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Drilling, Hydraulic Fracturing and DEQ in the Bakken Steve Kilbreath, MDEQ Slides from various sources Including Tom Richmond, MBOGC. All Oil Activity. Is Oil & Gas Development New?. Data From The DNRC Montana Board of Oil and Gas Data Miner Application. Horizontal Drilling Activity.
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Drilling, Hydraulic Fracturingand DEQ in the BakkenSteve Kilbreath, MDEQSlides from various sourcesIncluding Tom Richmond, MBOGC
Is Oil & Gas Development New? Data From The DNRC Montana Board of Oil and Gas Data Miner Application
Bakken/Three Forks Cross-Section Lodgepole A A’ Upper Bakken Middle Bakken Lower Bakken 1st TF 375’ 2nd TF 3rd TF Organic Shale MB Limestone/Dolomite/Sand MB Shaley Limestone/Dolomite 4th TF Three Forks Dolomite Anhydrite Nisku/Birdbear Shale • 1st and 2nd dolomite benches widespread across basin • 3rd bench dolomite widespread but more shale breaks and anhydrite • 4th bench dolomites locally developed
Rigs and Production • December Production • North Dakota 23.5 MBls • Montana 2.3 Mbls • Current Rig Count • North Dakota – 176 • Montana - 11
Impact timing for Montana Anthropogenic impacts in Montana relate to North Dakota increases! We weathered through Elm Coulee just fine!
Impact timing for Montana Anthropogenic impacts in Montana relate to North Dakota increases! We weathered through Elm Coulee in 2005 and 2006 just fine!
DEQ Related Issues Permitting and compliance Gravel mining Subdivision Stuff – Temporary Work Force Wastewater, Wastewater, Wastewater Zombies Air registry permits Solid Waste Discharge permits – produced water Sewage Pumpers Water Quality Issues Enforcement Issues
Fracturing Process Frac fluid additives Concentrated gel High-pressure pumping equipment Water Proppant mixing/blending Frac fluid mixing/blending Wellhead connection Source: Schlumberger
Frac Tanks – Hold Flowback Water Frac Head/Goat Head Sand Storage Units Frac Pumps Data Monitoring Van Blender Pumps Chemical Storage Trucks Frac Tanks – Hold Fresh Water Gel Slurry Tanker Truck Chesapeake Rock Cave Marcellus Shale Well, West Virginia