151898.fig.0017a
(a) Fracture spacing of 80 ft for gas price of $3/MSCF
151898.fig.0017b
(b) Fracture spacing of 70 ft for gas price of $4/MSCF
151898.fig.0017c
(c) Fracture spacing of 60 ft for gas price of $5/MSCF
Figure 17: The optimum fracture spacing with different gas prices.