โข Well planning overview
โข History and source of petroleum
โข Multi-level interdependency of the Petroleum Industry
โข Drilling rig systems, their purpose and use
โข Principles of the drilling process, fishing, casing and cementing
โข Knowledge and ability in the principles of directional drilling
โข Knowledge and ability in the principles of well control and blowout prevention
โข Differences between onshore and offshore drilling rigs and drilling practices
โข How established drilling practices interface with modern tools and technology
โข The causes and prevention practices concerning lost circulation, stuck pipe
Day 1
1. Introduction, Terminology, Drilling Context
โข Introductions
โข A bit of oil history – Terminology of Petroleum & of Drilling
โข Drilling planning overview
โข Oil prices & drilling
โข Major drilling accomplishments & challenges
QUIZ: pre – assessment of knowledge level on BDT
2. Essentials of Geology
โข Hydrocarbon formation
โข Key elements of economic reservoir, rocks, traps, seals
โข Geological and geophysical information
VIDEO-1: Origins of Petroleum
3. Drilling Rigs & Drilling Systems
โข Onshore – Offshore rigs characteristics
โข Drilling challenges
โข Rig components – Well classification
โข Power – Hoisting system
โข Circulation system / pumps
โข Control system / BOPs
โข Monitoring system
VIDEO-2: Drilling Rigs
4. Drilling Costs
โข Drilling cost estimation – Types of costs
โข Acquisition For Expenditure (AFE)
QUIZ – Test your knowledge on today’s lectures
Day 2
1. Drilling Fluids & Drilling hydraulics
โข Drilling fluid types – Uses
โข Fluid properties – ย additives
โข Rheology of drilling fluids
โข Static / dynamic conditions / circulation
โข Rheological models, pressure losses
โข Bit hydraulics
โข Cuttings transport issues
EXERCISE: Determine drilling fluid density
CASE STUDY: Basics of drilling fluid design
2. Abnormal Pressures, Kicks & Kick Control
โข Sedimentary rocks – Overpressure generation
โข Pore pressure / Fracture pressure estimation
โข Kick definition / Kick sequence
โข Control methods, BOPs (video)
โข Kick detection
VIDEO-3: Kicks & kick control
EXERCISE: Kick control example
3. Casing Design
โข Purpose of casing design
โข Casing / hole diameter selection
โข Burst / Collapse pressure calculations
โข Casing depth estimation
โข Mud weight estimation
4. Cementing & Cement Job Design
โข Cementing process
โข Cements & types of cements, additives
โข Cement placement / Cementing problems
โข Cement job evaluation
EXERCISE: Cement slurry density & yield calculation
Day 3
1. The drill string
โข Drill string components
โข Drilling bits
โข Bit wear / Bit selection
โข Drill collars, characteristics & selection
โข Drill pipe characteristics
โข Bottom Hole Assembly
2. Directional & Horizontal Drilling
โข Purpose, history & types of deviated wells
โข Inclination & azimuth
โข MWD
โข Horizontal / ERD wells
โข Multilaterals
โข Coil-Tubing-Drilling
VIDEO-4: Directional Drilling
3. Well Logging & Completions
โข Logging
โข Mud Log
โข Open hole logs
โข RFT, Drill stem testing
โข Basic components & function of completions
โข Stimulation
4. Drilling Problems & Advanced Techniques
โข Types of drilling problems, severity
โข Lost circulation – Stuck pipe – Junk in hole
โข Surface / downhole measurements / problem prevention
โข Managed Pressure Drilling / Casing Drilling / Dual Gradient Drilling
VIDEO-5: Managed Pressure Drilling
CASE STUDY: Lost Circulation Problem, identification & solution
FINAL QUIZ : post-assessment of knowledge level on BDT
The aim of this short course training is to provide a basic knowledge of the theoretical and practical aspects of drilling operations.
ย At the end of this course participants will be able to:
โข Understand hydrocarbon formation
โข Describe key characteristics of hydrocarbon reservoir (rock, source, tap, seal)
โข Have idea about upstream and downstream petroleum industry
โข Identify different rig types
โข Learn different components of drilling rig and understand their basic functions
โข Have basic understanding of downhole wellbore pressures and the means to control them
โข Learn the principles of drilling, cementing, casing processes
โข Learn the principles of well control and blowout prevention
โข Understand basic functions of drilling fluids and cement
โข List differences between onshore and offshore drilling processes
โข Describe the basic principles of logging and MWD/LWD
โข Describe the methods of drilling deviated and horizontal wells
โข Have an understanding of the components and functions of well completion (valves, artificial lift, sand control)