CBT Subsea Well Control
Training course on Techniques and procedures for well control during drilling on floating rigs.

Training course for: Driller and Supervisor

Main Index
1. PRESSURES
2. SHALLOW GAS
3. CAUSES OF KICKS
4. WELL SHUT-IN PROCEDURES
5. WELL CONTROL METHODS

MODULE 1: PRESSURES
- Hydrostatic pressure
- Fracture gradient
- Pressure losses in choke line
- Bottom hole pressure

MODULE 2. SHALLOW GAS
- Characteristics
- Methods for limiting the effects of shallow gas
- Drilling of top hole
- Use of diverter

MODULE 3. CAUSES OF KICKS
- Generality
- Drop of hydrostatic pressure in riser
- Incorrect re-entry of riser
- Formation of hydrates in kill or choke lines

MODULE 4. WELL SHUT-IN PROCEDURES
- Well shut-in with hang-off
- Well shut-in with pipes out of the hole
- Well shut-in with top drive
- Emergency procedure
- Closing diverter
- Crew drills

MODULE 5. WELL CONTROL METHODS
- Compensating for pressure loss
  in choke line when starting pump
- Entry of gas in choke line
- SICP reading with water in choke line
- Expulsion of gas trapped under BOP