Bass Oil Ltd · ASX:BAS

Bass Oil — Bass Strait Oil Company — Investor Presentation (May 2007)

27 slides from Bass Oil's investor presentation, May 22, 2007

  1. Slide 1: Bass Strait Oil Company Ltd - Oil for Australians

    BASS STRAIT SS Ny Oil for Australians Bass Strait Oil Company Ltd May 2007 BASS STRAIT C) *s O11 fiw Aaisaresbicsnes

  2. Slide 2: Directors and Management

    DIRECTORS AND MANAGEMENT — Bernard Wheelahan, Chairman — Chairman of Pacific Hydro, Deputy Chairman Transfield Services Ltd, former Shell senior executive — Andrew Adams, Managing Director - BSc, MBA, former Amoco Canada and Santos executive, member of APPEA Exploration Committee — Geoffrey Albers,

  3. Slide 3: Corporate Status

    CORPORATE STATUS » 129 million shares + 15 million options « Directors and Management approximately 25% « Top twenty approximately 30% « Total shareholders 2,800 = Market capitalisation approximately $10 million » Cash approximately $2 million BASS STRAIT es a bh C11 for Ansnaanes

  4. Slide 4: BAS Permit interests

    cu BAS Permit interests

  5. Slide 5: BAS Forward Programme

    BAS FORWARD PROGRAMME BASS Sif

  6. Slide 6: BAS Gippsland Basin 3D Seismic Investment

    BAS GIPPSLAND BASIN 3D SEISMIC INVESTMENT 1 Kilometres ae Lo. Os, Rey TERRACED OE iii AACA AANA oe Se oS OL Pipaine rome: Gas'Pipelinie: BAS Seismic Database - (Bi BAS Proprietary Surveys (22) Other Surveys Loaded (283 Proposed 3D Survey » Over 7000 sq km of 3D data on BAS interpretation system « Ap

  7. Slide 7: Vic/P42 Operations Status - BAS 20% after farmout

    VIC/P42 OPERATIONS STATUS - BAS 20% after farmout itseye- Omeo Gas 3D seismic survey $03 sq km Vic/P42 discovery (ME ot Fier » Farmin seismic acquisition complete, PSDM processing underway 2 Apache to drill and test well to complete farmin. Rig contracted for Q1 2008 « Marie survey completes 3D cove

  8. Slide 8: Vic/P41 Prospects and Leads - BAS 45% and operator

    VIC/P41 PROSPECTS AND LEADS — BAS 45% and operator Acquired 575sq.km Oscar 3D Feb 2005 Closures identified at Golden Beach and intra-Latrobe levels Kipling Prospect analogous to Kipper ~ AVO response on both 2P50 124MMb + 620bef Benchley Prospect - AVO response at Golden Beach and Volacor «P50 145MM

  9. Slide 9: Kipper / Kipling AVO Response

    KIPPER / KIPLING AVO RESPONSE Fluid factor response concordant with structure} KIPPER FIELD A Crestal fluid factor anomaly * Scaitop-1 [Possible GOC i - oS Mapped regional® <1 ..depth closure BASS Sif

  10. Slide 10: Benchley Top Golden Beach AVO Response

    BENCHLEY TOP GOLDEN BEACH AVO RESPONSE —_—_____ a a a Aan.nn. BASS STRAIT

  11. Slide 11: Vic/P41: 3D Prospects

    VIC/P41: 3D PROSPECTS Northern Fields 3D |"* , Soe 2001 am (2001) ViglPA1 Gas Field Field 7 | Relinquished es es eee area Benchley Prospect Cotton ;Prospect Basker! | Manta/ (| Gummy ee O1& Gas b.| s Oscar Prospects po : + ; : Victoria fe Nes - Fields Top Golden Beach Depth map showing Kipper, Kipli

  12. Slide 12: Vic/P41: Prospective Resource Estimates

    VIC/P41: PROSPECTIVE RESOURCE ESTIMATES 3D SEISMIC DEFINED PROSPECTS PROSPECT STOCHASTIC PROSPECTIVE RESOURCES (RECOVERABLE) P90 P50 P10 Probability of OIL GAS OiL GAS OIL Success MMb Bef MMb Bef MMb GAS Bef KIPLING (Vic/P41 Gas 22% only) Oil 15% 66 388 124 620 205 944 BENCHLEY Gas 17% (Golden Beach

  13. Slide 13: Other Leads

    OTHER LEADS Gy O81 Fela RE Gas Field le Top Latrobe closure [-""] Intra-Halibut closure (7 Golden Beach closure BASS STRAIT

  14. Slide 14: Vic/P41: Deep Water Leads - Eastern Area

    VIC/P41; DEEP WATER LEADS — EASTERN AREA Prospective one-line structuring « Further 2D seismic coverage needed » Deeper water » Charge risk BASS STRAIT C3 fw Ausemisoss

  15. Slide 15: Vic/P47: Prospects and Leads

    VIC/P47: PROSPECTS AND LEADS Judith - Emperor Subgroup Prospective Gas Accumulation = Longtom-3 flowed at 77MMscf/d from Emperor Subgroup & FID is imminent a Longtom-3 upgraded prospectivity and reduced reservoir risk Gilbert Blocks : ob) Oils Gus Ld 7 age Gay Resources Nh. Vic/P47 Bass Strait Gil C

  16. Slide 16: Judith Appraisal Opportunities

    JUDITH APPRAISAL OPPORTUNITIES « Shell Australia, 1989 « Strong gas shows & seismic amplitude anomalies coincident with well passing through Judith Fault « Tilted fault block at Judith-1 « Emperor Subgroup — Kipper Shaie & Admiral Formation Reservoirs = 109.7m net pay interpreted BASS Sif

  17. Slide 17: Judith Gas Sand - Acoustic Amplitude

    JUDITH GAS SAND 3 — ACOUTSTIC AMPLITUDE Stucturally concordant amplitudes BASS Sif

  18. Slide 18: Judith Deeper Sand - Acoustic Amplitude

    JUDITH DEEPER SAND — ACOUSTIC AMPLITUTDE tu cturali ly Acoustic amplitude oncordant — 1000 amplitudes | : BASS STRAIT 2

  19. Slide 19: Judith Gas Deliverability

    JUDITH GAS DELIVERABILITY SSW ME gas sand water sand ago 000m Longtom 2 P Vertical Exaggeration ~2.4 « Longtom-3 lateral well produced at commercial rates (up to 77 MMscf/d) « Judith deliverability studies assume Longtom-3 style lateral wells BASS Sif

  20. Slide 20: Vic/P47: Judith Gas Delivery

    VIC/P47: JUDITH GAS DELIVERY Potential delivery site Patricia Baleen process facility ViciP47 Baas Strait Oil Company Ltd Roby Off & Gee Lid Eagle Bay Resources NL Nase oF NE. Moby Gite Gad lid Potential delivery site | Fatrica-Baleen hub | 40% 35% 28% SH Oli Field Gas Fieid Judith Eriperor Gas Play

  21. Slide 21: Bass Basin Acreage - BAS 100% and operator

    BASS BASIN ACREAGE — BAS 100% and operator ae a — page 2 gptiatat 7 o Hl rvroney t Sous _giosioes T37P| ~gPounboan TiseP) | gens oo Ge ® e, Pabcan:S freee qgpenanae pers BASS STRAIT ‘oil, a8 a é- ae i Durroon ‘Sub-basin Durroon Sub-basin Location Map After Edgerly and Taylor 1950, 2004 Gazettal pack

  22. Slide 22: Bass Basin: 1/42P and 1/43P Leads

    BASS BASIN :1/42P and 1/43P LEADS Durroon Sub-basin exhibits significant NW-SE structuring » Leads as identified by previous operators and studies _ 4 7 « Potential for new play concepts in undrilled section « Initial studies / data collection underway BASS STRAIT & C3 fw Ausemisoss ass Seeate

  23. Slide 23: Durroon Sub-basin Seismic Cross-Section

    DURROON SUB-BASIN SEISMIC CROSS-SECTION wsw Durroon Sub-Basin Durroon-1 ESE Seismic Line bmr88-306 \ Possible turbidite sands with stratigraphically trapped hydrocarbons BASS STRAIT

  24. Slide 24: T42/P: Near Base Eastern View TWT - Lead A

    T42/P: NEAR BASE EASTERN VIEW TWT —-LEADA All available seismic from 1969 to the present converted to SEG Y « 2200km data scanned « 781km pre stack reprocessed, 1490km post stack reprocessed » Significant tilted fault block horsts at Intra Eastern View/Durroon Formations « Planned 2D/3D acquisition

  25. Slide 25: Otway Basin - Portland Trough Oil Fairway

    OTWAY BASIN — PORTLAND TROUGH OIL FAIRWAY PEP150 Lan any CRAs ae fie ee a ye Hea oie ol + Oil prone source rocks in parts of the Portland Trough interpreted to provide relatively recent oil generation where source rocks have not passed into the gas phase as is common in the Otway + — Relatively youn

  26. Slide 26: BAS Permit interests

    cu BAS Permit interests

  27. Slide 27: Important Notice - Disclaimer

    IMPORTANT NOTICE - DISCLAIMER This presentation has been prepared by Bass Strait Oil Company Ltd (“BAS” or the “Company”), with the purpose of providing general information about the Company. it should not be considered as an offer or invitation to subscribe for or purchase any securities in the Com

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