started in 2011. The two projects at this site, a large-scale demonstration and an industrial-scale demonstration, together have successfully injected more than 3 million metric tonnes of CO2 and injection is ongoing. The extensive monitoring program in place at the site provides valuable information for optimizing future monitoring programs, and critical data on the reservoir response to the injected fluid that will aid in selection of future carbon sequestration sites.
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Sherilyn Williams-Stroud is a Research Scientist, Structural Geologist, at the Illinois State Geological Survey/University of Illinois Urbana-Champaign and President of Confractus, Inc., which she formed to do specialized structural geology consulting in the oil & gas sector. Her areas of expertise include structural and fracture analysis and modeling for geo-energy production, with a specialization in microseismic data interpretation and induced seismicity. She began her career in 1988 at the U.S. Geological Survey doing research in the Energy Resources Branch, and then working on fracture characterization for the Yucca Mountain Project. She stepped out of research for about two years to the position of Staff Scientist for Program, where she oversaw the USGS Central Region shared facilities; The Core Research Center, the Nuclear Reactor Facility, and the Microbeam Lab. In 1998 she returned to research in the private sector as a Senior Research Scientist with ChevronTexaco Exploration and Production Technology, during which time she also taught geology as an adjunct at the University of Houston. She was a full-time faculty member at Whittier College when she joined Midland Valley Exploration, a software and consulting company in Glasgow, Scotland, as the Geology Team Leader and the Technical Lead for development of their fracture modeling module. She left Midland Valley in 2008 to join MicroSeismic, Inc., where prior to becoming their Chief Geologist, she partnered with the Chief Geophysicist to develop a patented methodology to integrate microseismic data into geologic interpretations for fracture modeling of microseismic results for use in reservoir simulation.
Before establishing Confractus, Inc. she was a senior geological advisor with Occidental Oil and Gas and California Resources Corp. In addition to teaching industry short courses, she has also held adjunct positions at California State U. Los Angeles and Northridge. She is an active member of several professional organizations and as an AAPG Visiting Geoscientist since 2014, she visits colleges and universities to present technical and career-related talks to students on a regular basis. She served for 4 years as a member of the National Academies of Sciences Engineering and Medicine (NASEM) Committee on Seismology and Geodynamics, and continues the pursuit of integrating scientific knowledge related to induced and natural earthquakes and translating that knowledge to real understanding by the general public.
Dr. Williams-Stroud received her B.A. in geology from Oberlin College, and her M.A. and Ph.D. in structural geology, both from The Johns Hopkins University.