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Basic Well Control - Drilling/Workover/ Well Completion/Well Servicing
(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
  6. Reasons for Well Workovers
    1. Reworking an Existing Reservoir to:
      1. Increase Production
      2. Control Cuts
      3. Sand Control
      4. Formation Damage
      5. Re-Complete in Same Reservoirs
    2. Complete a New Reservoir
    3. Complete Multiple Reservoirs
    4. Stimulation
    5. Repair Mechanical Problems
  7. Preparing a Well for Entry
    1. Use of Back-Pressure Valves
    2. Surface and Subsurface Systems
    3. Removal of Tree & Tubing Hanger
    4. N/U & Test BOP
  8. Killing a Producing Well
    1. Bullheading
    2. Lubricate & Bleed
    3. Coil-Tubing Units
    4. Snubbing Units

DAY 5

  1. Individual Problems Session
  2. Written Questions to Reinforce Material Covered
    1. Workover Simulator Hands Practice
    2. Pump in Pressures
    3. Circulating Pressures
    4. Lubricate and Bleed
    5. Bullheading
  3. Simulator Hands-On Practice
    1. Kill Sheet Preparation
    2. Slow Pump Pressure
    3. Shut-In Procedures
    4. Reverse Circulation Kill (Producing Well)
  4. Simulator Hands On Practice
    1. Kill Sheet Preparation
    2. Slow Pump Pressure
    3. Kick Detection
    4. Shut-In Procedure
    5. Killing a Flow During Workover & Completion Operations
  5. Review
  6. Written Exam (WO/WC Surface)
  7. Simulator Exam (WO/WC Surface)

DAY 6

  1. Well Servicing Instruction
    1. Killing a Producing Well
      1. Coil Tubing Unit
      2. Snubbing Unit
  2. Special Tools
    1. Automatic Shut-Down Systems
      1. Control Points
      2. Activator Pilots
      3. Monitor Pilots
      4. Control Manifolds
      5. Subsurface System
    2. Downhole Tools & Tubulars
      1. Tubing Hanger
      2. Back-Pressure Valve
      3. Landing Nipples
      4. Locking Mandrels
      5. Gas Lift Equipment
      6. Running & Pulling Tools
    3. Flow String System
      1. Tubing
      2. Mandrels and Nipples
      3. Flow Couplings
      4. Blast Joints
      5. Sliding Sleeves
    4. Pumpdown Equipment
      1. Purpose
      2. Applications
      3. Requirements
      4. Surface Circulation System
      5. Lubricators
      6. Entry Loops
      7. Tree Connection/Flange
  3. Shut-In Procedures
    1. BOP System
    2. Subsurface Safety System
  4. Nitrogen Operations
    1. Applications
    2. Properties
  5. MMS Regulations
    1. Subpart H – Emergency Shut Down Systems
    2. Subpart H – Production Safety Systems
  6. Snubbing Operations
    1. Types
      1. Rig Assist
      2. Stand Alone
    2. Applications
      1. Run & Pull Prod. Or Kill String
      2. Reset Weight on Packer
      3. Fishing
      4. Circ. Cement or Fluid
    3. Equipment
      1. Operating Mechanism
      2. Power Supply
      3. Control Assembly & Basket
      4. Slip Assembly
      5. Mast & Counterbalance Winch
      6. Access Window
    4. BOP Equipment
      1. Tree Connection or Flange
      2. Rams
      3. Spool
      4. Traveling Slips
      5. Manifolds
      6. Auxiliary (Safety Valve, Inside BOP)
      7. Maintenance
      8. Testing
  7. Snubbing Exam

DAY 7

  1. Coil-Tubing Operations
    1. Applications
      1. Initiating Flow
      2. Clean Out Operations
      3. Stimulation Operations
    2. Equipment Description
      1. Coil
      2. Tubing
      3. Reel
      4. Injection Head
      5. Control Assembly
      6. Injector Hoist
    3. BOP Equipment
      1. Tree Connection or Flange
      2. Rams
      3. Injector Assembly
      4. Circulating System
  2. Coil-Tubing Exam
  3. Wireline Operations
    1. Applications
    2. Equipment Description
    3. BOP Equipment
  4. Small-Tubing Operations
    1. Applications
      1. Stimulation Operations
      2. Clean Out Operations
      3. Plugback & Squeeze Cementing
    2. Equipment Description
      1. Derrick & Drawworks
      2. Small Tubing
      3. Pumps
      4. Weighted-Fluid Facilities
    3. Weighted-Fluids
    4. BOP Equipment
      1. Rams
      2. Wellhead Connection
      3. Check Valve
  5. Small-Tubing Exam


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