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IWCF Well Intervention Snubbing Level 2

Course Outline

  • Homework revision
  • Application SN When snubbing is used
  • Equipment SN The snubbing equipment in different operating environments
  • Surface PCE Stack SN PCE required for snubbing operations
  • Primary Barrier Elements SN Primary barrier elements used during snubbing operations
  • Primary Barrier Elements SN Primary barrier element integrity during snubbing operations
  • Secondary Barrier Elements – BOPs (Ram Type Preventers) SN Secondary barrier elements (snubbing BOPs) used during snubbing operations
  • Secondary Barrier Elements – BOPs (Ram Type Preventers) SN BOP ram configurations for different snubbing operations
  • Shearing Devices SN Snubbing shearing devices
  • PRESSURE CONTROL (BARRIER ELEMENTS and ENVELOPES) PRINCIPLES SN Grouping barrier elements into barrier envelopes during snubbing operations
  • Safely repair or replace failed primary barrier element SN The reasons for changing worn elastomers and temporary suspension of Work
  • Safely repair or replace failed primary barrier element SN Secondary barrier elements and envelopes for snubbing if a primary barrier element fails
  • Safely repair or replace failed primary barrier element SN Maintaining a double barrier when changing the annular element during intervention
  • Operational Considerations (with well control consequences) SN The forces on the workstring created by well pressure
  • Operational Considerations (with well control consequences) SN Snubbing pipe in and out of a live well (with square collars/ram to ram)
  • Controlled Well Shut in SN How to shut in the well quickly and safely with or without work-string in the hole.
  • Snubbing Shear Ram Equipment Operating Limit Explain how running different types of tool string through the shearing device can affect its shearing capability
  • Homework (multi-choices) exercises

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