1. Simplified diagram of fracking (from BBC website)1

2. IOD Report May 2013
  main-report.pdf
“studies and applies the lessons of previous energy developments;
investigates the economic impacts of potential UK shale gas production at scale; and
works out the practical steps, for both government and the private sector, to overcome the barriers to the establishment and growth of a UK shale gas industry.”

3. Data from Table 36 in IOD Report: 1 (One pad, 10 verticals 40 laterals)

4. Data from Table 36 in IOD Report: 2 (One pad, 10 verticals 40 laterals)

5. Hypothetical data for 100 well pads (my calculation based on IOD Table 36 data5

6. Royal Society/ Royal Academy of Engineering report