Presentations of Frank R. Ettensohn, Ph.D., P.G. Senior Petroleum Geologist Jefferson Fellow Embassy Science Fellow, Kyiv).
Perspectives – 30 questions (Hydraulic Fracturing & US Experience)
Presentations of Frank R. Ettensohn, Ph.D., P.G. Senior Petroleum Geologist Jefferson Fellow Embassy Science Fellow, Kyiv).
Perspectives – 30 questions (Hydraulic Fracturing & US Experience)