Managed Pressure Drilling (MPD) Training

• MANAGED PRESSURE DRILLING OVERVIEW
o Definitions of conventional, underbalanced drilling and managed pressure drilling

• SIMILARITIES AND CONTRASTS BETWEEN CONVENTIONAL DRILLING AND MANAGED PRESSURE DRILLING
o Similarities
 BOP stack
 Control of well at all times
 Health, Safety & Environmental Issues
 Overbalanced at all times
 Barrier verification
 Secondary Barrier is the same
o Differences
 Primary barrier changed
 Additional equipment, personnel and procedures

• VARIANTS OF MANAGED PRESSURE DRILLING
o Examples of MPD Variations

• PRESSURE RELATIONSHIPS FOR MANAGED PRESSURE DRILLING TECHNIQUES
o Dynamic (equivalent circulating density) vs. static in MPD
o Choke Control and Surface Pressure
o Bottom hole Pressure
o Pressure Window

• MANAGED PRESSURE DRILLING EQUIPMENT AND RIG UP
o Rotating Control Device (RCD)
o Rig Interfaces
o Separation equipment
o Choke manifold
o Returns Flow Meter
o Automation and Computer Control
o Drillstring floats
o Continuous Circulation Equipment
o Pressure Sensors, Gauges, and data acquisition
o Auxiliary Pump
o Gas Injection Equipment

• BOTTOMHOLE PRESSURE CONTROL
o MPD Operational Matrix
o Anchor Point (Point of Constant Pressure)
o Influxes
o Losses

• MANAGED PRESSURE DRILLING PROCEDURES
o Tripping in hole.
o Tripping out of hole
o Making a connection
o Drilling
o RCD Element Replacement
o Casing/Liner Running and Cementing
o Commissioning and Fingerprinting
o Contingency Procedures

• HEALTH, SAFETY AND ENVIRONMENT AND REGULATION
o Trapped pressure issues
o Corrosion and erosion
o Pressure Testing

• HAZID/HAZOP/MOC
o Bridging Documents
o Communication
o QHSE Planning