Dan Kohlruss is a Senior Petroleum Research Geologist with the Saskatchewan Geological Survey. He received his B.Sc. and M.Sc. degrees at the University of Regina in 1997 and 2012 respectively. Beginning in 1998, Dan consulted as a well-site geologist throughout Alberta and Saskatchewan and then moved to Saskatchewan’s Department of Energy and Mines in 2001. Dan joined the Geological Survey in 2007 where his current research includes the study of karst features in the Madison Group and Success Formation as well as the study of clastic sedimentology and stratigraphy of Saskatchewan’s Viking Formation, Mannville Group and Bakken Formation.