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Understanding geological & geomechanical properties and behavior of rock units and formations is often paramount for successful long-term oil/gas exploration and production. Since the first commercial petroleum discoveries were made, lab analytical methods have developed and evolved to the point where almost every reservoir aspect can now be determined. With the rapid shift in exploration of unconventional reservoirs over the last 15 years, the challenge has become to adapt conventional testing protocols for completely different rock types. The analytical and service industry contribute much to understanding these new rock types, however, even today, some methods still have not been modified or changed to deal with tight rocks.
Raphael Wust, Ph.D., P.Geo., and Trican Technical Advisor has been invited to speak at the SPE’s 2015 Fall Breakfast Series in Calgary, Canada. Dr. Wust’s presentation will focus on two parts: 1) analytical methods and how core analyses have changed over the last few years, and 2) what kind of new tools and services have been developed specifically for evaluating fine-grained and ultra-tight rocks.
The emphasis has become to deliver quick and reliable rock property data with a particular focus on evaluating and developing horizontal unconventional wells. Rock sample analysis has come a long way, and although core testing is still the ideal way to recover solid parameters (mechanical, permeability, saturation, etc.), the large amount of horizontal wells has given rise to new cuttings investigations in order to gain new and better insights into horizontal rock variability (geosteering, lithological homogeneity), as well as new information for optimizing completions.
Raphael Wust received his MSc in Geology in 1995 from the University of Bern, Switzerland and his Ph.D. in Geology in 2001 from UBC in Vancouver, British Columbia. From 2002 to 2009, he was a Lecturer and Senior Lecturer in Marine Geology/Sedimentology at James Cook University in Townsville, Australia. Near the end of 2009, Raphael Wust joined Trican Geological Solutions Ltd. as a Technical Advisor in Calgary. He currently leads the Study Group that focuses on assessing unconventional targets including shales, tight silt, and sandstones around the globe. He is author and co-author of more than 40 scientific papers and numerous field-guides and technical reports