Otto Energy Limited · ASX:OEL

Otto Energy — PESA Deal Day 2008

20 slides from Otto Energy's conference presentation, Apr 7, 2008

  1. Slide 1: Otto Energy PESA Deal Day Presentation

    For personal use only ASX / Media Announcement 7 April 2008 Otto Energy PESA Deal Day Presentation Australian based oil & gas company Otto Energy (ASX: OEL) is pleased to release the following presentation presented at the ‘PESA Deal Day’ held in Perth Western Australia on the 6 April 2008. This Pre

  2. Slide 2: Offshore Philippines Farm-in Opportunities

    For personal use only Offshore Philippines Farm-in Opportunities Service Contract 51 - Otto Energy (80% and operator) Service Contract 55 - Otto Energy (85% and operator)

  3. Slide 3: Location Map

    Location Map For personal use only SC55 lies in the South China Sea to the south west of Palawan Island, Philippines. SC55 License Area 9,000 sq km SC55 * Republic of the Philippines, Dept of Energy, 2003

  4. Slide 4: SC55 Prospectivity

    SC55 Prospectivity Regional Deepwater Oil & Gas Trend For personal use only Malampaya Gas Complex Reed Bank Matinloc Complex Nido Complex Marantao Prospect Marantao Giant reef complex in ultra Prospect Signal-1 Penascosa-1 deep water Santiago A-1X Albian Head-1 • SC55 on trend with Philippines SC55

  5. Slide 5: SC55 Leads and Prospects

    Leads and Prospect s For personal use only SC55 Leads and Prospects SC55 MARANTAO • Otto Energy acquired 400km 2D data over Marantao prospect in 2006 and 963km regional 2D data A1 in 2007 A3 • Marantao Prospect is delineated A2 A4 well by 2D seismic recorded at B1 1.9km spacing of dip lines. A6 B2 A

  6. Slide 6: Seal

    Seal For personal use only Ma AGE FORM. THICK. LITHO. ENV. RES. SCE SEAL M 200- P-R iN-mN NEOGENE CARCAR 800 0- L MATINLOC 860 Tr-oN Environments: 10 M M BATAS 300 mN-uB Mar - Marine - PAG-ASA 15000 Tr - Transitional 20 E Lc - Lacustrine GALOC 800 FLc - Fluvio-lacustrine L • The Early to Middle Mioc

  7. Slide 7: Source Maturity and Migration

    Source Maturity and Migration For personal use only Hydrocarbon Seep Map SC55 MARANTAO • Abo Abo A-1X flowed an reported 50MMSCFD gas from Miocene and older sandstones A1 • Gas recovery in Paragua-1X A3 and interpreted from logs in A2 Kamonga-1, indicative of an A4 active hydrocarbon system. B1 A6 B

  8. Slide 8: Seismic Dip Line: Marantao Prospect

    Seismic Dip Line For personal use only Sampaguita Gas Abo Abo-1ST1 Discovery Gas Discovery NW SE Marantao • Marantao Prospect Prospect perched between two gas discoveries, above a potential source kitchen Mid Miocene U/C Mid Pliocene Top Nido Fm Top Cretaceous Cretaceous half graben – potential sour

  9. Slide 9: Malampaya Field Analogue

    Malampaya Field A nalogue For personal use only Malampaya Marantao Oil & Gas Field Prospect • Comparison of Top Nido Depth maps of Malampaya Field and Marantao Prospect • Both field and prospect share same orientation and shape 5 km Source: Shell, 2003 Approximately • Marantao potentially giant size

  10. Slide 10: Malampaya Field Analogue

    Malampaya Field A nalogue For personal use only Malampaya Oil & Gas Field Marantao Prospect Source: Shell, 2003 • Seismic dip lines through Malampaya Field and Marantao Prospect displayed at similar scales • Note similarity in the internal seismic reflector character and onlap of opaque topseal sedi

  11. Slide 11: Marantao Prospect Summary

    Marantao Prospect Summary For personal use only Trap : Reefal build-up Primary Reservo ir : Late Oligocene to Early Miocene carbonate complex Seal : Shales of Middle Miocene Pag-asa Fm Source : Paleogene lacustrine shales Area and Height : ~100 km2 closure, ~500m relief Water Depth at proposed well

  12. Slide 12: Location Map

    Location Map For personal use only • SC51 lies in the Visayan basin in the central Philippines. The basin occupies an area of 46,500 sq km, 70% of which is offshore. • SC51 is 4,400 sqkm acreage * Republic of the Philippines, Dept of Energy, 2003 11

  13. Slide 13: SC51 - Leads and Prospects

    SC51 - Leads and Prospects For personal use only SC51 • No wells offshore but numerous wells onshore Cebu and Bohol Islands 3D Survey • 515 line km 2D Seismic Area ARGAO • 150 sq km 3D acquired in 2007 • First well in Q1 2009 • 1 prospect and 6 leads identified on 3D data • 1 prospect and 4 leads id

  14. Slide 14: Petroleum Systems

    Petroleum Syst ems For personal use only • Trap formation from Mid Miocene to Pleistocene • Reservoir – Nearby wells have encountered good quality reservoirs • Seal – Numerous small accumulations suggests effective intra- formational seals • Source – Shales of the Late Oligocene to Middle Miocene, b

  15. Slide 15: SC51 - Source Rocks

    SC51 - Source Rocks Potential hydrocarbon Generative Sub- For personal use only Basins in the Visayan Basin • Late Oligocene to Mid Miocene Type I (lacustrine to algal) and Type III (woody/humic) source rocks identified from well and outcrop data • Cebu Strait sub-basin identified as primary source

  16. Slide 16: Argao Prospect Petroleum Elements

    Argao Prospect For personal use only Petroleum Elements Trap : Simple 4-way dip closure through folding Primary Reservo ir : Eight targets from Miocene sand stones to Pleistocene calcarenit es Seal : Interbedded shales and cemented calcarenit es Source : Early Miocene lacust rine shales Area and Hei

  17. Slide 17: Argao Prospect: Hydrocarbon Indications

    Argao Prospect: Hydrocarbon Indications RMS Amplitude Carcar B -100ms For personal use only Potential Oil Leg Gas Cap SW NE • Amplitudes clearly conform to structure, possible flat spot at LCC • AVO suggests anomalies indicative of gas cap with potential oil-leg • Shallow hydrocarbon indications Mid

  18. Slide 18: Prospect Summary

    Prospect Summary For personal use only ArgaoProspect Prospect Argao Prospect Argao Seafloor Carcar BB • Simple anticline with eight potential pay Carcar A Carcar GasCap Gas Cap zones Carcar B • 8 mapped pay-zones varying between 37 to 366 mmbbl STOIIP Carcar C Top Barili • Prominent DHIs on seismic

  19. Slide 19: Summary

    Summary For personal use only SC55 – Marantao Prospect • Giant reefal built-up structure with large potential resources • Ultra deep water acreage – offshore Palawan • Prefer to farmout operatorship SC51 – Argao Prospect • Simple anticline with good stacked reservoir potential • Under-explored Visay

  20. Slide 20: Contact Information

    Contact Information For personal use only For more information on this and other farm-in opportunities please contact: Stefan Kleffmann Manager Geoscience 16 Thelma St West Perth 6005 Western Australia Ph: +61 (0) 8 9226 0001 Fax: +61 (0) 8 9226 0007 Email: kleffmann@ottoen ergy.com 19

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