The goal of the course is

• • Provide insights into the planning and execution of a drilling operation, 
  • Cover well design and engineering calculations involved in planning a well.

The aim of this short course training is to provide knowledge on theoretical and practical aspects of well design and engineering, drilling operations, through lectures, group interactions and solving practical exercises. At the end of this course participants will learn:

• • The principles of well design and engineering
  • The principles of drilling, cementing, casing running
  • The principles of well control and blowout prevention
  • The functions of drilling fluids and cements, and how to design them
  • How to identify different rig types and different components of drilling rigs
  • How downhole pressures affect well design and identify means to control them
  • How to calculate cement volumes and properties
  • The needs for casing design, and how to calculate burst, collapse and tension requirements
  • The principles of logging and MWD/LWD
  • The principles of directional drilling and how to design well trajectories
  • How completions design and production requirements affect well design
  • How to design the drill string and BHA

Drilling engineers, completion engineers, and drilling supervisors involved with drilling operations and well planning, and also geologists, geophysicists, production engineers, reservoir engineers who would like to extend their knowledge into WDE.

This interactive Training will be highly interactive, with opportunities to advance your opinions and ideas and will include;

• • Lectures
  • Workshop & Work Presentation
  • Case Studies and Practical Exercise
  • Videos and General Discussions

Table of Contents

• • Introduction to well engineering
  • Well planning overview, steps and economics
  • Drilling rig systems, their purpose and use
  • Principles of the drilling process, casing and cementing
  • Properties of drilling fluids, functions, formulations
  • Formation and wellbore pressures
  • Casing running and casing design
  • Drill bits and economics
  • Knowledge of the principles of directional drilling and wellbore trajectory
  • Knowledge of the principles of well control and blowout prevention
  • Well completion and well evaluation
  • How established drilling practices interface with modern tools and technology
  • Causes and prevention practices concerning lost circulation, stuck pipe leading to fishing operations

Daily Agenda:  

Day 1

QUIZ: pre-assessment of knowledge level of WDE

1.  Introduction, Drilling Context

• • Introduction to drilling operations
  • Drilling planning overview
  • Major drilling accomplishments & challenges

2.  Drilling Rigs, Drilling Systems, Offshore / Onshore Drilling

• • Onshore - Offshore rigs, characteristics, differences
  • Drilling challenges, onshore / offshore
  • Rig components - Well classification
  • Power - Hoisting system - Circulation system / pumps - Control system / BOPs
  • Monitoring system

3.  Drilling Costs

• • Drilling economics
  • Drilling cost estimation - Types of costs
  • Acquisition For Expenditure

4. Drill String & Drill Bits

• • Drill string components, Drill collars, characteristics & selection
  • Drill pipe characteristics / Bottom Hole Assembly
  • Drilling bits, Bit selection, Bit wear
  • Bit performance optimization

Day 2

1. Subsurface Pressures

• • Sedimentary rocks / Overpressure generation
  • Pore pressure / Fracture pressure
  • Detection of abnormal pressures
  • Wellbore stability

2.  Well Control, Kicks & Kick Control

• • Principles of primary and secondary well control
  • Barriers, well integrity, BOPs
  • Kick definition / Kick sequence
  • Kick detection techniques, advantages / drawbacks
  • Well control methods, engineer's method, wait-weight method

EXERCISE: Kick control calculations

Day 3

1. Drilling Fluids

• • Drilling fluid types – Uses, selection
  • Fluid properties - additives
  • Rheology of drilling fluids
  • Rheological models, pressure losses
  • Well site tests
  • Solids control system design

EXERCISE: Determine drilling fluid density CASE STUDY: Basics of drilling fluid design

 2. Drilling Hydraulics

• • Circulation system & pressure losses
  • Optimization of bit hydraulics
  • Wellbore cleaning and cuttings transport issues

3. Casing Design & Casing Running

• • Purpose of casing design, casing / hole diameter selection
  • Burst / Collapse / Tension calculations
  • Casing depth estimation, Mud weight estimation
  • Casing running operations

Case Study: Design casing for a particular well

Day 4

1. Cementing & Cement Job Design

• • Cementing process
  • Cement types, additives
  • Cement job design
  • Cement placement
  • Cementing problems, Cement job evaluation

EXERCISE: Cement slurry density & yield calculation

2. Directional drilling

• • Purpose, history & types of deviated wells
  • Inclination & azimuth, Tools, MWD
  • Horizontal / ERD wells
  • Trajectory design based on survey data
  • Multilaterals, Coil-Tubing-Drilling

Day 5

1. Well Drilling Monitoring

• • Surface / downhole measurements / problem prevention
  • Measurements While Drilling, Logging While Drilling

2. Well Logging & Completions

• • Logging, Mud Log, Open hole logs
  • Basic components & function of completions

3. Drilling Problems & Advanced Drilling Techniques

• • Types of drilling problems, severity
  • Lost circulation - Stuck pipe - Junk in hole - Fishing
  • Managed Pressure Drilling / Casing Drilling

VIDEO: Managed Pressure Drilling

FINAL QUIZ : post-assessment of knowledge level on WDE

BTS attendance certificate will be issued to all attendees completing minimum of 80% of the total course duration.

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