Exploration of Sedimentary Basins using Altimeter Data By Khalid A. Soofi.

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Presentation transcript:

Exploration of Sedimentary Basins using Altimeter Data By Khalid A. Soofi

Exploration Strategy Good Old Times –Look for seeps & drill –Look for bumps & drill Minimum Requirements –Find unexplored basin –Is sedimentary basin thick enough? –Does it have a source? –Generation & Migration possible? –Is there a Trap? –Is there a seal? –Economics?

Some specific examples of using Altimeter Data Quick ScreeningQuick Screening Salt, Mini-BasinsSalt, Mini-Basins Submarine CanyonsSubmarine Canyons Fracture ZonesFracture Zones Forward ModelingForward Modeling Wish List for Future MissionsWish List for Future Missions

Black Sea – Quick Screening

Offshore – free air gravity Onshore - topography Malay Basin Tonle Sap - Cambodia

Salt Features Mini Basins

Salt Features, Mini Basins

Gulf of Mexico

Seep Association type

SAR – Slick Detection Mechanism

Hydrocarbon Slicks from Space

Gulf of Mexico - Seeps

Satellite Gravity Finds Sediment Fairways Comparison between satellite gravity, marine, and land gravity

Barbados – Altimeter data

Barbados offshore Multi-beam Image

Multi-beam data with acoustic backscatter

Fracture Zones

Off shore Niger Delta: Structural Province Map Stable shelf Counter- regional growth faults Regional growth faults Translational basin Mobile-shale cored anticlines and diapirs Shale-cored detachment fold Basin-verging outer toe thrusts Hinterland- verging outer toe thrusts Buried Cretaceous seamounts LEGEND Oceanic fracture zone Outer thrust front Inner thrust front Abyssal Plain of Gulf of Guinea Limit of extension Counter regional growth faults Fig 4

Submarine Canyons

Submarine Canyons – West Africa

Submarine Canyons – Indus River

Submarine Canyon – Ganges River

Submarine Canyons – offshore Nigeria

Submarine Canyons Regional Seismic merged with Altimeter Data

Submarine channels offshore Nigeria

Forward Modeling

Caspian Sea ( Model Locations)

Free Air Gravity Modeling (Strike Slip Model)

Free Air Gravity Modeling (Over-thrust Model)

Other Applications… Pipeline Routing conceptual design Seismic survey design Potential Hazard Areas

Ship Tracks

Wish List... Resolve 10 km features near-shore (less then 1000 meters water depth) both on Free Air Gravity ( & Bathymetry, if possible). Get rid of near-shore noise by collecting more reliable altimeter data and merging with available ship data Get rid of ship track noise...

Limitations (for HC Exploration)

Ship Tracks

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