1. U.S. Shale Gas Resources, Reserves and $$$ John B. Curtis Potential Gas Agency Colorado School of Mines

2. Location of U.S Shale Gas Plays U.S. Energy Information Agency, March 2010

3. Oil Shale Gas Hydrates Tight Gas Sands; CBM; Gas Shales Tight Oil; Heavy Oil; Bituminous Sands Oil Gas Conventional Reservoirs: Small Volumes, Easy to Develop Unconventional Reservoirs: Large Volumes, Hard to Develop Huge Volumes, Difficult to Develop Increasing Product Price Improving Technology Province Resource Size The Resource Pyramid (S. Sonnenberg, CSM)

4. Shale Gas Annual Production and Energy Information Administration (EIA) Forecast EnCana

5. Targeted Research – $150 Million

6. Acquisitions – >$50 Billion Source: Trollart.com – Ray Troll

7. Resource Development – >$15 Billion Source:devonenergy.com Source:AAPG Source:chiefoiland gas.com

8. Hydrocarbons From Shale – Never Say Die

10. Shale Gas Reservoir Mechanisms U.S. DOE

11. Exploration Considerations Natural fractures - Friend or Foe? Facies changes - greater permeability Kerogen type - I,II,IIS,III Microbial or thermogenic gas? Thermal maturation history MWD - especially w/ gas isotopes

12. Some Elements of a Successful Shale Gas Play Productivity Gas-In-Place Thickness Organic Richness Organic Richness Maturation Brittleness Mineralogy Permeability Pore Pressure Pore Pressure

13. Potential Supply of Natural Gas in the United States Report of the Potential Gas Committee (December 31, 2008)

14. Regional Resource Assessment Data source: Potential Gas Committee (2009) Traditional1,673.4 Tcf Coalbed 163.0 Tcf Total U.S.1,836.4 Tcf Traditional1,673.4 Tcf Coalbed 163.0 Tcf Total U.S.1,836.4 Tcf 353.5 17.3 455.2 3.4 24.0 16.6 193.8 57.0 51.3 2.6 274.9 7.5 374.4 51.9

15. PGC Resource Assessments, 1990- 2008 Data source: Potential Gas Committee (2009) Total Potential Gas Resources (mean values)

16. Possible Constraints on Future Gas Supply Sufficient Supply to Meet Demand Sufficient Supply to Meet Demand Technology Resource Base Resource Base Environmental Concerns Environmental Concerns Skilled Workforce Skilled Workforce Regulatory & Land Issues Regulatory & Land Issues Gas Price Pipeline Capacity Pipeline Capacity Rig Availability Rig Availability

17. Potential Gas Agency