Fig. 13 Iteration of NPV: (a) gas price of USD 5/Mcf and (b) gas price of USD 3/Mcf. More

Figure 2 Doris Horizontal Well Netbacks ($/mcf) and Realized Gas Price ($/mcf) More

Figure 14 Gas rate (Mcf/M, left) and cum gas (Mcf, right) comparison on optimized wells and offsets More

Fig. 14 Fracture-half-length distribution: (a) gas price of USD 5/Mcf and (b) gas price of USD 3/Mcf. More

Fig. 15 Fracture-conductivity distribution: (a) gas price of USD 5/Mcf and (b) gas price of USD 3/Mcf. More

Fig. 16 Distribution of half-length range: (a) gas price of USD 5/Mcf and (b) gas price of USD 3/Mcf. More

Fig. 3 Annually averaged prices for natural gas (USD/million Btu ≈ USD/Mcf) in the world's major gas markets ( BP 2011 ). More

Fig. 9 Breakdown of commodity cost per barrel oil equivalent (BOE) and Mcf gas equivalent (Mcfe) for conventional 2009 production by the five leading Oil Majors: Exxon (XOM), Shell (RDS), Chevron (CVX), British Petroleum (BP), and Total S.A. (TOT). Direct taxes include production tax, severance ta... More

Fig. 13 Initial daily production data (Mcf) of wells treated with various fluids. More

Fig. 13 Cumulative CO 2 use (Mcf/bbl) vs. cumulative CO 2 injection. More

Figure 3 Stimulated reservoir volume(SRV) vs. the production in Mcf per day by well number. The production numbers show the total production for the first three months. SRV is represented as the blue line and the production is shown in red. More

Figure 6 Present Value Central Alberta 500 Mcf/d Well More

Figure 7 Present Value Central Alberta 2000 Mcf/d Well More

Figure 8 Present Value Milk River 50 Mcf/d Well More

Figure 9 Present Value Milk River 200 Mcf/d Well More

Figure 10 Present Value Foothills 5000 Mcf/d Well More

Figure 11 Present Value Foothills 10,000 Mcf/d Well More

Figure 12 Central Alberta 1000 Mcf/d Well Price Sensitivities More

Figure 13 Central Alberta 1000 Mcf/d Before Tax - Reserves Sensitivities More