IWCF Well Intervention Coiled Tubing Level 4

Course Outline

• Homework revision
• Application CT When coiled tubing is used
• Equipment CT The coiled tubing equipment in different operating environments
• PRESSURE CONTROL Surface PCE Stack CT PCE required for coiled tubing operations
• Primary Barrier Elements CT Primary barrier elements (strippers) used during coiled tubing operations
• Primary Barrier Elements CT Coiled tubing primary barrier sealing elements (strippers) and how to operate them correctly
• Primary Barrier Elements CT Primary barrier element integrity during coiled tubing operations
• Secondary Barrier Elements – BOPs (Ram Type Preventers) CT Secondary barrier elements (coiled tubing BOPs) used during coiled tubing operations
• Secondary Barrier Elements – BOPs (Ram Type Preventers) CT BOP ram configurations for different coiled tubing operations
• Secondary Barrier Elements – BOPs (Ram Type Preventers) CT How to operate secondary barrier elements (coiled tubing BOPs)
• Shearing Devices CT Coiled tubing shearing devices
• Other Well Control Devices CT Downhole check valves (back pressure valves) in a Bottom Hole Assembly (BHA) during coiled tubing operations
• PRESSURE CONTROL (BARRIER ELEMENTS AND ENVELOPES) PRINCIPLES CT Grouping barrier elements into barrier envelopes during coiled tubing operations
• Other operations - PCE Stack CT A coiled tubing pressurised deployment system
• Other operations - PCE Stack CT Annular preventer use during coiled tubing operations
• Safely repair or replace a failed primary barrier element CT Maintaining a double barrier when changing a coiled tubing stripper rubber during intervention operations
• Safely repair or replace a failed primary barrier element CT Secondary barrier elements and envelopes for coiled tubing operations if a primary barrier element fails
• PCE Rig Up CT The equipment required for a safe and compatible coiled tubing PCE rig-up
• PCE Testing CT PCE pressure tests and function tests with coiled tubing in place
• WELL INTERVENTION OPERATIONS CT Operational Considerations (with well control consequences) CT The operational limits of coiled tubing
• Operational Considerations (with well control consequences) CT The forces on coiled tubing created by well pressure
• Controlled Well Shut in CT Coiled tubing shear ram equipment operating limits
• Controlled Well Shut in CT How to shut in the well quickly and safely with or without coiled tubing in the hole
• Loss of Pressure Control During Well Intervention Operations CT How to identify defects that could affect BOP function during a coiled tubing operation
• Loss of Pressure Control During Well Intervention Operations CT What to do if the power unit, injector head, tubing reel or control system fails during a coiled tubing operation
• Loss of Pressure Control During Well Intervention Operations CT What to do if the pumping or circulation system fails during a coiled tubing operation
• Loss of Pressure Control During Well Intervention Operations CT What to do if the coiled tubing leaks at surface
• Loss of Pressure Control During Well Intervention Operations CT What to do if there is an external leak between the safety head and the Xmas Tree while coiled tubing is below the Sub Surface Safety Valve (SSSV)
• Loss of Pressure Control During Well Intervention Operations CT What to do if the coiled tubing down hole check valves (back pressure valves) leak while in the hole during a coiled tubing operation
• Loss of Pressure Control During Well Intervention Operations CT What to do if the coiled tubing leaks below the stripper during a coiled tubing operation
• Loss of Pressure Control During Well Intervention Operations CT What to do if an alarm sounds when coiled tubing is in the well and you are required to muster in a safe area
• Loss of Pressure Control During Well Intervention Operations CT What to do if the coiled tubing breaks on surface or downhole during a coiled tubing operation
• Loss of Pressure Control During Well Intervention Operations CT What to do if there is a leak at the rotating joint during a coiled tubing operation
• Homework (multi-choice) exercises