ONLINE LIVE STREAMING COURSE
5 Sessions in real time (approx 4 hrs/session): May 8th to 12th , 2023
WHO SHOULD ATTEND: Geologists, geophysicists and reservoir engineers who want to learn how to analyse traps and seals for oil and gas exploration.
OBJECTIVES:
This workshop presents the concepts and theories of trap and seal analysis from a pragmatic explorer’s point of view. Both top- and fault-seals are discussed. The effect of seal quality on gas-oil mix in trapped HC accumulations will be illustrated with examples from different petroleum provinces, and participants will be provided access to a computer tool (Ariane) to model how oil-gas mix is impacted by seal capacity for traps/prospects in their own prospects. All concepts are illustrated with examples and exercises from different basin types and settings.
BENEFITS:
- You will learn how to identify prospects with their spill and potential leak-points.
- You will learn the main theoretical aspects of subsurface sealing for permeability and hydraulic seals.
- You will be able to calculate Shale Gouge ratio and Clay Smear Potential.
- You will be able to make fault juxtaposition diagrams (Allen diagrams).
- You will be able to carry out geological mapping for such purposes.
- You will learn how to treat trap and seal risk and uncertainty in a realistic manner in probabilistic risk and volume assessments
CONTENT:
- Identification of traps and their spill- and leak-points
- Unusual traps such as stratigraphic traps, hydrodynamic traps, basement traps, HCs trapped by tar
- Sealing lithologies and seal theory
- Top and fault seals, including SGR and CSP assessment
- Traps with multiple reservoir-seal pairs
- Characteristics of faults to assist fault mapping
- Differential retention for oil and gas
- Impact of seal quality on gas-oil mix, including access to a computer tool to model this
- How to deal with traps and seals in probabilistic Risk and Volume assessment of undrilled prospects
