• Carbonate Reservoir Modelling and Characterisation

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Course Overview

This 2 day masterclass addresses the approach to describing, predicting and modelling the distribution of pore types in carbonate reservoirs. It also discusses the definition of reservoir rock types, the types and controls of reservoir layering and the development of flow units. It addresses specific problems to SE Asia such as the origin of subsurface CO2 and the contribution of carbonate systems to the future petroleum potential of SE Asia.

 

Course Outline

 

DAY 4

a) Carbonate diagenesis
i) Processes
ii) Products and controls on the preservation
iii) Creation and destruction carbonate porosity
b) Techniques of studying carbonate diagenesis
c) Applications of cathodoluminescence, fluid inclusion studies C &O isotopes and Sr isotopes in reservoir studies
d) Overview of diagenesis and Tertiary carbonate reservoirs in SE Asia
e) Origin and prediction of sub-surface carbon dioxide in SE Asia
f) The origin and types of micro, meso and macropore systems in carbonate reservoirs.
g) Porosity-permeability relationships
h) Practical exercise
i) Identifying pore types
ii) Estimating porosity and permeability from thin sections

DAY 5

a) Petrophysical and poroperm classifications of carbonate pore systems
b) Dual porosity systems in carbonates
c) Recognition of dual porosity reservoirs
d) Karsted reservoirs – recognition and description
e) Exercise in karst breccias correlation
f) Fractured carbonate reservoirs
g) Aims and principles of reservoir modelling
h) Reservoir rock types
i) Controls on reservoir layering
j) Use of analogues in the modelling of carbonate reservoirs
k) Case histories of diagenesis from SE Asia: North Sumatra carbonate reservoirs, Malampaya and Nido
l) Future hydrocarbon potential in SE Asia
m) Course summary and conclusions

 

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