Statfjord - General Information Geography Fig. 1.7

Statfjord Field Discovered 1974 Start production 1979 25 km B40 B42 B41 B35 B38 B28 B28A 24-4 B30 24-1 B26 B14 B4 B9 B10 B15 B22 B25 B23 B36 B27 B33 B16A B34 B39 B19 B37 B24 B2A A25 A22 A14 A15 A19 9-1 A36 A30 B2 B1 B12 B5 A35 A23A A41 A40 B3 B6A B17 A38A A29 12-2 B8 B7 B13 B21 B29 B18 A31 A32A A18 12-4 A24 A37 A33 A10 A20A A3A A3 A42 A27 A23 A37A A28 A32 A4 A26 C30 C19 C14 C4 A9 A1 C35 C25 C9 C1 C12 9-3 C32 C20 C28 C33 C26 C42 A11 A16 A2A A6 9-4 C18 C6 C11 C7 C21 C16 C27 C37 C13 C38 C31 C34 C39 A13 A2 A17 A12 A27A A7 C40 A8B A8 A8A C2 9-5 C24 C10 C10A 9-9 A39 B32 B31 A6A OWC = 2586.3 OWC = 2597.0 2700 2500 C22 C41 A15A B10A 2600 A31A UK B11 C15 C5 A16A B 23A C17 B41A C3 B2B B22A C11A C29 C36 C23T2 C23A G3H A40A B14A B28C B28B B38A A41A C19A C42A A11A&B B39B B24A B35A B16B C12A C12B A35A C8 C30A A13A C23B C18A B6B A25A C40A C5A C19B Statfjord Field Fig. 1.8 25 km Discovered 1974 Start production 1979 SFB SFC SFA 280 wells incl. sidetracks 124 active wells 220 saturation logs 340 production logs 4 km

Statfjord – production Cumulative Oil Production STOOIP*) & Reserves Fig. 1.9 *) STOOIP= Stock Tank Oil Originally In Place

Statfjord – Production Gas Utilization Performance History Fig. 1.10

Statfjord – Production Oil Production by Platform Fig. 1.11

East West Cross Section Fig. 1.12 East West Cross Section Main Field East Flank -2400 -2900 -3400 4000 3000 2000 1000 West East Upper Brent Lower Brent Dunlin (Cook) Upper Statfjord Lower Statfjord

Remaining Reserves East Flank Attic By-passed Undrained Cook Fig. 1.13 Remaining Reserves East Flank Attic By-passed Undrained Cook -2400 -2900 -3400 4000 3000 2000 1000 West East Wedge zone

Fig. 1.14 CRETACEOUS PANNOTIA RODINIA PANGEA 66 245 600 570 1.6 285 URALIDENE 66 245 600 570 1.6 CAMPANIAN PANNOTIA 285 1000 RODINIA CRETACEOUS NORD ATLANTISK 24 APPALACHENE 360 SÖR ATLANTISK 144 408 SÖR INDISK KALEDONIDENE 37 163 MIDTRE ATLANTISK BRENT 2500 438 DUNLIN STATFJORD 208 505 57 240 4000 66 245 570 PANGEA

Fig. 1.15 Middle Triassic (230 Ma)

Fig. 1.16 Early Jurassic (200 Ma)

Fig. 1.17 Middle Jurassic (170 Ma)

Fig. 1.18 Late Jurassic (145 Ma)