Course description
Awareness is the key to prevention!
Snubbing/Hydraulic Workover Units (HWO) are used for Snubbing operations or dead well intervention. Snubbing is the process of stripping pipe into a well which has a surface pressure high enough to eject the pipe if no restraining force is applied; this condition is termed Pipe Light. Stripping is the term used for moving pipe through a closed BOP into or out of the well. In practice, snubbing has become the term for all operations conducted using Snubbing units and HWO equipment.
HWO units are often used instead of conventional drilling or work over rigs for dead well intervention operations, they are cheaper and easier to mobilize than a rig.
Snubbing is performed by introducing an internally plugged pipe into a live well using BOP’s to obtain an external seal around the pipe. The pipe is filled with fluid during RIH to prevent pipe collapse. The top of the pipe is run open ended.
In less than seven hours, this course helps provide a basis for developing a culture of safety and well control among the operational workforce whilst performing their duties.
Upcoming start dates
Suitability - Who should attend?
Who the Course is for
This snubbing online training course is designed for those involved in the production optimization and well intervention operations:
- Production Technologists
- Production Engineers
- Operations Engineers
- Field Technicians
- Reservoir Engineers
- Well site managers
- Snubbing supervisor
Outcome / Qualification etc.
By taking this course, you’ll be able to:
- Manage and execute HWO and snubbing interventions
- Increase overall operational performance during snubbing interventions
- Select the most commonly used downhole tools and explain their function
- Work safely around a snubbing unit
- The average time needed to complete the course is seven hours and the minimum pass mark for the exam is 70% and is valid for 2 years.
Training Course Content
- Snubbing
- Snubbing and Hydraulic Workover Units
- History of Snubbing Units
- Long and Short Stroke Units
- Surface Equipment
- Hydraulic Jack
- Guide Tubes, Work Window and Slips
- Rotary Table, Work Basket and the Counterbalance
- Power Pack, Power Tongs and Additional Equipment
- Blowout Preventer Configuration
- Primary Functions
- Procedures
- Pressure Control Equipment
- Stripper Bowl and the Annular Bop
- Stripping Bop’s, Stripping Ram Seals, Safety Rams (Pipe Ram) and Blind / Shear Rams
- Shear Seal, Snubbing Back Pressure Valves (Bpvs’), Nipple Profile and Spacer Spool
- Equalizing Loop, Bleed Offline and Came
- Barrier Philosophy (Snubbing)
- Back Pressure Valve, the Pump Down Plug and Nipple and Tertiary Well Control
- Stabbing Valve, Full Opening Safety Valve and the Inside Bop
- Surface Lines and Manifolds
- Operations
- Pre Job Checks and Safety Procedures
- Calculation of the Balance Point
- Crossing the Balance Point
- Pulling Out of Hole, Job Suspension, Esd Systems and Dry Gas Wells
- Bop Sealing Element Leak
- Check Valve Failure and Tubing Pinhole
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