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Hydraulic Fracturing and Drilling Activities in the Bakken Region: A Comparative Analysis

This presentation, led by Steve Kilbreath from MDEQ, explores drilling and hydraulic fracturing activities in the Bakken formation, comparing data from Montana and North Dakota. Highlighting significant differences in production trends, rig counts, and permitting challenges, it delves into the impacts of anthropogenic activities related to oil and gas development. The analysis includes graphs showing production statistics, regulatory issues related to wastewater, and environmental considerations, making it a vital resource for understanding the dynamics of oil extraction in this region.

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Hydraulic Fracturing and Drilling Activities in the Bakken Region: A Comparative Analysis

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Presentation Transcript

  1. Drilling, Hydraulic Fracturingand DEQ in the BakkenSteve Kilbreath, MDEQSlides from various sourcesIncluding Tom Richmond, MBOGC

  2. All Oil Activity

  3. Is Oil & Gas Development New? Data From The DNRC Montana Board of Oil and Gas Data Miner Application

  4. Horizontal Drilling Activity

  5. Interesting DifferencesMontana vs North Dakota

  6. Note: Mt curve only reflects the Elm Coulee data

  7. 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

  8. Montana vs North Dakota Daily Production 2008

  9. Rigs and Production • December Production • North Dakota 23.5 MBls • Montana 2.3 Mbls • Current Rig Count • North Dakota – 176 • Montana - 11

  10. Impact timing for Montana Anthropogenic impacts in Montana relate to North Dakota increases! We weathered through Elm Coulee just fine!

  11. Impact timing for Montana Anthropogenic impacts in Montana relate to North Dakota increases! We weathered through Elm Coulee in 2005 and 2006 just fine!

  12. 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

  13. Water Quality Issues“What the frack”

  14. Fracturing Process Frac fluid additives Concentrated gel High-pressure pumping equipment Water Proppant mixing/blending Frac fluid mixing/blending Wellhead connection Source: Schlumberger

  15. 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

  16. Where is this all going?

  17. The End - Any questions?

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