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
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