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Artificial Lift Technology

Duration: 5 Days |  Level: Intermediate

Artificial lift refers to the use of artificial means to increase the

flow of liquids, such as crude oil or water, from a production

well. This course is focused on introducing the design and

troubleshooting rod pumping, continuous gas lifts, and electric

submersible pump systems. Other methods such as: PCP,

plunger lift, jet pump, hydraulic pump, and intermittent gas lifts

will also be addressed.


This course is designed for engineers, technicians, field

supervisors, and others who select, design, install, evaluate, or

operate artificial lift systems.

  • Course Objectives:

    At the end of this course participants will be able to:

    • Know strategies and best practices for field production optimization and when and how nodal systems analysis can be applied to lift performance optimization
  • Course Content

    • Introduction to types of artificial lift
    • Progressing cavity pumping systems
    • Hydraulic lift systems
    • Gas lift systems
    • Plunger lift systems
    • Electric submersible pumping systems
    • Well completion & profile
    • Artificial lift screening
    • Geographical & environmental conditions
    • Reservoir characteristics
    • Reservoir pressure & well productivity
    • Characteristics of fluids
    • Surface constraints
    • Economic considerations
    • Best practices for installation and maintenance
    • Artificial lift maintenance operations
  • Programme Schedule

    Day 1

    Fluid Flow Fundamentals

    • Black oil PVT
    • Inflow performance relationships
    • Nodal analysis technology

    Day 2

    Overview of Artificial Lift

    • Comparison of artificial lift systems
    • Artificial lift analysis using measured data
    • Artificial lift selection

    Day 3

    Beam (Rod) Pump Systems

    • Surface and subsurface equipment
    • Power requirements
    • Dynamometers and troubleshooting
    • Optimization
    • Exercise for designing a SRP system

    Progressive Cavity Pumps System

    • Applications
    • Surface and subsurface equipment
    • Geometry of downhole pumps
    • Fit (interference), viscosity, slip
    • Elastomers
    • Power requirements
    • Exercise for designing a PCP system

    Day 4

    Electric Submersible Pumps (ESP)

    • Applications, design, and selection of ESP’s
    • Surface equipment
    • Subsurface equipment
    • Installation and operations

    Day 5

    Gas Lift Systems

    • Principles of gas lifts
    • Gas lift valves
    • Design and operations
    • Intermittent vs

Duration: 5 Days |  Level: Intermediate

This training course discusses the various well stimulation

treatments that are frequently used to stimulate old or poorly

producing wells. It will cover the stimulation techniques as

tools to help manage and optimize reservoir development

The course includes: acidizing and fracturing quality control,

conducting the treatment, monitoring pressures, and other

critical parameters, during and after the treatment.


This course is designed for production, completion, reservoir

and drilling engineers, as well as field supervisors, production

foremen, engineering technicians and geologists.

  • Course Objectives:

    At the end of this course participants will be able to

    • Understand the impact of formation damage on well performance
    • Gauge the effectiveness of well stimulation treatments, technically and economically
  • Course Content

    • Introduction to formation damage
    • Acid techniques
    • Corrosion inhibitor
    • Hydraulic fracturing application
    • Hydraulic fracturing geometric model
    • Fracturing pressure analysis
    • Hydraulic fracturing design
  • Programme Schedule

    Day 1

    Introduction to Formation Damage

    • Damage caused by drilling mud
    • Damaged caused by production well systems
    • Damage caused by well geometry
    • Well damage modelling
    • Damage measurement
    • Pressure build-up tests
    • Pressure drawdown tests
    • Multi-rate tests
    • Rock mechanics
    • Overburden stress
    • Flow reign and fluid rheology

    Day 2

    Acid Placement Techniques

    • Acid fracturing
    • Acid chemical reactions
    • Acid reaction with carbonate rocks
    • Acid flow to mineral surfaces
    • Acid spreading into rocks
    • Additives in acidizing
    • Surfactant

    Corrosion Inhibitor

    • Iron control
    • Alcohol
    • Mutant solvent
    • Clay stabilizer

    Day 3 and 4

    Hydraulic Fracturing Applications

    • Fluid fracturing and its additives
    • Fluid fracturing composition
    • Basic fluids choice

    Other Additives

    • Frac. Propant
    • Formation break down
    • Step rate test
    • Shut-in decline test

    Day 5

    Hydraulic Fracturing Design

    • Input data
    • Hydraulic fracturing optimization
    • Hydraulic fracturing operation evaluation

Cased-Hole Logging

Duration: 5 days |  Level: Basic

This course comprehensively covers up-to-date traditional

wireline diagnostic techniques for the surveillance of cased

wells, cased-hole and production log evaluation, plus a loose-

leaf workbook.


This course is designed for petroleum, production and reservoir

engineers.

  • Course Objectives:

    At the end of this course participants will be able to

    • Understand the cement tools, basics on data review, and full analyses
    • Understand the corrosion tools; basics on phase shift tools, flux and eddy current, the micro-corrosion tools, data resolution and evaluation
    • Use the open hole production logging – vertical & horizontal wells
    • Understand the monitoring tools; basics and advanced data monitoring
    • Understand the noise logging data and well integrity
  • Course Content

    • Cement evaluation
    • Acoustic measurements (CBL - VDL)
    • Ultrasonic measurements
    • Other logs (temperature, etc)
    • Corrosion evaluation of casing and tubing
    • Origins of the corrosion process in the wells
    • Corrosion evaluation
    • Multi arms caliper: theory of operation and interpretation
    • Electromagnetic and potential measurements
    • Ultrasonic logging
    • Formation evaluation in cased holes
    • Introduction to logs for cased hole formation evaluation
    • Pulsed neutron capture logs
    • Thermal decay time and absorption log
    • reservoir saturation tool
    • Other logs (resistivity, etc
    • Production logging
    • Main characteristics (PVT) of the reservoir fluids (oil and gas)
    • Production log record
    • Determination of the fluid velocities and the fluid densities in the well
    • Pressure and temperature measurements
    • Flow characterization and modeling
    • Production log interpretation
  • Programme Schedule

    Day 1

    Introduction to the Reservoir

    • Basic concepts of reservoir engineering
    • The dynamics of flow in wells
    • Review of the major problems associated with well production
    • Introduction to cement evaluation methods and tools
    • Introduction to corrosion monitoring methods and tools

    Day 2

    Introduction to Logs for Cased-Hole Formation Evaluation

    • Monitoring saturation through casing
    • Basic ideas and methods including pulsed neutron capture and C/O logging
    • The analysis of data and comparison with open hole
    • Basic production logging sensors and their uses

    Day 3

    Measurement Methods

    • The analysis of single-phase flow in wells
    • Using basic flowmeter logs
    • The analysis of multi-phase flow using fluid density
    • Hold-up measurements in the classical manner

    Day 4

    Used Techniques

    • The use of the latest measurements to analyse multi-phase flow
    • Introduction to computer based analysis and evaluation models
    • The use of production logging techniques in horizontal wells

    Day 5

    Reservoir Saturation Tools

    • The analysis of reservoir problems and basic survey planning to maximize useful information
    • A review of perforation techniques including the choice of the methods

Gaslift Design, Operation & Troubleshooting

Duration: 3 days |  Level: Basic

The objective of this course is to provide a comprehensive

understanding of artificial lift techniques, types of gas-lift, gas

lift completions and maintenance, types of gas lift valves, gas lift design, and the troubleshooting of gas lift techniques.


This course is designed for artificial lift engineers, field

supervisors, production engineers and mid-level managers.

  • Course Objectives:

    At the end of this course participants will be able to


    • Know the fundamentals of the gas-lift completion and the lift process
    • Understand inflow and well outflow performance
    • Know how gas-lift valves work and understand gas-lift valve mechanics
    • Design a gaslift completion
    • Complete gas-lift troubleshooting and surveillance
    • Complete liftgas allocation to multiple wells
  • Course Content

    • Inflow performance
    • Multiphase flow
    • Gas properties
    • Types of gas-lift
    • Gas-lift completions and maintenance
    • Gas-lift valve mechanics
    • Gas-lift design
    • Gas-lift surveillance
    • Troubleshooting
    • Liftgas allocation
  • Programme Schedule

    Day 1

    Introduction

    • Outline & introductions
    • Artificial lift and gas-lift

    Inflow Performance

    • What is inflow performance
    • The straight line PI and the Vogel equation

    Multiphase Flow

    • Holdup and slippage
    • Vertical lift performance
    • Gradient curves
    • Empirical correlations and calibration

    Gas Properties

    • Gas properties and the Z-factor
    • Gas gradients
    • Volumes stored in gas-lift systems
    • Gas flow through orifices

    Day 2 and 3

    Types of Gas-Lift

    • Single string completions
    • Dual string completions
    • Intermittent gas-lift

    Gas-lift Completions and Maintenance

    • Running, pulling and setting gas-lift valves
    • SPM types
    • Scaling issues

    Gas-Lift Valve Mechanics

    • Types of gas-lift valves: unbalanced & balanced
    • Opening/closing pressure
    • Temperature effects
    • Valve setting recommendations
    • Gaslift valve models

    Gas-Lift Design

    • Equilibrium curve
    • Depth of the top valve

    Day 4 and 5

    Gas-Lift Surveillance and Troubleshooting

    • Common problems
    • Use of the two pen recorders and gradient surveys
    • Gas-lift stability

    Liftgas Allocation

    • Allocation of liftgas to multiple wells
    • Allocation technique

Integrated Production Optimization Using NODAL Analyses

Duration: 5 days  |  Level: Advanced

The NODAL analysis views the total producing system as a group of components encompassing: reservoir rock, completions (gravel, pack, open/closed perforations, open hole), vertical flow strings, restrictions, multi- lateral branches, horizontal terrain flow lines/risers, integrated gathering networks, compressors, pump stations, metering locations, and market/system rate/pressure constraints.


This course is designed for production, operations, and reservoir engineers, as well as senior technicians and field supervisors with an engineering background.

  • Course Objectives:

    At the end of this course participants will be able to

    • Optimize the process using an integrated approach, including nodal analysis and identification of major pressure losses
    • Identify constraints and propose recommendations for production optimization
  • Course Content

    • Introduction to nodal analysis
    • Inflow performance
    • Completion performance
    • Tubing performance
    • Flowline performance
    • Future performance prediction
    • Artificial lift
    • Total system optimization
    • Software practice sessions
  • Programme Schedule

    Day 1

    Overview of the Production System from Reservoir to Surface

    • Production system and process
    • Well completions
    • Lift methods
    • Gathering systems
    • Separation systems

    Day 2

    Nodal Analysis

    • Main pressure-drop
    • Components
    • Inflow performance
    • Relationship
    • Completion
    • Tubing system graph
    • Gas well production behavior

    Day 3 and 4

    Subsurface-surface production operation

    • Integrated vision
    • Procedures
    • Best practices
    • Identification of restrictions
    • Corrective actions
    • Production optimization using automation technology
    • Performance management

    Day 5

    Integrated Production Systems

    • Software and tools focusing on performance modeling
    • Technology trends
    • Integrated information management for control, monitoring, and automation

Introduction to the Oil & Gas Industry

Duration: 5 days  |  Level: Basic

This course will provide a comprehensive and clear

understanding of the technical and commercial operation of the oil & gas industry. The course will look at the industry principles such as: exploration & production, geology, transportation, storage, prices, legal and commercial systems.


This course is designed for new executives to the industry,

commercial managers, various engineering disciplines, HR

managers, marketing, sales, and legal & commercial managers.

  • Course Objectives:

    At the end of this course participants will be able to

    • Understand the Oil & gas chain and learn how departments work and integrate together in the company
    • Know new terminology in the oil & gas industry, and improve communication between departments in the company
    • Understand the current technical, commercial and operation issues
    • Be familiar with all engineering and development aspects of the industry
    • Be familiar with various geological and geophysical exploration methods
    • Explain the principal objectives and some key challenges in the petroleum industry
  • Course Content

    • Oil & gas industry overview
    • Oil & gas geology
    • Exploration phase
    • Drilling operations
    • Conventional and unconventional oil & gas recourses
    • Formation evaluation
    • Well completion
    • Oil & gas production facilities
    • Reservoir management
    • Pipeline and other transportation modes
    • Gas storage facilities
    • Fundamentals of LNG production and transportation
    • Crude oil refinery production and processes
    • Commercial & legal issues
    • Oil & gas prices’ volatility
    • Oil & gas trading and transportation
    • Roles of NOC, IOC, I-NOC
  • Programme Schedule

    Day 1

    Overview of the Oil & Gas Industry

    • The main value creation steps from exploration to end-user products
    • Upstream, midstream and downstream sectors
    • Geographical distribution of resources
    • Main consumption markets
    • Industry and market participants
    • Important industry trends

    Day 2 and 3

    Upstream Sector

    • Origins of oil & gas
    • Physical and chemical quality characteristics of oil & gas
    • Conventional and unconventional oil & gas resources
    • Obtaining commercial access to resources
    • Creating value by locating oil & gas reservoirs
    • Creating value by turning resources into bookable reserves
    • Basics of oil & gas production
    • Enhancing the value of mature resources
    • Arrangements for sharing of risk, investment and rewards
    • Roles of national oil companies and independent oil companies

    Day 4

    Midstream Sector

    • Marine transportation of oil
    • Pipeline and other oil transportation modes
    • Oil storage logistics
    • Creating value by getting gas to market
    • Fundamentals of LNG production and transportation
    • Gas pipeline operations
    • Gas storage facilities
    • Creating value through the use of transport and storage
    • Wholesale trading of crude oil, LNG, and natural gas

    Day 5

    Downstream Sector

    • Refining processes and the main petroleum products
    • Economics of refinery operations
    • Blending and storage of refined products
    • Biofuels and additives
    • Regulation of end-user markets
    • Retail and wholesale marketing of transport fuels
    • Retail and wholesale marketing of natural gas
    • Lubricants, asphalt, and other specialty oil products
    • Overview of petrochemicals markets
    • Trading of refined products

Production Technology

Duration: 5 days  |  Level: Basic

This course covers the technical aspects of production, such

as: reservoir drive mechanisms, drilling methods, well and

completion types, hydrocarbon in- and outflow performance,

formation damage and cleaning mechanisms, well life-cycle,

production surveillance, production chemistry, and the latest

state-of-the-art technologies.


This course is designed for production engineers, geologists,

petrophysicists, production programmers, reservoir and well

engineers.

  • Course Objectives:

    At the end of this course participants will be able to

    • Execute roles and responsibilities in E&P’s business process model
    • Design wells and their completions, including gravelpack, perforations, and artificial lift systems
    • Establish inflow and outflow performance
    • Optimise production performance, including well intervention, stimulation, and fracking
  • Course Content

    • Design of wells
    • Drilling, configuration and components
    • Introduction to drilling practices
    • Flow dynamics
    • Conceptual completion design
    • Well–reservoir interface
    • Artificial lift
    • Well intervention
    • Well integrity
    • Stimulation: acidizing and fracking
    • Production chemistry
    • Smart wells
  • Programme Schedule

    Day 1

    Design of Wells

    • Introduction to drilling practices
    • Design of wells

    Flow Dynamics: In- and Outflow, Natural and Artificial Flow (Lift Curves)

    • Explanation on the physics of in- and outflow performance of hydrocarbon fluids in the well

    Day 2

    Conceptual Completion DesignWell-reservoir interface (sand exclusion, perforating)

    • Dual/single completion
    • Types of tubing
    • Packer
    • Artificial lift

    Integrated Business Process for Production Operations

    • Explanation of the key role that PT plays in the interface
    • Co-ordination of the optimization process

    Day 3

    Well Intervention

    • Overview of technologies and equipment during workover of wells

    Well Integrity

    • Overview of PT’s assurance activities for safely operating a well’s production

    Day 4 and 5

    Stimulation: Acidizing and Fracking

    • Overview of stimulation activities, which are designed by the PT

    Production Chemistry

    • Overview of the sources
    • impact of various chemical reactions that impact performance, such as scale, corrosion, wax, hydrates

    Smart Wells: Innovative Technologies in Wells

    • Overview of state-of-the-art technologies

Sand Control

Duration: 5 days  |  Level: Intermediate

This course discusses concepts related to the selection of

sand control methods and treatment design1 The course

analyses sand control best methods for horizontal wells and

water injectors. There are various methods of sand control

including: open hole gravel packs, frac packs currently practiced in industry, design procedures. The tools and technology employed in sand control are introduced in the form of theory and practical operations.


This course is designed for completion, production and research engineers, and field supervisors

  • Course Objectives:

    At the end of this course participants will be able to

    • Understand the nature of sandface and its behaviour.
    • Know the causes of sand production and formation damage.
    • Know the techniques and practices of formation damage treatment.
    • Predict formation behaviour.
    • Choose the best sandface completion that maximizes flow.
    • Know the well completion practices that give you the highest productivity.
    • Understand the various sand control techniques.
  • Course Content

    • Sand control techniques
    • Sand management
    • Causes of sand production
    • Predicting sand production
    • Screenless sand control
    • Gravel pack design
    • Formation damage
    • Slotted liners and wire wrapped screens
    • Gravel pack completion
    • Perforation prepacking and enhanced prepacking
    • Frac packing
    • Open hole gravel packing
    • Expandable screens
    • Gravel pack performance
    • Horizontal well completions
    • Quality control
  • Programme Schedule

    Day 1

    Introduction to the Causes and Effects of Sand Production

    • The geology of sedimentary formations
    • The nature of cohesive failure, and contributing issues
    • Terms that describe sanding formations

    Prediction of Formation Behavior

    • Formation properties logs used to predict sand propensity to produce
    • Understanding each element of Darcy’s Law
    • Drawdown issues, predictions and calculations
    • Time dependence and multiphase flow

    Day 2

    Productivity and Flow Efficiency

    • The concept of radial vs
    • Issues related to near wellbore restrictions

    Formation Damage

    • Drilling the well
    • Cementing operations
    • Damage due to perforating
    • Chemistry of formation clays
    • Damage due to mishandling of clays
    • Treatments to minimize clay damage
    • Well treatment chemicals i1e
    • In-situ damage compounds; i1e
    • Use and misuse of HCl and HF acids

    Evolution of Sand Management Techniques

    • Philosophies vs. results
    • Risk management
    • Handling of produced sand

    Day 3

    Drill-in and Completion Fluids

    • Chemistry and application of specialty brines
    • Filtration and viscosifying brines
    • Safety video on ZnBr2 brines
    • Fluid loss tests and what the numbers mean

    Mechanical Devices

    • Methods used to manufacture screens & liners
    • Special purpose screen

    Formation Sand Sizing Issues

    • Sieve analysis
    • Analysis by electronic instruments

    Day 4

    Cased-Hole Sandface Completions

    • Fluid filtration techniques
    • Cartridge vs. D.E. filtratio
    • Quantifying filtration results
    • Beta ratings

    Perforating

    • Gun design and deployment

    Evolution of Charge Designs

    • Perforation sizing and shapes
    • Perforation cleaning methods

    Types of Gravel Packs

    • Water packs
    • Slurry packs
    • Discussion about polymers used to viscosify gravel pack fluids
    • Carrier fluid selection

    Day 5

    Gravel Placement Techniques

    • Over-the-top method
    • Through-tubing gravel packs
    • Inside pressure pack
    • Perforation packing
    • How fluids selection relates to tool design

    Tool Designs to Achieve Void-free Packing

    • Components of a gravel packing tool string & purpose of each
    • Multi-position gravel pack packers

    Introduction to Frac Packing in Cased Completions

    • Completing frac-packs
    • Comparing frac-packs with other methods
    • Introduction of the Dusterhoft Application Selection Chart
    • Hydraulic fracturing concepts

    Chemical Consolidation Methods

    • Consolidation resins used in pre-pack screens
    • Epoxy resin consolidation systems
    • Furan resin consolidation systems
    • Fracturing Fluid Systems
    • Water packs

Surface Field Production Engineering

Duration: 5 days  |  Level: Basic

The purpose of this course is to present an overview and

fundamental understanding of the wide range of oilfield

production handling and treatment equipment. The

fundamental principles of fluid behavior are first introduced, then applied to all of the various equipment and systems comprising production operations. Emphasis is placed on understanding the internal workings inside the piping, valves, and vessels.


This course is designed for production, operations, facilities, and petroleum engineers, as well as field production supervisors and surface equipment technicians, who interact with field facility engineers/operators

  • Course Objectives:

    At the end of this course participants will be able to

    • Know the wide range of equipment used to process, treat, transport, and store oilfield produced fluids
    • Understand the physical properties and phase behavior of crude oil and natural gas that govern production operations
    • Know the basics of oilfield corrosion prevention, detection and treatment
    • Determine and minimize pressure drop in pipelines, valves and pressured vessels; know the internal workings of separators, pumps, compressors, valves and other treating equipment
    • Know the processes and equipment used to handle acid gases
    • Have a basic understanding of a wide range of produced fluid volume measurement and metering devices
  • Course Content

    • Introduction to surface facilities
    • Hydrocarbon properties
    • Well control and safety systems
    • Pipeline systems: series, parallel, looped, loopless
    • Pigging
    • Valves
    • Separation system
    • Oil treatment
    • Water treatment
    • Gas treatment
    • Pumps
    • Natural gas compression
    • Hydrocarbon measurements
    • Acid gas treatment
    • Corrosion
  • Programme Schedule

    Day 1

    Properties of Produced Fluids

    • Impact of pressure and temperature
    • Fluid on key hydrocarbon parameters
    • Fluid behavior

    Valves

    • Api valves, chokes, regulators, and flow control devices
    • Principle of operation and effect on fluid condition

    Safety Systems and Surface Safety Control Systems

    • Relief valves
    • Pressure ratings
    • Api recommended practices

    Day 2

    Flowlines

    • Manifolds and gathering systems
    • Full wellstream production
    • Two and three-phase fluid flow
    • Pigging
    • Slugs
    • Foam and emulsions

    Mechanical Equipment

    • Pumps
    • Compressors
    • Heaters
    • Sour and acid gas treating
    • Pressured vessels, storage facilities and other surface and subsurface treating/fluid handling equipment

    Day 3

    Gas Separation / Treating

    • Two and three phase separation
    • Free water removal
    • Treatment of emulsions
    • Hydrate prevention and treatment
    • Vapor recovery
    • Gas conditioning for sales
    • Injection or field usage

    Day 4

    Oil / Water Separation and Treatment

    • Two and three phase separation
    • Emulsion breaking, asphaltenes
    • Solids control
    • Removal of residual oil-in-water
    • Water-in-oil to meet pipeline specifications or injection / disposal
    • Requirements, hydrocyclones
    • New water / oil treating equipment

    Fluid Measurement and Instrumentation

    • Liquid and gas metering using positive displacement meters
    • Orifices, sonic meters, mass measurement meters, three phase flow measurement and new metering devices

    Day 5

    Acid Gas Treatment

    • Field handling and treatment of sour and acid gases
    • Safety considerations
    • Api standards

    Corrosion

    • Fundamental principles
    • Detection, prevention and treatment

Well Intervention and Productivity

Duration: 5 days  |  Level: Intermediate

This course is designed to make those that attend aware of how their job can directly impact the productivity. The course covers well production, impact of completion design on interventions, production problems identification, operations, and well intervention methods.


This course is designed for petroleum engineers, well

intervention engineers, reservoir, and drilling engineers,

production operators, wellsite supervisors, and geologists.

  • Course Objectives:

    At the end of this course participants will be able to

    • Be more aware of the problems that can arise in the planning and execution of well interventions.
    • Identify problems in wells and effective interventions

  • Course Content

    • The economic importance of well productivity
    • An overview of well production
    • Fluids
    • Completion architecture production problems
    • Operations
    • Well intervention methods
  • Programme Schedule

    Day 1

    Introductions

    • Course objectives
    • Economic importance of well productivity

    Overview of Well Production

    • Influence of geology
    • How wells produce
    • Formation damage – skin
    • Types of formation damage

    Day 2 and 3

    Fluids

    • Drilling fluids
    • Completion fluids
    • Workover fluids and kill pills

    Completions

    • Reservoir completions
    • Upper completions
    • The importance of completion design in relation to the ability to carry out interventions
    • Planning Interventions in a range of different completion types

    Production Problems and their Identification

    • Water and gas production
    • Corrosion
    • Wax and paraffin
    • Asphalines
    • Hyrdrates
    • H2S
    • Fines migration – phase related permeability reduction
    • Scale
    • Emulsions

    Day 4

    Operations

    • Artificial lift
    • Cementing and cement evaluation
    • Perforating and re-perforation
    • Remedial sand control
    • Acid stimulation
    • Hydraulic fracturing
    • Sidetracks and laterals
    • Underbalance drilling
    • Water/gas shut off
    • Acid stimulation
    • Hydraulic fracturing
    • Sidetracks and laterals
    • Underbalance drilling
    • Water / gas shut off

    Day 5

    Well Intervention Methods

    • Rig workover
    • Coiled tubing
    • Hydraulic workover

    Wireline

    • Intervention in subsea wells
    • Inventions in HPHT wells

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