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Petrotech 2010 New Delhi. Comparative Assessment of Deepwater Plays off India, Southeast Asia and Northwest Australia. Present Morphology Fabric Offshore India, Southeast Asia, & Northwest Australia. Deepwater Plays Offshore India India’s West Coast India’s East Coast Andaman Sea India.
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Petrotech 2010 New Delhi Comparative Assessment of Deepwater Plays off India, Southeast Asia and Northwest Australia
Present Morphology Fabric Offshore India, Southeast Asia, & Northwest Australia
Deepwater Plays Offshore India India’s West Coast India’s East Coast Andaman Sea India
Sub-Basalt Plays Deepwater Plays India’s West Coast
Flood basalt provinces such as the Deccan Traps: Major episodes of rapid crustal growth through regional dykes The >1 km thick exposed section at Mahabaleshwar
Madagascar and the ReunionHot-Spot, on two sides of ocean ridge triple-junction
Sub-Basalt Challenges (Kerala-Konkan Basin, Western Offshore India) Tertiary Basin Top Basalt Cretaceous Basin
Migrated CMP - Velocity Analysis Sub-Basalt Primary Getting stronger with offset
Sub-Basalt Petroleum Systems’ Uncovering STRATIGRAPHY Upper Cretaceous Post-Rift Reservoirs Lower Cretaceous Syn-Rift Lacustrine environment Source rock potential – Coals/Shales Jurassic Break-up Unconformity STRUCTURE Structural Mapping of Key Seismic Horizons Isochrons and Isopachs – Basin Reconstruction PROSPECT EVALUATION – PETROLEUM SYSTEM Thermal Regimes - Probability of Reservoir, Seal, Source Rock, Migration, Timing of Migration/Entrapment Accumulation Size, Risk Assessment, Economics
Andaman Sea The link of India and Southeast Asia
Plays Offshore Sunda Archipelago Western Sunda: Offshore Sumatra Natuna/South China Sea Sea Phillipines – Palawan Basin & Sulu Seas Offshore Kalimantan/Sulawesi Offshore North Madura/North Bali Eastern Sunda: Timor Sea & Arafura Sea Northwest Australia South Irian Jaya
Success Case Histories Structures North Sumatra/Andaman Sea Onshore Central Sumatra Offshore East Java Offshore North Bali
Similar Success Case in the Archipelago Back-Arc Arun Gas Field Arun Gas Field - North Sumatra, is a pinnacle reef feature originally with 10TCF of gas reserves, now under depletion, has been a major LNG export for more than four decades, main reservoir is an early Miocene rimmed platform carbonate. Slide 22
Inverted Structures North Bali Major Provider of Domestic Gas in Indonesia
Deepwater Eastern Archipelago • East Archipelago Deepwater Exploration • Timor Sea • Arafura Sea • Northwest Australia Offshore Exploration Deepwater • Offshore South Irian Jaya