1. Exploring for fans in Falklands basins
Phil Richards BGS & Falkland Islands Government
Ian Duncan Desire Petroleum
Colin Phipps Desire Petroleum
Giles Pickering RPS Energy
Jan Grzywacz RPS Energy
Ruth Hoult BGS & Falkland Islands Government
Joanne Merritt BGS & Falkland Islands Government
                                                        

2. Talk outline: Fans in North Falkland Basin – why not drilled before?
Fans in Falkland Plateau Basin
Fans in Malvinas Basin
How identification of fans improves
prospectivity

3. North Falkland Basin:
lots of mid-basin
prospects – 6 drilled
in 1998
No attempt to
locate or drill
basin margin sands!

4. Potential sand input points, North Falkland Basin

5. Western Fans
Eastern Fans

6. The Western margin fansSW NE
Offset wells
Post-rift
Liz fan
Beth fan
= major unconformities
Late syn-rift
Jan fan
Early syn-rift

7. The Beth Fan:
4 way dip closure and
strat trap.

8. The Liz Fan:
no structural closure.
Strat trap only.

9. Channel with compaction drape and basal ?flat spot.
T-Block – North Sea
analogue

10. Where did the fans come from?
Hinterland for
deltas & fans

11. Deltas feeding Liz and Beth fans from west
Jan

12. Eastern Fans

13. Rachel
Ruth
Emma
Jenny
Joanne
Phyllis
Helene
Anna structure

14. Helene Fan.
Fed northwards down
Anna relay ramp?

15. The Rachel Fan:
the youngest fan,
and derived from a
relay to the north of
the older fans.

16. Hinterland for
fans from east N S

17. Maturity in
3D survey area
Early oil
Main oil
Late oil

18. Maturity in
3D survey area
Early oil
Main oil
Late oil

19. North
Falkland
Basin
Falkland
Plateau
Basin
Malvinas
Basin

20. Progrades into
Malvinas Basin

21. Progrades into Falkland Plateau Basin
2 to 5 step basinwards
New data shows each prograde has an attached low stand fan providing additional targets. 2 3 4 5 1

22. Visit the Falkland Islands booth in the International Pavilion.
Conclusions
Fans in all three basins provide great
exploration opportunities.
Previous drilling shows there are
working Petroleum systems.
New models show where to drill.
Visit the Falkland Islands booth
in the International Pavilion.