The course will feature:

• Overview of well completion methods
• Reasons for well intervention
• Methods of well servicing (wireline/coil tubing/snubbing)
• Understanding fluids and pressure
• Production well kill methods
• Preparation
• Bull heading, reverse circulation, lubricate and bleed, work string deployed
• Pressure control equipment and operating procedures
• Well Service Operations (rig-up, pressure testing)
• Barrier theory for well servicing (types and classification)
• Wellhead equipment
• Failures and effects (wireline/coil tubing/snubbing)
• Reverse circulation well kill simulation and testing
• Hydrates (formation, prevention, removal)

By the end of this training course, participants will be able to:

• Comply with the well integrity requirements
• Know the safety barrier principles
• Understand the behavior of a producing well
• Learn the equipment of a completion
• Apply the methods used to control well pressure
• Learn procedures and equipment used in wireline, coiled tubing, snubbing, work-over

Personnel concerned with well intervention operations (wire-line, coiled tubing, snubbing, workover): engineers, supervisors and operators who have to plan, supervise or carry out well intervention operations

Principles & Well Fundamentals

• Type of well effluents (heavy oil, oil, gas)
• Hydrostatic and hydrodynamic pressures
• Fracture Pressure
• Specific gravities, densities, pressure gradient
• Primary Well Control
• Secondary Well Control
• Over-balance/under-balance
• Pore pressure, frac pressure
• Pressure Control Equipment
  
  

Completion Operations: Principles, Procedures and Equipment

• Overview of Completions Operations
• Introduction to Well Control
• Introductions to Barriers
• Risk Management
• Circulating Systems
• Testing and Well Integrity Testing
• Shut in Procedures
• Well Control Methods: Kill method principles
• Bullheading
• Lubricate and Bleed Method
• Well integrity testing
• Influx characteristics and behavior
• Shut-in procedures Contingency Planning (Recognition of Problems and First Actions, Pressure Gauge Failure, Surface Failures, Hydrate Formation, The Effects of Bottom Hole Pressure, Blockage in the Well)
• Blowout Preventers
• Completions Equipment
• Annulus Pressure Monitoring
  
  

Pressure Control Applied To Completion & Well Intervention

• Safety barriers, pressure tests
• Well calculation (pressure, volume, kill fluid, pumping time, balancing the pressure at the depth of the circulating device …)
• Shut in procedures
• Kill methods (direct or reverse circulation, bull heading, lubricate and bleed…)
• Specific problems linked to producing wells (losses, plugging, migration, hydrates, H2S and CO2 …)
• Responsibilities, decision making
  
  

   Completion Equipment

• Different types of completion
• Downhole equipment as: Packers, Safety valves SCSSSV, nipples, side pocket mandrels, tubing (sizes, grades and connections), Xmas tree, …

• Blow Out preventers WEQA
• Completion equipment WEQG
• Annulus pressure monitoring
  
  

Wire Line Intervention 

• Safety barriers and specific equipment
• Rigging up and pressure tests surface pressure control equipment
• Slick line: specific equipment (BOP, Lubricator, Stuffing box, cable cutter valve, …)
• Braided line, e-line: specific equipment (twin BOP, Grease injection system, Pack-off system, Tool trap, Tool catcher, …)
• Problems during the interventions, interpretation and decision (Shut-In)
  
  

Coiled Tubing 

• Barriers and specific equipment (strippers, BOP, …)
• Rigging up and pressure tests surface pressure control equipment
• Problems during the interventions, interpretation and decision (shut in)
• Testing
• Barrier Principles
• Contingency Procedures
• Shut in Procedures
  
  

Snubbing 

• Barriers and specific equipment (Strippers, BOP, stripping rams, safety rams, …)
• Rigging up and pressure tests surface pressure control equipment
• Problems during the interventions, interpretation and decision (shut in)
• Testing
• Barrier Principles
• Contingency Procedures

• Shut in Procedures
• Operating Procedures
  
  

Wireline Operations

• Pressure Control Equipment
• Rigging Up
• Testing
• Barrier Principles
• Managing a Leak or Malfunction on Surface
• Contingency Procedures
• Critical Operating Procedures

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