Petroleum College International/Petroleum Training International TechTran International
General Info Courses Simulator Request Info Kill Sheet Image Gallery Links Customer List Home
Basic Well Control - Drilling

(Surface 3-1/2 days, Subsea 4 days)

DAY 1
  1. Introduction
    1. Introduction to Course & Facilities
    2. Importance of Well Control
      1. Definition of Kick and Blowout
      2. Possible Costs of a Blowout
      3. Well Control Philosophy
  2. Well Control Basics
    1. Basic Concepts
      1. Hydrostatic Pressure
      2. Formation Pressure
      3. Overburden Pressure
      4. Fracture Pressure
      5. Bottom-Hole Pressure
      6. Pump Pressure
      7. Surge and Swab Pressure
      8. Shut-In Drill Pipe Pressure
      9. Shut-In Casing Pressure
    2. Basic Calculations
      1. Capacity
      2. Displacement
      3. Pump Outputs
      4. Fluid Weight Up
      5. Others
  3. Causes of Kicks
    1. Failure to Keep the Hole Full
    2. Swabbing
    3. Lost Circulation
    4. Insufficient Density of Fluid
    5. Abnormal Pressure
    6. Trip in Hole Too Fast
  4. Kick Warning
    1. Pit Gain
    2. Increase in Flow Rate
    3. Improper Fill on Trips
    4. Drilling Rate Change
    5. Decrease in Circulating Pressure
    6. Increase in Stroke Rate
    7. Mud Gas Content Change
    8. Gas Cut Mud
    9. Water Cut or Chlorides Change
    10. Sloughing Shale
    11. Well Flows with Pumps
    12. Change in Mud Properties
  5. Shut-In Procedures
    1. BOP, Choke, Diverter Controls
    2. Shut – In While Drilling
    3. Shut – In While Tripping
  6. Well Kill Procedures
    1. Drillers Method
    2. Wait & Weight Method
    3. Concurrent Method
    4. Reverse Circulation (Short Way)
  7. Killsheet Basic and Usage
    1. Taking Readings
    2. Strokes to Bit
    3. Kill Weight Mud
    4. Initial Circulating Pressure
    5. Final Circulating Pressure
    6. Decline Schedule
    7. Practice Problem
  8. Simulator Hands-On Practice
    1. Slow Pump Pressure
    2. Kick Detection
    3. Shut-In Procedures
    4. Basic Kill Operation
  9. Individual Problems Session
    1. Written Question to Reinforce Material Covered

DAY 2

  1. Review Session
  2. Well Control Instruction
    1. Equivalent Mud Weights
    2. Decline Schedules
    3. Friction Losses
    4. Casing Burst
  3. Well Control Mechanics
    1. Gas Bubble Migration
    2. Bleed Volumes for Gas Migration
    3. Excessive Annular Surface Pressure
    4. Gas/Oil/Water Kick Difference
  4. Abnormal Pressure Detection
    1. Geology & Development of Abnormal Pressure
    2. Penetration Rate Change
    3. Shale Density Change
    4. Mud Chloride Change
    5. Shale Cuttings Change
    6. Mud Gas Content Changes
  5. Simulator Hand-On Practice
    1. Kill Sheet Preparation
    2. Slow Pump Pressure
    3. Kick Detection
    4. Shut-In Procedures
    5. Advanced Kill Operation
  6. Individual Problems Session
    1. Basic Calculations
    2. Equivalent Mud Weights
    3. Casing Seat Tests
    4. Casing Burst Limitations
    5. Kill Sheet Calculations
    6. Kill Operation Procedures


DAY 3

  1. Review
  2. Drilling Fluids
    1. Density
    2. Viscosity
    3. Fluid Loss
    4. Salinity
    5. Gas-Cutting
    6. Mud Weight-Up
  3. Completion and Workover Fluids
    1. Functions of Fluids
      1. Well Control
      2. Cleaning Out a Well
      3. Plugging Back
      4. Bridging Agents
    2. Fluid Types
      1. Gases
      2. Water Base
      3. Oil Base
      4. Packer Fluids
    3. Fluid Properties
      1. Density & Temperature Offset
      2. Viscosity
      3. Density Increase
      4. Gas Cutting
      5. Fluid Loss
      6. Salinity
      7. Solids Content
      8. Gel Strength
      9. Crystallization
      10. Caustic Effect
  4. Shallow Gas Control
    1. Control of Shallow Gas Kicks
    2. Diverters
  5. Unusual Operations
    1. Drill Pipe is Off Bottom
    2. Drill Pipe is Out of Hole
    3. Lost Circulation
    4. Plugged Drillpipe
    5. Excessive Casing Pressure
    6. Hole In Drillpipe
    7. Special Techniques for Plugs
    8. Lost Circulation and Kill
    9. H2S Kicks
    10. Kicks During Snubbing, Coil-Tubing, & Small Tubing Operation
    11. Multiple Completions in Hole
    12. Hole in Casing String
    13. Strip & Snub In/Out of Hole Under Pressure
    14. Simultaneous Drilling, Workover, & Production Operations
    15. Running A Drill-Stem Test
    16. Perforating
  6. MMS Regulations and Worksheet
    1. Subpart D – Drilling Operations
    2. Subpart G – Plug & Abandonment
    3. Subpart C – Pollution & Disposal
    4. Subpart E & F – Completions & Workovers
  7. Well Control Equipment
    1. BOP & Diverter Equipment
      1. Installation
      2. Operation
      3. Maintenance
      4. Testing
    2. Equipment Limits, Pressure/Wear Instruction
    3. Auxiliary Equipment
      1. Pit Level Indicator
      2. Mud-Volume Measuring Device
      3. Mud-Return Indicator
      4. Gas Detector
      5. Trip Tank
      6. Mud-Gas Separator
      7. Degasser
      8. Adjustable Choke
    4. Closing Units
      1. Sizing and Maintenance
      2. Precharge Pressure
      3. Operating Pressure
      4. Usable Fluid Volumes
      5. Required Fluid Volumes
      6. Fluid Pumps
      7. Charging Fluid Maintenance & Inspection Procedures
    5. Other Well Control Equipment
      1. Surface Equipment
      2. Downhole Tools & Tubulars
      3. Packers
  8. Supervision of Kill Operation, Organizing & Directing Kill
  9. Individual Problem Session

    Written Questions to Reinforce Material Covered

DAY 4

  1. Review Session
  2. Written Exam ( Drilling Surface)
  3. Simulator Exam ( Drilling Surface)
  4. Special Subsea Considerations
    1. Choke Line Friction Determinations
    2. Use of Marine Risers
    3. Riser Collapse
    4. Gas in Top of BOP Stack
    5. U-Tube Effect as Gas Hits the Choke Line
  5. Subsea Exam
    1. Kill Sheet Preparation
    2. Simulator Exam
    3. Written Exam