Agenda
Day 1
Introduction
What is an Operations and Wellsite Geologist?
Exploration and Drilling Programs – Risk assessment, regional analysis, pre-drill data acquisition.
Components of a prospect
Overview of Petroleum 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
Data Types and Management
Wireline Data – open and cased hole, testing, LWD and MWD
Mud Logging Data – geological, drilling, pressure
Core Data – whole core and sidewall core
Day 2
Drilling Operations
The drilling team – who does what?
Types of Drilling rigs
Rig Sub-systems – power, hoisting, rotary, circulating, well control
Drilling tools and components – including drilling fluid
Well control – kicks causes – basic calculations – safety equipment – kill methods
Well costs
Planning a Well
Well Design
Directional Drilling – methods and calculations
Geosteering
Day 3
Mud Logging
The Logging unit – components and functions
Services – monitoring, sampling, analysis
Cuttings analysis and description
The mud log
Safety considerations – monitoring, overpressure, downtime
Gas detection and analysis – types of gas – gas shows – equipment and methods
Coring and Core Analysis
Coring methods and equipment
Whole Core and Sidewall Core
Core handling and preservation
Basic calculations – core-log integration
Day 4
Pore Pressure and Wellbore Stability
Overburden and compaction
Pore pressure generation – estimation – normal and abnormal pressure
Detection from Seismic – pre-drill prediction
Stress and Strain – wellbore failure – lost circulation
Sampling – types and preservation
Quality control of acquired wellsite data
Wellsite Geologist Responsibilities
Wireline Logging Tools and Measurements
Review of basic logging tools for lithology, porosity, saturation
Resistivity and Invasion
Day 5
Wireline Log Interpretation
Basic concepts – quicklook workflow
Determination of lithology
Shale – calculation of shale volume - effects and corrections
Determination of porosity
Determination of water saturation – resistivity effects – formation water
Analysis techniques - crossplots
Cased Hole Logging
Production Monitoring and Reservoir Performance
Cement Bold Log Evaluation
Borehole Imaging
Dipmeter Principles
Dipmeter Interpretation
Topics
Petroleum geology overview
Drilling operations
Mud logging
Pore pressure
Wellbore stability
Wellsite geologist responsibilities
Coring and core analysis
Wireline logging - tools & measurements
Wellsite wireline log interpretation
Cased Hole Logging
Dipmeter Interpretation