SCO1: Petroleum Systems
Online Delivery during 2022
1 Day | £375+VAT per attendee
Course Aims
To provide an overview of Petroleum Systems analysis and its key role in the exploration and exploitation of hydrocarbons.
Target Audience
Wellsite Geologists, Operations Geologists, Drilling Engineers, Mudloggers, LWD Engineers, Directional Drillers, Support Staff.
Delegates Will Learn:
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The geological elements (source, reservoir, cap and overburden rocks) which comprise a Petroleum System;
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The geological processes (Generation, Expulsion, Migration, Trap Formation) which comprise a Petroleum System;
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Key aspects of fluid and formation fracture pressure, and the critical part they play in petroleum systems;
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How to investigate, describe and document Petroleum Systems for exploration and future development.




Course Outline
Introduction
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What Is a Petroleum System?
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Elements and Processes
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Petroleum Systems Explained
Elements of a Petroleum System
Source Rocks
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Requirements of a Source Rock
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Organic Material and Rock Type
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Kerogens
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Kerogen Quality
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Kerogen and Hydrogen Abundance
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Kerogen Types
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Type I Kerogens
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Type II Kerogens
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Type II Kerogens
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Type IV Kerogens
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Evaluating Source Rocks
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Evaluating Organic Material
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Total Organic Carbon
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Thermal Maturity
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Ways of measuring Thermal Maturity
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Vitrinite Reflectance
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Immature Source Rocks
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The Oil Window
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The Gas Window
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Overmaturity
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Classification of Source Rocks
Reservoir Rocks
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Requirements of a Reservoir Rock
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Matrix Porosity and Permeability
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Measuring Matrix Porosity and Permeability
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Matrix Porosity and Depth
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Fracture Porosity and Permeability
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Naturally Fractured Reservoirs
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Identifying Natural Fractures
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Fractures and Porosity
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Fractures and Permeability
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Types of Reservoir Rock
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Clastic Sedimentary Environments
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Carbonate Sedimentary Environments
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Example Clastic Reservoir: Brent Group,
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North Sea
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Example Carbonate Reservoir: Arab-D,
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Saudi Arabia
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Unconventional Reservoirs
Elements (Continued)
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Cap Rocks and Overburden Rocks
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Requirements of a Cap Rock
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Overburden Rocks
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Pore Pressure Explained
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Hydrostatic Pore Pressure
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Hydrostatic Pore Pressure Illustrated
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Overpressure
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Overpressure Illustrated
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Pore Pressure and Permeability
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Overpressure in a Rock Column
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Hydrocarbon Buoyancy
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Fracture Pressure and Fracture Strength
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Cap Rocks and Fracture Pressure
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Hydrostatic Systems
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HPHT Systems
Processes in a Petroleum System
Migration
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Primary Migration
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Primary Migration Explained
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Microfractures
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Tectonic Fractures
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Secondary Migration
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Secondary Migration Explained
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Migration Pathways
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Migration Distance
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Tertiary Migration
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Tertiary Migration Explained
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Oil Seeps
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Migration Efficiency
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Migration Efficiency Explained
Hydrocarbon Traps
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Hydrocarbon Traps Explained
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Classification of Hydrocarbon Traps
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Structural traps
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Anticline Traps
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Example Anticline Trap: Forties Field
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Fault Traps
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Example Fault Trap: Mamora Field
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Salt Diapir Traps
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Example Diapir Trap: Mungo Field
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Stratigraphic Traps
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Erosional Traps
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Depositional Traps
Processes (Continued)
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Example Stratigraphic Trap: Shetland
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Hydrodynamic Traps
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Hydrodynamic Traps Explained
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Example Hydrodynamic Trap: Halfdan Field
Describing Petroleum Systems
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Petroleum System Investigation
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Naming a Petroleum System
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Burial History and Critical Moment
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Oil-Oil and -Source Rock Correlation
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Geographic Extent
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Stratigraphic and Temporal Extent
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Events Chart
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Size of the Petroleum System
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Generation: Accumulation Efficiency