1. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Homogeneous reservoir and production of five wells Figure Legend:

2. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Heterogeneous reservoir and production of five wells Figure Legend:

3. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Bilinear flow Figure Legend:

4. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Linear flow Figure Legend:

5. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Southwestern energy gas type curve Figure Legend:

6. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Chesapeake gas type curve Figure Legend:

7. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Southwestern energy gas type curve plot versus t0.5 Figure Legend:

8. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Chesapeake gas type curve plot versus t0.5 Figure Legend:

9. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Area map of well locations in study area Figure Legend:

10. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Grouping example Figure Legend:

11. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Grouping of wells based on chronological sequence Figure Legend:

12. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Acceleration production Figure Legend:

13. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 EUR comparison between operator values and our method Figure Legend:

14. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Acceleration versus incremental plot Figure Legend:

15. Date of download: 6/24/2016 Copyright © ASME. All rights reserved. From: Infill-Drilling Potential in Tight Gas Reservoirs J. Energy Resour. Technol. 2012;135(1):013401-013401-8. doi:10.1115/1.4007662 Extrapolation to lower spacing Figure Legend: