Well Completion & Workover Virtual Training

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Monday November 29, 2021 | Magdi El Naggar | VIRTUAL TRAINING


Upcoming Course

Code Start Date End Date Location Cost Instructor Register
PST0425-202101  29 Nov 2021  03 Dec 2021  VIRTUAL TRAINING  USD 2995  Magdi El Naggar   Register

Past Course

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Monday November 29, 2021 | Magdi El Naggar | VIRTUAL TRAINING

The course is designed to give an overview of well completions as well as workover operations being carried out to maintain well integrity and availability for production/ injection.It introduces completion techniques, equipment, perforating methodologies and techniques, wellhead and downhole equipment, hydraulic fracturing, acidizing, squeeze cementing and scale removal techniques.It helps attendants to understand completion technology and be familiar with the tools and the know-how of various oil well completions.Moreover, it focuses on:

  • Practical application of various techniques and methodologies in well completion from completion type selection, perforation strategies, fluid selection as well as surface installations.
  • Specific completion design project and case studies for success/failure case histories for different cases of well completion installations in different operating environment.
Monday November 29, 2021 | Magdi El Naggar | VIRTUAL TRAINING

Pre- Course Test
Module 1: Reservoir Characteristics, Exploration and Recovery Methods

  • Oil formation and Origin
  • Oil Trap and Reservoir
  • Oil and gas reservoirs
  • Reservoir rock and fluid properties
  • Geological Surveys
  • Permeability
  • Relative Permeability
  • Saturation
  • Natural Fracturing
  • Hydraulic Fracturing
  • Pressures
  • Reservoir Pressure
  • Basic Pressure calculations
  • Pressure Differential
  • Well Temperature
  • Seismic surveys
  • Exploratory Drilling
  • Reservoir lithology and impact on recovery mechanisms
  • Artificial lift systems
  • Reservoir recovery methods (Natural dep, AL) and treatm of produced fluids
  • Processing of the produced reservoir fluids
  • Group Discussions and Exercises

Module 2:Well Construction (Wellhead & Downhole Equipment)

  • Well types
  • Tubing string components
  • Well casing system
  • Well cementing
  • Well completion types and functions
  • X-mas tree types, configurations and functions
  • Wellhead
  • Drilling fluids
  • Completion fluids
  • Q & A session and Group Discussion

Module 3:Well Completion

  • Well completion concept and functions
  • Well completion types & classifications
  • X-mas tree types, configurations and functions
  • Wellhead types & configurations
  • Casings
  • Liners
  • Production tubing string functions and selection criteria
  • Packer types, functions and classifications
  • Sub-Surface control system (SC-SSSVs)
  • Wellhead control system
  • Artificial lift completions (ESP, GL, etc.)
  • Smart Completions
  • Impact of well completion selection on well future operations
  • Q & A session and Group Discussion

Module 4:Well Completion Operations

  • Perforation Operations
    • Types
    • Guns
    • Bullets
    • Phasing
    • Through Casing Perforation System (TCP) technology
  • Stimulation operations
    • Basics and concept
    • Candidates selection
    • Reservoir lithology & impact on stimulation methodology
  • Hydraulic Fracturing
  • Corrosion and erosion Inflow and tubing performance
  • Sand Control
  • Q & A session and Group Discussion

Module 5:Well Completion Selection

  • Tubing design and selection criteria
  • Packers selection, seating and testing
  • Materials selection
  • Completion equipment technical testing
  • Deviated/multiple zone completion consideration
  • Sub-sea/horizontal/multilateral and HPHT completion considerations
  • Perforating design
  • Q & A session and Group Discussion

Module 6:Multilateral Wells Completion

  • Categories and codes
  • Advantages
  • Structure
  • Junction
  • Application
  • Advanced multilateral well applications
  • Drilling multilateral underbalanced (Process & Drawbacks)
  • Q & A session and Group Discussion

Module 7:Smart Well Completion

  • Definition and concept
  • Equipment & system requirements
  • Screening criteria
  • Design considerations
  • Layered reservoirs and horizontal well
  • Sensors
  • Operational considerations
  • Field Applications
  • Q & A session and Group Discussion

Module 8: Drilling Fluids

  • Drilling fluids (types, classification, calculations)
  • Drilling fluids circulation system and how it works?
  • Main factors Influencing drilling fluids performance
  • Drilling fluids programs
  • Loss circulation problem, controls and solutions
  • Drilling fluids program preparation
  • Q & A session and Group Discussion

Module 9:Well Cementing

  • Functions of cement
  • Classes and types of cement
  • Basic components of cement
  • Cementing system and how it works?
  • The manufacture of cement
  • Cement slurry
  • Hydration of cement
  • Soleplate resistance
  • Strength retrogression of cement and the use of silica flour
  • Properties of cement slurry
  • Casing accessories
  • Cement contamination
  • Mechanics of cementing
  • Liner cementing
  • Practical calculations
  • Squeeze cementing
  • Plugging back operations
  • Cement program preparation
  • Q & A session and Group Discussion

Module 10:Downhole Fundamentals


  • Pressure basics and basis
  • Loss Circulation and material
  • Well killing & securing
    • Killing methods
    • Specifications of killing liquid
    • Methods of isolation of water producing areas
  • Formation damage impact on well killing and prevention
  • Case Study
  • Q & A session and Group Discussion

Module 11 : Well Problems Requiring Workover

  • Well productivity/injectivity decline
  • Reservoir permeability decline
  • Formation damage
  • Wellbore restrictions
  • High viscosity oil
  • Improper equipment sizing
  • Inadequate artificial lift
  • Excessive water or gas production shut-off
  • Mechanical failures repair
  • Annuli pressures repair
  • Primary cementing failures repair
  • Recompleting or stimulating a well to increase production
  • Evaluate a well or reservoir
  • Convert existing well to another type (depleted producer to injection/disposal well)
  • Q & A session and Group Discussion

Module 12 : Rig Requirements and Components

  • Rigs components
  • Drill string components, functions and selection criteria
  • BHA components, functions and selection criteria
  • BOP types, components & functions testing procedures
  • Drilling bits types, functions and selection criteria
  • Drilling fluids types, functions and selection criteria
  • Drilling fluids circulation system components and functions
  • Q & A session and Group Discussion

Module 13 :Workover Operations Planning, Execution and Evaluation

  • What is workover? why?
  • Workover operations and concept
  • Workover types and practices
  • Workover tips
  • Workover process, planning including:
    • Well  assessment and determining the problem
    • Alternative operations and techniques
    • Evaluating and selecting the technique
    • Trajectory study:
      • Vertical wells
      • Horizontal wells
      • Extended reach wells
      • Deviated holes
      • Directional, Horizontal and multilateral Drilling
      • Extended reach operations and problems
    • Wellbore stability and well completion
    • Drilling fluids requirements and solids control
    • Casing Design
    • Cementing Operations
    • Drill string and BHA Design
    • Bit Selection and required applications
  • Work.over equipment selection requirements
  • Drill Strings
  • Directional Drilling Fundamentals (re-completion)
    • Applications and limitations
    • Terminology, well objectives, and target definition
  • Directional drilling operation tools (re-completion)
  • Deviation control, directional drilling and horizontal drilling
  • Wellbore Deflection
    • Downhole drilling tools and deflection  methods
    • Drilling motors and bit overview
    • BHA design and considerations
    • Rotary steerable systems
  • Logging high angle wells
  • Hole-cleaning
  • Multi-laterals
  • Well Profile Designing
    • Directional well path design
    • Horizontal well planning and calculations
    • Drill string design
    • Torque, drag, shocks and vibrations
  • Types of survey instruments
  • Tools used to deflect a wellbore
  • Survey calculations and accuracy
  • Over/Under-Balance Operations
  • Hole cleaning, sloughing shale, lost circulation, stuck pipe and fishing operations
  • Lifting capacity of drilling fluids, pressure losses in the circulating system & ECD
  • Casing and drill string design, selection  of casing seats, BOP equipment
  • Cement, cement additives and displacement mechanics
  • E-logging, MWD & LWD
  • Drilled solids management
  • Mud tank arrangements
  • Drilling fluid properties
  • Planning directional and horizontal wells
  • Horizontal drilling methods and applications
  • Multi-laterals
  • Q & A session and Group Discussion

Module 14 : Workover operations Through Well Intervention Operations

  • Conventional
    • Coiled tubing unit
      • Components
      • Applications & operations
      • Services
    • Well kick-off operations
    • Stimulation Scale removal Cement squeeze  Fishing operations
    • Well killing & securing for well routine maintenance operations
    • Wireline (Slick, E-line)
    • Snubbing operations
    • Well testing (PTS, MPFM)
  • Non-Conventional Well control Emergency cases
  • mpact of well completion on well intervention operations
  • DST testing and productivity evaluation procedures and requirements
  • Well production testing evaluation procedures and require­ments
  • Modern treatment methods oflow production wells.
  • Q & A session and Group Discussion

Module 15 : Well Control Operations

  • Well control theory & principles
  • Well control equipment
  • Barrier types functions
  • Barrier requirements for well Intervention operations
  • Examples of barrier  envelopes
  • Factors governing cell control success
  • Kick management
  • Well control procedures, complications and solutions
  • Specific environment impact on well control operations
  • Oil spill and types
  • Oil spill Classes
  • Calculating the amount of spilled oil
  • Q & A session and Group Discussion

Module 16 : Workover Operational Problems & Troubleshooting

  • Well kicks: how & why?
  • Well kick control
  • Blowouts
  • Types ofblowouts
  • Causes of blowouts
  • Loss circulation
  • Stuck drill pipe
  • Q & A session and Group Discussion

Module 17 : Formation Damage & Treatment

  • Formation damage, causes, types and classifications
  • Sources of formation damage
  • Skin and impact on formation performance
  • Formation damage impact on horizontal wells
  • Formation damage from drilling mud/processes
  • Formation damage from perforations
  • Formation damage from completion and workover fluid
  • Formation damage from scales
  • Formation damage from organic deposits
  • Formation damage froniwettability changes
  • Formation damage from acid stimulation
  • Addizing
  • Hydraulic Fracturing
  • Sand Control
  • Q & A session and Group Discussion







Monday November 29, 2021 | Magdi El Naggar | VIRTUAL TRAINING

The course is designed to focus on practical applications regarding:

  • Developing high level completion strategy for wells in variety of situations.
  • Selecting tubing, packers, and completion flow control equipment
  • Appraising/designing suitable flow barrier strategy
  • Introducing recommendations on installation and retrieval practices for tubing, packers, etc.
  • Identifying key design for horizontal, multilateral, HPHT wells, etc.
  • Selecting appropriate intervention strategy/equipment
  • Identifying key features/applicability of the main sand control, formation fracing and well  stimulation options.
  • Assessing/specifying concerns/remedial  measures for formation damage/ skin removal.
  • Developing and outlining overall strategy for a completion program.
  • The course focuses on practical applications of various techniques and methodologies in well completion.
  • Upon Completing the Course, you will be Able to:
    • Plan Effective Operation
      • By learning practical methods of design
      • Plan and install safe and efficient well completion and workover
      • Improve well productivity by integrating the importance of completion process to future production in order to enhance performance and failures.
  • Improve effectiveness and efficiency of work performance  by learning ways to conduct  operations smoothly in a correct technique.
  • Improve effectiveness of operations


Monday November 29, 2021 | Magdi El Naggar | VIRTUAL TRAINING
  • New Drilling Engineers
  • Drilling Engineers with Field Experience
  • Drilling Supervisors
  • Production Engineers
  • Petroleum Engineers
  • Reservoir Engineers
  • Petrophysicist
  • Both field and Administration Staff of Drilling related service companies
Monday November 29, 2021 | Magdi El Naggar | VIRTUAL TRAINING

Magdi El Naggar

Managing Director at Oil Fields Global Consultants (OFGC)


Magdi El Naggar is officially Certified as Professional Petroleum Engineering Consultants (License 116/7). He has 46 years of professional experience n various phases of Petroleum Engineering including Petroleum/Reservoir/Production/Drilling & Workover Engineering as well as field operations with several multi-national international companies including ARAMCO (Saudi Arabia) and ADNOC (UAE). He has extensive professional experiences in all phases of well intervention operations including coiled tubing, especially during well emergency cases, well control and extended reach operations.

He specialized in well intervention operations, especially, during emergency cases and well blowouts. He also has extensive experiences in full field development studies, Production Enhancement for oil fields as well as various types of wells, CO2 Injection and EOR operations, IWCF & IADC certification.