What sort of basin is the NFB Lower Cretaceous rift basin One of the most prolific basin types Predominantly continental sediments Fluvial /alluvial Lacustrine Late marine influence (no impact on H/C potential) Multiple play…
Why focus in the northern area Mature Source Rock Major Early Post-Rift Fan Systems for PL004 Sea Lion Sea Lion Field Casper South Jayne Rachel F Sequence Source Rock Area: 1,747 km Max Thickness: 646 m Generated Oil: 52…
Importance of the merged 3D seismic Pre-2012 Post-2012 2012 Merge 3D Seismic East Flank East Flank Play Fairway Play Fairway Sand Sand Entry Points Entry Points 2004 3D Seismic 2004 3D Seismic Source : www.desireplc.co.uk…
Characteristics of the East Flank play Sands sourced from the eastern margin of the basin Flank Turbidites Inter-bedded with mature oil Axial Fluvial/Deltaic Mass Flow source rock Stratigraphic/fault trapping to the east Lateral…
Seismic expression of different plays W 14/19-1 E Post-Rift Structural / Stratigraphic Traps Post-Rift 2000m Syn-Rift Early Post-Rift Structural Traps 2360m : Onset East Flank Stratigraphic Traps of oil generation…
Discoveries to date in the NFB Sea Lion Complex Early post-rift Oil and Gas Multiple connected reservoirs Multiple appraisal wells Near-term development Liz Discovery (14/19-1) Syn-rift stratigraphic trap Gas and wet gas Two…
Sea Lion Drilling History 14/10-7 Successfully penetrated the northern limit Top SLMC Depth (m) of the SLMC 14/10-4 Downdip appraisal. Encountered OWC at 2477m TVDss 14/10-5 Updip appraisal for DST. Flowed 5508 stb/d stabilised.…
14/15-4a Well Results 14/15-4a Depth Gamma Sonic Hydrocarbons Total Gas Pay 34m (m MD) Total Oil Pay 22m Gross 27.6 Net 25.8 Gas Beverley N:G 93% Gas 2375 Av. Phi 21.5% Av. Sw 17% Av. K 44mD Sandstone Shale…
14/15-4a Pressure Data 14/15-4a Data Gas Pressure Point Oil Pressure Point GOC 2403m Source : CPR Senergy (April 2012) (Amended) 11
All Sea Lion Complex Pressure Data 14/15-4a Data Gas Pressure Point Oil Pressure Point Other Sea Lion Wells Gas Pressure Point Oil Pressure Point Aquifer Pressure Point GOC 2403m Oil gradient in the Casper South,…
Pressure Data Summary There is a common gas-oil contact encountered in two wells at 2403m TVDss The pressure data is consistent with a common oil-water contact at 2477m TVDss All reservoir zones appear to be in fluid/pressure…
Sea Lion Amplitude Maps Defining the Extent of Sand SLMC Source : www.desireplc.co.uk Technical / Prospects / 14/15-4a Discovery Well Reservoir quality is generally very good but conduits to explain the observed connectivity are…
Zebedee / George Appraisal Locations GOC OWC GOC GOC OWC OWC GOC OWC George George George George Zebedee Zebedee Zebedee Zebedee Source : www.desireplc.co.uk Technical / Prospects / 14/15-4a Discovery Well…
Unitisation Operator has not yet initiated discussions FDP cannot be approved without agreement of all parties Expect an initial agreement followed by one or more re-determinations (following results of appraisal/development…
Sea Lion Summary Desire has a significant stake in a Top SLMC Depth (m) major oil and gas discovery Further appraisal drilling required to OWC (2477m) establish distribution of resources Operators field development planning…
Exploration Potential - East Flank Play W E East Flank Play Source : Desire 21
Sea Lion Example (Lower F2) Lateral stratigraphic trap (updip sand to the north, 14/10-3) Complex pattern of higher amplitudes within the fan system. Multiple, overlapping and Clear feeder channel geometry offsetting sand…
Seismic Illustration of Elaine/Isobel Fans Top Elaine Fan Top Isobel Fan Base Isobel Fan Flattened Seismic Illustration of Elaine and Isobel Fans Elaine Fan Isobel Fan Line of Section Sand interpretation…
Elaine/Isobel Area CPR Gross Resource Best Case COS MMstb % Elaine North 26 30% Isobel prospect has the greatest (risked) Elaine South 106 30% Isobel 205 30% potential in the prospect inventory likely Lydia SE 39 18% target with…
Jayne Sand Indicators S N Top Jayne Sands Base Jayne Sands Multiple sand indicators High amplitude Thickening Channelling / bifurcations Source : www.desireplc.co.uk Technical / Prospects / East Flank Prospects…
Jayne / Shona NE Area Difficult to choose a well location which is optimised for both Jayne and Shona NE Shona NE / Casper E Catriona East In each case, an optimal location on one prospect will provide upside assessment of the…
East Flank F Sequence Prospective Resources Shona NE Oil Prospects Harriett Catriona E Casper E Unrisked Prospective Recoverable Resources East Flank Prospects Net to Desire (MMstb) Catriona W Jayne S1, S3, S4 Prospect Low Best…
Prospective Resource Summary Best Case Prospective Oil Resources Gross(1) Gross(1) Net(2) Net(2) Play Type Unrisked Risked Unrisked Risked East Flank F Prospects 1943 466 1531 363 MMstb Post-Rift E Prospects 430 87 284 56 MMstb…
Top Ranked Prospects Catriona East Shona NE Casper Harriet East Jayne Jayne Prospect Stack 405 MMstb(1) Ninky North Jayne West Ninky North Prospect Stack 260 MMstb(1) Joanne Kiki Rachel Ann/Orca West Updip South (E2) Shona…
NFB Prospect Inventory (from all published CPR) Desire Licences 3 stacked prospects with 250 MMstb(1) PL003/4/5 Summary: 12 prospects with 100 MMstb (1) 10 prospects with CoS 30% Irene Ann / Risked resources 494 MMstb(2)…
Conclusions: Why Desire Best remaining exploration potential in the North Falkland Basin Multiple stacked prospects with gross prospective resources 250 MMstb High equity interests in a proven working hydrocarbon system…
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