| licence no.054 | awarded 1979 (Shell) |
| licence no. 85 | awarded 1983 (Statoil, Saga, Hydro) |
| distance to shore /troll a : | 75 km/ 32km |
| Depth | 315 - 345m |
| Partners | 054/085/Total |
| hydro (Operator): | 4.9/9/7.68 |
| Statofl: | 58.8/82/74.57 |
| Shell: | 25.9/-/8.28 |
| Saga: | -/6/4.08 |
| Elf: | 3.1/2/2.35 |
| Conoco: | 5.19/-/1.66 |
| Total: | 2.1/1/1.35 |
| reservoir formation/age: | Sognefjrd/late lurassic |
| deptm to oil/water contact: | 1557mMSL |
| oil columun thickness: | 12-14m |
| STOOIP: | 451 MSm3 |
| GOIP: | 547 GSm3 |
| oil reserves: | 123 MSm3 |
| Porosity: | 17-38%, (29% avg) |
| Permeability | 5-20000 mD |
| oil density | (kg/m3):890 |
| oil viscosity | (cp):1.75 |
| gor (Sm3/Sm3) : | 56 |
| reservoir press. / temp. (1547m): | 158bar / 68 deg.C |
| number of producing wells : | 70 (incl. T-group wells) |
| water injection well Tro;; pilot : | 1 |
| number of subsea well groups : | 12 |
| design Capacities | troll C/troll B |
| oil production (Sm3/sd) : | 30.000/42.500 |
| liquid production(Sm3/sd) : | 60.000/75.000 |
| water production(Sm3 /sd) : | 40.000/40.000 |
| Assoc. gas prod. (MSm3/sd) : | 9/7 |
| total displacement (tonnes) : | 56.100/193.700 |
| living quarter (persons): | 70/100 |
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