Coiled Tubing Operation

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Upcoming Course

Code Start Date End Date Location Cost Instructor Register
PST0335-202301  12 Jun 2023  16 Jun 2023  Kuala Lumpur, Malaysia  USD 2995  Magdi El Naggar   Register

Past Course

Code Start Date End Date Location Cost Instructor Register
        Aaron A. Zick, Ph.D. 
PST0335-201501  05 Oct 2015  09 Oct 2015  Kuala Lumpur, Malaysia  SGD 5995  Magdi El Naggar 
PST0335-202101  27 Sep 2021  01 Oct 2021  VIRTUAL TRAINING  USD 2995  Magdi El Naggar 
PST0335-202201  19 Sep 2022  23 Sep 2022  VIRTUAL TRAINING  USD 2995  Magdi El Naggar 

This course is designed to introduce an overview of the coiled tubing operations concept and its applications in oil fields.It introduces variety of the coiled tubing technologies with special attention to the unit as surface  equipment and downhole tools The  course  also covers the  main  components, application envelope and coiled tubing special  applications as well as the contingency plan for all possible  situations which could be encountered throughout various operations. Moreover, the course provides better understanding, enhance  knowledge and strengthen the decision-making capability of  the participants about all types of wellbore treatments implemented to recover or enhance the well performance throughout presentations, case studies, group discussions and exercise as well as practical videos of actual cases.


Day 1

Pre- Course Test

Module 1:Well Completion Types

  • Definition of well completion
  • Well completion Classification
  • X-masTree
  • Wellhead
  • Casings
  • Liners
  • Production Tubing String
  • Packers
  • Sub-Surface Control System (SC-SSSVs)
  • Wellhead Control System
  • Artificial lift completions (ESP, GL)
  • Smart Completions
  • Impact of well completion selection  on future well intervention operations in wells

Module 2:Well Completion Operations

  • Definition of well completion concept
  • Perforation
    • Types
    • Guns
    • Bullets
    • Phasing
    • TCP
  • Stimulation operation
    • Basics and concept
    • Candidates selection
    • Reservoir lithology  & impact on stimulation methodology
  • Hydraulic Fracturing

Module 3:Well Intervention Operations

  • Conventional:
    • Coiled Tubing Operations
      • 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
  • Impact of well completion and well intervention operations

Module 4:Introduction to the Coiled Tubing Unit

  • Introduction
  • Coiled tubing description
  • Coiled tubing equipment design
  • Coiled tubing applications
  • Coiled tubing advantages
  • Coiled tubing disadvantages
  • Group discussion & exercises

Day 2

Quizzes & recap

Module 5:Coiled Tubing Surface Equipment

  • Depth meter
  • Goose neck
  • Injector head
  • Coiled tubing reel
  • Prime movers
  • PowerPack
  • Stripper (conventional, side door)
  • BOP

Module 6:Surface Equipment Handling & Testing Procedures

  • Depth meter
  • Injector head
  • Reel
  • Power pack
  • Control cabin
  • Pressure control equipment
  • BOP
  • Stripper (conventional, side door)
  • RTMS
  • Auxiliary surface equipment

Module 7: Coiled Tubing Downhole Tools

  • Standard threads
  • Grapper connectors
  • Connectors
  • Check valves
  • Nozzles & Jetting subs
  • Swivel joint
  • Release joints
  • PRV
  • Centralizers
  • Accelerators
  • Jars
  • Overshots
  • Spears
  • Downhole Tractor

Module 8 : Pre-Job Safety Procedures

  • General requirements
  • General HSE aspects
  • PTW
  • TBM
  • Coiled tubing well control drill

Day 3

Quizzes & recap

Module 9 : High Pressure Coiled Tubing
Module 10 : Coiled Tubing Applications

  • Matrix treatment
  • Logging operations (open hole, Cased hole)
  • Drilling contingencies
  • Squeeze cement
  • Under reaming/milling
  • Inflatable packers and bridge plugs
  • Coiled tubing drilling
  • Coiled tubing completion
  • Well Kick-off
  • Fill Cleaning
  • Scale removal
  • Well control/killing
  • Excessive water/gas shut-off
  • Fishing operations
  • P&A
  • Artificial lift
  • Sands/non-cementious materials placement
  • Case Studies
    • Matrix treatment operations
    • Logging Operations
    • Cement Squeeze Operations
    • Mill & under-reaming operations
    • Fill Cleaning 
    • Scale removal operations
    • Fishing operations of downhole lost tools
    • Well kick off & activation
    • Cement squeeze Operation

Module 11 : Coiled Tubing Operation Procedure

  • Pre-Job requirements
  • Scaffolding
  • Pre-job equipment requirements
  • Coiled tubing rigging-up & function testing
  • Treating line rigging-up & testing
  • General running procedures
  • Operational procedures:
    • Well Control/Killing
    • Well Kick-off
    • Nitrogen properties & uses
    • Fill cleaning
    • Scale removal
    • Excessive water/gas shut-off
    • P&A
    • Well stimulation
  • Production logging pressure deployment procedures
  • Fishing operations
  • Rigging down and HSE requirements
  • Coiled tubing stability during mobilization

Module 12 : Coiled Tubing Technical Data

  • Definitions
  • Coiled tubing operating limits
  • Burst pressure
  • Collapse pressure
  • Coiled tubing ovality
  • Fatigue and corrosion
  • Stress and strain
  • Forces affecting the coiled tubing performance
  • Buckling
  • Depth correction and stuck point calculations
  • Helicallock-up
  • Catastrophic buckling

Day 4

Quizzes & recap

Module 13 : Coiled Tubing Contingency Procedures
Module 14 : Coiled Tubing Operational Troubleshooting & Case History
Module 15 : Coiled Tubing Maintenance
Module16: Reservoirs and Rock Properties

  • Definition of Reservoir
  • Reservoir Heterogeneities
  • Reservoir Characteristics:
    • Porosity
    • Permeability
    • Relative Permeability
    • Saturation
    • Natural Fracturing
    • Pressures
    • Reservoir Pressure
    • Basic Pressure calculations
    • Pressure Differential
    • Well Temperature
    • Drilling Fluids
    • Completion Fluids

Module 17 : Formation Damage

  • Types of formation damage
  • Scaffolding
  • Classification of Formation damage by process
  • Sources of formation damage
  • Skin and impact on well productivity
  • Formation damage laboratory tests (return permeability test, formation
  • initiation pressure test, cake lift off test, etc.)
  • Formation damage from drilling mud/processes
  • Formation damage from perforations
  • Formation damage from completion and Workover fluid
  • Formation damage from oil and gas production activities
  • Formation damage from scales
  • Formation damage from organic deposits
  • Formation damage from Wettability changes
  • Formation damage from Acid stimulation
  • Formation damage from Injection (water injection, C02 injection, polymer flooding, steam flooding)
  • Case Studies
    • Well productivity sudden decline and identifying proper treatment requirements
    • Production profile slope change& how to use the data in defining the problem
    • Utilizing production history graph to detect the damage
    • How to use PBU/PFO tests to identify the skin factor as indicator for formation damage.
    • Partial penetration and slanted skin effect
    • Impact of perforation skin factor

Day 5

Quizzes & recap

Module 18 : Stimulation of Sandston Reservoir

  • Why stimulating a Sandstone reservoir?
  • Sandstone reservoir description- mineralogy
  • Acid formulation and lab tests e.g., acid response curve, compatibility test, return permeability test, etc.
  • How much overflush is required
  • How to avoid fluoride precipitation in sandstone stimulation
  • Case study

Module 19 : Stimulation of Carbonate Reservoir

  • Why stimulating a carbonate reservoir?
  • Carbonate reservoir description - mineralogy
  • Acid formulation and lab tests e.g., acid response curve, compatibility test, return permeability test, etc.
  • What is the big deal about wormholes?
  • How to ensure the best acid coverage? Open hole? Cased hole?
  • Acid placement in heterogeneous reservoir? Use of diverting agents
  • How to ensure the best zonal coverage?
  • Practical guidelines on how to select and evaluate acid treatment
  • Case study

Module 20 : Sand Control Completion Overview

  • Sand production problem
  • What are the consequences of sand production?
  • Sand Detection
    • Sand monitoring
    • Measuring Sand production
  • Sand Prediction and Monitoring
    • What causes sand production?
    • Types of sand failure
    • How to predict sand production in new wells
    • How to predict sand failure during well production
  • Sand Control Completion
    • Selective perforation method
    • Cased hole gravel pack
    • Frackpack
    • Perforating for sand control
    • Frac pack completion: success of a frac pack, frac pack limitations,
    • Frac pack fluids, frac pack installation and treatment procedure
    • Gravel pack I Frac pack evaluation
    • Sand Control field operations step

Case study
Pre-Course test

  • Understand the fundamentals & concept of the coiled tubing unit
  • Increase awareness and knowledge of the coiled tubing operations and factors affecting its performance.
  • Acquire necessary knowledge of the coiled tubing operational techniques, technologies and equipment.
  • Understand alternate deployment scenarios and multisensory applications for surveillance and optimization.
  • Possess the basic skills required to select and implement various coiled tubing techniques as per operational requirements.
  • Be able to handle various coiled tubing emergency situations, plan its operations, monitor and analyze its performance.
  • Learn strategies and best practices for coiled tubing operations optimization
  • Understand the geological and basic reservoir properties 
  • Understand the formation damage concept and mechanism Understand the effect of formation damage on revenue of the operator
  • Understand the impact of skin damage effect on productivity for both vertical and horizontal wells. 
  • Gain knowledge about various types of wellbore treatments to remove formation damage.
  • Acquire knowledge on  how  to select the  best fluid  (less damaging)  at every phase  of the  well  development:  drilling, completion, cementing, perforating, stimulation, gravel packing, workover, production and injection operations
  • Production Engineers with 0-10 Years Experience
  • Drilling Engineers with 0-10 Years Experience
  • Petroleum Engineers with 0-10 Years Experience
  • Coiled Tubing Operators with 0-10 Years Experience
  • Operations Supervisors with 0-10 Years Experience
  • Field Service Engineers with 0-10 Years Experience
  • Field Operations Engineers with 0-10 Years Experience
  • Reservoir Engineers with 0-10 Years Experience
  • Coiled Tubing Supervisors with 0-10 Years Experience
  • Operations Engineers with 0-10 Years Experience

Aaron A. Zick, Ph.D.

Founder and President


President, Zick Technologies (Since 10/93).

Petroleum engineering consulting and software development, specializing in the area of reservoir fluid phase behavior modeling. References available on request. Key achievements:

-Developed numerous equation-of-state and black-oil fluid characterizations for various major oil companies and as a sub-contractor for Pera A/S.

-Recommended phase behavior experimentation and modeling guidelines for several major oil companies.

-Wrote PhazeComp, a new, state-of-the-art program from Zick Technologies for equation-of-state phase behavior modeling, reservoir fluid characterization, and the robust, efficient calculation of minimum miscibility conditions.

-Wrote Streamz, unique Petrostreamz A/S software for translating, manipulating, and managing vast quantities of fluid stream information.

-Designed and helped write Pipe-It, unique Petrostreamz A/S software for managing and manipulating petroleum resources, processes, and projects.

-Taught numerous industry courses on phase behavior, equations of state, reservoir fluid characterization, and miscible gas injection processes.

-Designed and helped implement a new set of equation-of-state routines for the in-house reservoir simulator of a major oil company.

-Advised the architects of a major commercial reservoir simulator on ways to significantly improve their equation-of-state routines.


Director of Research, Reservoir Simulation Research Corporation (6/91–10/93).

Responsible for the research and development of more efficient, accurate, and reliable techniques for modeling reservoir fluid phase behavior within MORE® (a fully-compositional, equation-of-state reservoir simulator). Also responsible for improving three-dimensional visualization of reservoir simulator output, and for occasional consulting work. Key achievements:

-Designed and implemented new equation-of-state solution algorithms for MORE®, improving both efficiency and robustness while using less memory.

-Developed a powerful and flexible interface between MORE® and TECPLOT™ (three-dimensional surface contouring software from AMTEC Engineering).


Senior Principal Research Engineer, ARCO Oil and Gas Company (9/83–5/91).

Developed expertise in reservoir fluid phase behavior, phase behavior modeling, compositional reservoir simulation, and relative permeability modeling.  Designed and analyzed PVT experiments. Created equation-of-state reservoir fluid characterizations. Developed ARCO’s phase behavior modeling software and relative permeability modeling software. Helped develop several of ARCO’s compositional and limited compositional reservoir simulators. Key achievements:

-Discovered the true, condensing/vaporizing mechanism of oil displace­ment by enriched hydrocarbon gases.

-Represented ARCO on the Prudhoe Bay co-owners’ Enhanced Oil Recovery Task Force for the Prudhoe Bay Miscible Gas Project.

-Designed and analyzed most of the PVT and slim-tube experiments for the Prudhoe Bay Miscible Gas Project.

-Created the equation-of-state reservoir fluid characterization adopted by the operating companies for the Prudhoe Bay Miscible Gas Project.

-Developed the miscibility pressure correlations used by the facility operators for the Prudhoe Bay Miscible Gas Project.

-Developed EOSPHASE, a then state-of-the-art program for equation-of-state phase behavior modeling, reservoir fluid characterization, and the robust, efficient calculation of minimum miscibility conditions.

-Developed SLIMTUBE, a special-purpose, equation-of-state simulator for slim-tube displacements.

-Developed new, compositionally-consistent, three-phase relative perme­ability models for ARCO’s compositional simulators and wrote data-fitting software for those models.

-Developed the phase behavior and relative permeability routines for a new, limited compositional reservoir simulator and assisted on other aspects of it.

-Continually added improvements to various in-house reservoir simulators.

-Regularly taught in-house courses on the phase behavior of miscible gas displacement processes.



A. A. Zick, “A Combined Condensing/Vaporizing Mechanism in the Displacement of Oil by Enriched Gases,” presented at the 61st Annual Technical Conference and Exhibition of the Society of Petroleum Engineers, New Orleans, LA (October, 1986).

D. E. Tang and A. A. Zick, “A New Limited Compositional Reservoir Simulator,” presented at the 12th SPE Symposium on Reservoir Simulation, New Orleans, LA (March, 1993).