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Oil & Gas Reasonable Foreseeable Development (RFD) Scenario 

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Report

• Title Page
• Signature Page
• Reasonable Foreseeable Development Scenarios for Oil & Gas Development in the South Dakota Field Office
• Figures and tables listed below
• Appendix Figures and Tables

Figure 1. The South Dakota Study Area and its location within the South Dakota Planning Area. Figure 2. Location and initial status of all wells drilled within the South Dakota Study Area. Figure 3. Major structural elements of the South Dakota Study Area. Figure 4. Stratigraphic chart of South Dakota Study Area, with oil and gas bearing zones indicated. Figure 5. Field boundaries within Harding County, in the northern part of the South Dakota Study Area. Figure 6. Field boundary within Dewey County, in the northern part of the South Dakota Study Area. Figure 7. Field boundaries within Fall River and Custer Counties, in the southwestern part of the South Dakota Study Area. Figure 8. Location of all Harding County oil and gas unit agreements within South Dakota Study Area. Figure 9. Location of all Fall River County oil and gas unit agreements within South Dakota Study Area. Figure 10. Location of all communitization agreements within South Dakota Study Area. Figure 11. Views of the Indian School water well showing bubbles from associated gas (top) and New Gas No. 1 well (bottom), Pierre, South Dakota, circa 1929(Bureau of Land Management, Wyoming State Office archives). Figure 12. Oil and gas yearly production rates for South Dakota Study Area. Figure 13. Oil and gas cumulative production rates for South Dakota Study Area. Figure 14. Historical five year epoch oil production data for South Dakota Study Area. Figure 15. Historical five year epoch gas production data for South Dakota Study Area. Figure 16. Known areas of coal bearing sediments within South Dakota Study Area, Fort Union and Black Hills coal regions. Figure 17. Range of drilling depths for all vertical and deviated (directional and horizontal) wells, within South Dakota Study Area (IHS Energy Group, 2008). Figure 18. All vertical and all deviated wells with a recorded true vertical depth greater or less than 5,000 feet deep within the South Dakota Study Area. Figure 19. Range of drilling depths for all vertical and deviated (directional and horizontal) producing wells within South Dakota Study Area (IHS Energy Group, 2008). Figure 20. All producing vertical wells and all producing deviated wells with a recorded true vertical depth greater or less than 5,000 feet deep within the South Dakota Study Area. Figure 21. Wells spudded between January 1, 1998 and December 31, 2007 within the South Dakota Study Area. Figure 22. Chart of frequency of horizontal wells spudded in the South Dakota Study Area from 1994 through 2007. Figure 23. Geographic distribution of water quality samples across the Study Area and distribution of sample salinity. Figure 24. Potential for occurrence of oil and gas within South Dakota Study Area, 2010 through 2029. Figure 25. South Dakota historical natural gas prices with future natural gas price projections (Energy Information Agency, 2008) Figure 26. South Dakota historical crude oil prices with future crude oil price projections (Energy Information Agency, 2008). Figure 27. Leased and unleased Federal oil and gas minerals within South Dakota Study Area. Figure 28. Present two-dimensional seismic survey density with South Dakota Study Area. Figure 29. Oil and gas (excluding coalbed natural gas) development potential within South Dakota Study Area, 2010 though 2029. Figure 30. Coalbed natural gas development potential within South Dakota Study Area, 2010 through 2029. Table 1. Cumulative oil and gas production by field for the South Dakota Study Area.  Table 2. Cumulative oil and gas production by operator for the South Dakota Study Area. Table 3. Active secondary and enhanced recovery units in the Study Area. Table 4. Estimated oil and gas (excluding coalbed natural gas) development potential classification acres, number of townships, projected average drilling densities, and percentage of the South Dakota Study Area within each development potential classification type for the period 2010 through 2029. Table 5. Annual projection of South Dakota Study Area wells drilled from 2010 through 2029 and their associated confidence interval. Table 6. Forecast of South Dakota Study Area annual and cumulative oil and gas production for 2010 through 2029. Table 7a. Disturbance Associated With New Drilled Wells, Existing Wells, and Projected Active Wells for the Baseline Scenario (Short-Term Disturbance). Table 7b. Disturbance Associated With New Producing Wells, Existing Wells, and Projected Producing Wells for the Baseline Scenario (Long-Term Disturbance).