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Morocco Offshore Potential and Promises. John Crowle. Contents. Morocco – the background to deepwater exploration The ingredients for exploration success Commercial Technology Geology What happens next?. Morocco - the background to deepwater exploration.
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Shell Exploration & Production Morocco Offshore Potential and Promises John Crowle
Contents • Morocco – the background to deepwater exploration • The ingredients for exploration success • Commercial • Technology • Geology • What happens next?
Morocco - the background to deepwater exploration • History of offshore exploration without commercial development • Unexplored deepwater acreage • Growing industry success in deepwater developments elsewhere • Improved risk reduction tools based on 3D seismic
Morocco SHELL INTEREST BLOCKS (OPERATOR) SHELL INTEREST BLOCKS ( NON OPERATOR) NON SHELL BLOCKS RECONNAISANCE LICENCES Shell EP in Morocco Rimella and Cap Draa RABAT MOROCCO Rimella Cap Draa AGADIR SPAIN
Ingredients for success - Commercial • Straightforward tax/royalty regime • 10-year ‘tax holiday’ • Clearly defined work programme • Informed, professional and challenging local partnership
Ingredients for success - Technology • Exploration risk reduction • An understanding of the environmental sensitivities • Environmentally sensitive, safe drilling operations • Deepwater development skills
101 108 81 44 40 Amplitude measurements Technology – seismic attributes
Cognac 1978 Bullwinkle 1988 Conoco (Julliet) 1989 Petrobas (Marlim) 1989 Auger 1993 Mars 1996 Ram-Powell 1997 Ursa 1999 Petrobras (Marlim Sul) 1997 Mensa 1997 Petrobras (Roncador) 1999 Na Kika 2003 600 m 800 m 1000 m 1200 m 1400 m 1600 m 1800 m 2000 m 2200 m 2400 m Technology - deepwater milestones
Ingredients for success - Geology • A thick sediment pile – up to 10 kilometres • Potential for • Jurassic and Cretaceous source rocks • Cretaceous and Tertiary reservoir rocks • Structural development to create traps – salt movement
Unconfined fans (North Sea, Brazil) Confined fans (Gulf of Mexico) deep marine sands deep marine shales Channelised fans (West Africa, West of Shetlands) salt Geology – reservoir rocks shallow marine deposits
Salt Ridges & Mini-Basins Inner Diapir Trend Inverted Structures 2 sec 4 sec 6 sec West 5 km Geology – trapsAgadir - Tarfaya Basin Play Domains East
3D SEISMIC 3D SEISMIC 0 25 50 75 100 km Geology - Agadir–Tarfaya Basin play domains Toe-Thrust Inversion structures Agadir Salt ridges Diapirs Unconfined By-Pass Slope Platform / shelf
SE NW Inverted Structures Play Salt Diapir Play SE NW Salt Base Tertiary Base Tertiary Top Jurassic Top Jurassic Salt 2 km 2 km SE NW SE Salt Ridge Play Toe Thrust Play NW Base Tertiary Middle Miocene Top Salt Sub Sub Base Miocene Salt Salt - - Salt Salt Truncation ? Truncation ? Salt Salt - - Sub Sub Truncation ? Truncation ? Base Tertiary Base Tertiary ? ? Top Albian Salt Top Jurassic Top Jurassic Top Jurassic Top Basement 2 km 2 km Geology - play segments
Evaluate remaining explorationpotential and decide whetheror not another hub class prospectwill be drilled. DRY Evaluate remaining explorationpotential and select most promising prospect that is either a hub on it’s own or can help in justifying a cluster development Drill potential hub class prospect TOO SMALLFOR HUB Appraise and DevelopRe-evaluate remaining exploration strategy HUB SIZE Exploration and Development Strategy
Morocco – offshore potential and promises • The political will is there • The commercial terms are there • The geology has the right elements • The seismic has been shot and interpreted • Time to drill