Fractured Carbonate Reservoirs
Who should attend?
This course is aimed at all geologists, geophysicists and reservoir engineers who work on carbonate reservoirs anywhere in the world, including chalk. Structural geologists who require a full overview of the subject will find this course particularly useful.
Overview:
Carbonate rocks form about 20% of sedimentary rocks and about 50% of known hydrocarbon reservoirs. Fractures are important in carbonate rocks because they commonly control much or all of the permeability. The aims of this course are to review recent advances in the understanding of fracturing in carbonate rocks, to show how fractures in reservoir rocks can be analysed and characterised, and to introduce methods that can optimise hydrocarbon exploitation. Extensive practical sessions using material from the UK, USA and Middle East are combined with well-illustrated lectures.
Content:
- Fracture mechanics
- Data collection
- Analysis of fracture orientations
- Scaling relationships
- Analysis of fracture spacing
- Determination of temporal relationships
- Fault damage zones
- Styles of fault propagation
- Interaction and linkage in fault zones
- Complex fracture networks
- Characterising fracture networks
- Fault reactivation
- Fold/fracture relationships
- Mechanical stratigraphy
- Brecciated carbonate rocks
- Stylolites in carbonate rocks
- Fault sealing and fluid flow
- Comparison between oil fields and exposed analogues
- Fractured reservoir modelling
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