Scripted HTML version of Foils prepared 26 January 97 
| Oil Resevoir Simulation |
| Geological variation occurs down to pore size of rock - almost 10-6 metres - model this (statistically) |
| Want to calculate flow between wells which are about 400 metres apart |
| 103x103x102 = 108 grid elements |
| 30 species |
| 104 time steps |
| 300 separate cases need to be considered |
| 3x109 words of memory per case |
| 1012 words total if all cases considered in parallel |
| 1019 floating point operation |
| 3 hours on a petaflop computer |
