Tanzaniass First Tanzania Deepwater Drilling Campaign Andyy Oldham,, Richard Higgins gg Ophir p Energy gy & Richard Blight BG Group
Blocks 1, 3 and 4 Ophir (Operator) 40% BG 60% Seychelles Comoros Barquentine Collier Windjammer Ironclad Block 4 Block 3 Chaza--1 Chaza Mnazi Bay Pweza--1 Pweza Bl k 1 Block Chewa--1 Chewa Mafia Deep ST…
SADR x4 Operator Somaliland x1 African Exploration Portfolio Operator 17 assets, across 9 jurisdictions plays in a mix of proven and emerging basins Experienced management team Strong relationships T k record Track d off…
Market leader: UK top 10 company Listed on London Stock Exchange Market capitalization of over 70 billion Gas and oil: Production approximately 70% gas; 30% oil Active across the entire natural gas value chain Exploration &…
Introduce JVPs Technical work to date Pre-drill preparations Seychelles Drilling operations Comoros Drilling results to date Forward plans
Blocks 1, 3, & 4 were selected because: Outboard of sediment input points Water depth Proximal to Songo Songo and Mnazi Bay gas fields Encouragement from 3,555km Western Geco Spec 2D data Pre-Award Seismic Coverage
2005/6 4300km 2D 2008 3800km 2D Image courtesy of Seabird MV Geomariner Image courtesy of Bin Hai 517 China Oilfield Services Limited Infill 2D Seismic Acquisition
4H ,1V Multiple play systems Both structural and stratigraphic trapping geometries Numerous early structures Tanzania Blocks 1, 3 and 4: Geo-schematic Section
Mafia Trend Sea Gap Trend Davie Walu Fracture Zone BLOCK 4 Ruvuma Basin BLOCK 3 Toe of thrust Zone BLOCK 1 Structural Trends
Full Stack Section Flattened on 25% WB Fars minus nears Block 1 example 2D prospect
Nears Fars Example AVO Response 2D data
M/V Geco Diamond Image courtesy of WesternGeco In late 2008, the Geco Diamond acquired: 2990sq km Mafia 3D 605sq km Kusini 3D 2008 3D Seismic Acquisition
5km Block 1 Blocks 3/4 Prospects Confirmed on 3D
Introduce JVPs Technical work to date Pre-drill preparations Seychelles Drilling operations Comoros Drilling results to date Forward plans
Copyright - FOP Image courtesy of Fugro-GEOS Pre-drill Metocean Studies
Kusini 3D PSDM Tomographic velocity control for PPP Seismic Stratigraphy study y for lithology gy prediction Later updated to tie into the Corelab study Pre-drill Subsurface
Pre-drill Port preparations
Introduce JVPs Technical work to date Pre-drill preparations Seychelles Drilling operations Comoros Drilling results to date Forward plans
Operations Mtwara Port
Operations Mtwara support
Odfjell Deepsea Stavanger Mobilised from Korean Shipyard 3rd Party services and coms fitted in Singapore & Seychelles Bourbon Hestia & Hector Mobilised from South Africa Drilling Operations Mobilisation
Secu ty Provided Security o ded by the Tanzanian Navy Naval vessels and guards on 3rd party vessels Assisted by a security company advisors 3rd party vessels and RHIBs Protection to the drill rig Protection for supply…
Introduce JVPs Technical work to date Pre-drill preparations Seychelles Drilling operations Comoros Drilling results to date Forward plans
Pweza-1 Water depth 1400m IIntersected t t d a gas column of nearly 60m (reported by TPDC) Chewa-1 Water depth 1315m Significant gas discovery (reported 1 December 2010) Chaza-1 Spudded in Block 1 Operations continue…
Introduce JVPs Technical work to date Pre-drill preparations Seychelles Drilling operations Comoros Drilling results to date Forward plans
Complete and evaluate the current 3 well campaign Currently acquiring at least 4000 square kilometres of follow-up 3D data with the Geo Caspian Planning g has already y commenced for the next drilling campaign The 2010/11…
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