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IWCF-Well Intervention Pressure Control Training – Course Major Topics


The course provides an understanding of pressure control methods related to well-servicing methods and equipment. The following certification options are provided:

  • Completion Operations (compulsory)
  • Completion Equipment (compulsory)
  • Coiled Tubing Operations (optional)
  • Wireline Operations (optional)
  • Snubbing Operations (optional)

Course participants must attempt both compulsory and one or more optional components in a combined certification programme. To obtain a combined certificate, participants must pass each component they have been nominated for. Furthermore, participants may choose to sit the IWCF assessment examination as either Level 3 (Operator) or Level 4 (Supervisor) in one, two or three equipment categories (wireline, snubbing and / or coil tubing). The IWCF certificate is endorsed with the achieved assessment. The course is led by instructors with extensive experience in well services and is delivered through Classroom / Online  theories, case studies, group discussion as well as practical simulator exercises.

Course Objectives

The IWCF Well Intervention Pressure Control level 3 & 4 course is designed for operators and supervisors and provides the knowledge and skills necessary to effectively and safely control a well during well intervention operations. The IWCF Certification in Norway is a government imposed certificate for leading well service personnel and must be renewed every two years. The Course is suitable for Drillers / Drilling Supervisors / Well Service Supervisors / Well Intervention Supervisors and Senior Operators and Equipment Operators.

Course Major Topics:


  • Pressure control incidents during well intervention
    • Well integrity requirements
    • Annulus pressure monitoring during well intervention operations
    • Maximum Allowable Annulus Surface Pressure (MAASP)
    • Risk management, main principles and implementation
    • Management of change process
    • Well control drills as a part of well control
    • Well control training and assessment, importance for pressure
    • control during well intervention operations
    • Well handover, well barrier integrity confirming
  • Introduction to well control
    • Hydrostatic pressure, calculations
    • Calculation of pressure and volumes
    • Tubing and annulus pressures
  • Formation pressure, normal, abnormal, subnormal, Formation of injectivity pressure (LOT)
    • Fracture pressure, its influence on well integrity
    • Primary well control, comparison of drilling and well intervention
    • Secondary well control
    • Pressure and volumes handout
  • Barrier philosophy in well intervention operations
    • Barrier envelope and barrier elements
    • Primary and secondary barriers
    • Barrier management
    • Blowout preventers and shearing devices
    • BOP elastomers
  • Verification of barriers
    • Testing of barriers, procedures, documentation
    • Inflow testing
    • Equipment integrity testing
    • Barriers handout
  • Well completion methods and equipment
    • Xmas Trees
    • Wellhead and tubing hanger


  • Tubing, materials, movement and its consequences
    • The use of flow couplings
    • Subsurface safety valves and annular safety valves
    • The use of side pocket mandrels (gas lift, circulation)
    • Sliding sleeves, circulation and flow control devices
  • Packers, polished bore receptacle (PBR) and extra long tubing seal receptacle (ELTSR) Landing nipples and plugs Types of wireline entry guides (WEGs), their use Completion equipment handout
  • Different types of influx Gas laws
    • Gas migration up a well and its influence on surface and well bore pressures
    • Well shut-in, principles and procedures
    • Shut-in tubing pressure and shut-in casing pressure
    • Pressure gauge limitations and problems

and Much More……………..

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