OG90
Course Contents
Module 1 - Petroleum Geology Overview
Key Topics
- Physical Geology
- The Petroleum System – Elements & Processes
- The Reservoir – Sedimentary Environments
- The Trap – Structure & Stratigraphy
- Mapping and Cross-Sections
- Pore Systems and Flow Units
- Reserves and Resources – Classification and Categories
Module 2 - Well Planning & Drilling Operations
Key Topics
- Duties & Responsibilities of the Wellsite Geologist
- Sampling – Types and Preservation
- Quality Control of Acquired Wellsite Data
- Data Management – Wireline Data, Mud Logging Data and Core Data Site Survey, Preparation & Drilling Program
- Well Design & Types of Drilling Rigs
- Rig Sub-systems – Power, Hoisting, Rotary, Circulating, Well Control
- Bits, Casing & Cementing, Fluids
- Drilling Problems & Well Control
- Geo-steering
Module 3 - Logging Operations
Key Topics
- Acquisition, Concepts, Tools
- Quick Look Interpretation
- Review of Basic Logging Tools for Lithology, Porosity, Saturation
- Resistivity and Invasion
- Wireline Log Interpretation
- Shale Volume Calculation – Effects and Corrections
- Determination of Porosity & Water Saturation
- Crossplots & Analysis Techniques
Module 4 - Wellsite Geology & Mud Logging
Key Topics
- Data Acquisition
- Hydrocarbon Detection Analysis
- Evaluation (Actual vs Prognosis)
- Mud Logging (ROP, Cuttings, Gas, Mud)
- Gas Detection and Analysis – Types of Gas, Gas Shows, Equipment and Methods
- Safety Considerations – Monitoring, Overpressure, Downtime
Module 5 - Well Testing, Coring, Pore Pressure & Wellbore Stability
Key Topics
- Drill Stem Test (DST), Repeat Formation Tester (RFT), Modular Formation Dynamics Tester (MDT) and Well Test
- Coring Methods and Equipment
- Whole Core and Sidewall Core Handling & Preservation
- Core-Log Integration
- Overburden and Compaction
- Pore Pressure Generation – Estimation – Normal & Abnormal Pressure
- Detection from Seismic – Pre-drill Prediction
- Stress & Strain – Wellbore Failure – Lost Circulation