DUG East 2014 Exploring the Geology of the Utica Gas and Liquids Areas Stuart Maier Vice President, Geosciences
Geologic Time Comparison These early marine life forms generated all Type I & Type II Kerogen best for Niobrara Eagle Ford generating lighter end hydrocarbons TMS Haynesville Eagle Ford TMS Fayetteville Barnett Woodford…
North America During Ordovician Time Present day eastern Ohio was located in south equatorial shallow seas, on the southeastern edge of the Laurentian sub-continent Modified from Mitchell and Bergstrm, 1991; and Ettensohn…
North America During Ordovician Time This area during Point Pleasant time was an isolated interior basin Source: Riley/Baronoski 4
Depositional Environment Key Factors Shallow, warm water Multiple sediment sources Anoxic Water Level Clastics Algae, Plankton, Plants, Shells Detritus Cyclical changes in water level, sediment load, and water influx result in…
Mineralogy Overview Limestone Layer Thin Section Carbonate grains, fossil fragments are pink Dark areas are clay and organic matter 6
Mineralogy Overview Shale Layer Thin Section Carbonate grains, fossil fragments are pink Quartz grains are white Dolomite is blue Dark areas show abundant organic matter 7
Pore Size and Distribution Point Pleasant Pore spaces are black Kerogen particles are grey Pore network resides predominantly in kerogen 10
Pore Size and Distribution Point Pleasant Overview Overview Organic Porosity System Interconnected High tortuosity Areas of restricted flow 11
Pore Size and Distribution Point Pleasant Overview Imitating the oil flow through in an Organic Porosity System 12
Pore Size Versus Hydrocarbon Molecule Size Approximate size of a very large oil molecule 13
Structural Cross-Section showing Point Pleasant Maturity Windows OHIO RIVER A B MT VERNON 0 10 20 GROH 1-12H IRONS 1-4H W. VIRGINIA ZANESVILLE MARIETTA MICHIGAN MILES OHIO APPALACHIAN BASIN OHIO…
Gulfports Presence in the Utica Shale / Point Pleasant Play Overview Gulfport entered the play early and aggressively in late 2010 Currently have approximately 179,000 net acres with 7 active drilling rigs Gulfport, along with…
Big Questions Surrounding Optimization Frac Design Well Spacing Lateral Length Lateral Orientation Production Rates These Are All Dependent Variables 16
Darla Pad Testing Optimal Spacing and Frac Optimization Geo- Model Micro-Seismic Chemical Tracers Optic Fiber Production Logs 17
Darla Pad Geo Model 18
Conclusion Utica/Point Pleasant is a unique and prolific play Gulfport entered the play early and aggressively Currently have approximately 179,000 net acres under lease with 7 rigs drilling Gulfport, along with other operators, is…
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