WORKOVER - WellSharp® Live

Formerly WellCap Workover, this WellSharp® course is designed for individuals primarily responsible for workover operational processes of well control.

Workover Course Outline IADC WellCAP

Orientation

• Rapid Fire Competition
• Case History Stages
• Well Control Training Approach
• Situational Awareness

Completion & Workover

• Completion Design
• Workover
• Mechanical Failure
• Clean Out and Workover Operations
• Features of Workover
• Workover Operations
• Well Control: Drilling vs. Workover
  

Pressure Basics

• Hydrostatic Pressure
• Understanding Depths
• Bottomhole Hydrostatic Pressure
• Formation Pressure
• Relationship Between BHP and FP
• Sucker Rod Pump Retrieval
• Rod Pump Retrieval: A Quick Turnaround
• Rod String Retrieval
• Casing, Packer or Tubing Leaks
• Formation Damage/Low Permeability
• Countering Liquid Hold Up or Gas Slip
• Excess Water/Gas Production
• Controlling Sand and Other Fill/Debris
  

Barriers

• Barrier Classification
• Barriers: Production Tree
• Production Tree
• Subsurface Safety Valves (SSSVs)
• Operating the Simulator: Choke Console
• Operating the Simulator: Drillers Console
• Well Control Safety Meeting
• Pressure Bleed-Down Exercise
• Drawing Conclusions
  

The Bullhead Method

• Calculate Fluid Gradient
• Calculating Hydrostatic Pressure
• Calculating Kill Weight Fluid
• Calculating Formation Pressure
• Fluids
• Water-Based Fluids
• Calculating Volume for Bullheading
• Calculating Strokes for Bullheading
• Backpressure
• Calculating Volume on Backside
• Calculating Tank Volume
• Plotting the Kill
• Bullheading Breakover
• Graph Paper
• Pressure Limits & the Killsheet
• Well Control Safety Meeting
• Bullhead Exercise
• Drawing Conclusions
  

Bullhead Killsheet

• Preparing for the Killsheet
• Well Control Safety Meeting
• Bullhead w/ Killsheet Exercise
• Drawing Conclusions

Downhole Complications

• Packers
• Permanent Packers
• Retrievable Packers
• Well Control Safety Meeting
• Identifying Complications Exercise
• Drawing Conclusions
• Unconventional Well Control Techniques
  

Reverse Circulation

• The Well as a U-Tube
• Circulating Pressures
• Circulation and Bottomhole Pressure
• ECD
• Downhole Communication
• Reverse Circulation Method
• Well Control Safety Meeting
• Reverse Circulation Exercise
• Drawing Conclusions
  

Influxes

• Causes of Influxes
• Understanding Warning Signs
• Warning Signs
• Consequences of Not Responding
• Blowout
• Reacting to an Influx
• BOPs: Annular and Rams
• Accumulators
• Full Opening Safety Valve (FOSV)
• Well Control Safety Meeting
• Reverse Circulation 2 Exercise
• Drawing Conclusions
  

Forward Circulation

• Choke Adjustments and Lag Time
• Well Control Safety Meeting
• Forward Circulation Exercise
• Drawing Conclusions
  

Lubricate & Bleed Well Control Method

• Lubricate & Bleed Method
• Well Control Safety Meeting
• Lube & Bleed Exercise
• Drawing Conclusions
  

End-Of-The-Day Considerations

• Force and Area
• Buoyancy Factor

Practical Applications: Multiple Wells with Influxes

• Review
• Well Control Safety Meeting
• Multiple Influx Exercise
• Drawing Conclusions
  

Complications

• Stuck Pipe: Packoff
• Stuck Pipe: Mechanical
• Industry Practices
  − Barriers
  − Accumulators
  − Function Tests
  − Pressure Tests
  − BOP Tests

Coiled Tubing

• CT Operations
• Washing Sand and/or Fill
• Tubing ScaleRemoval
• Remedial Cement
• Drilling Plugs
• Thru-Tubing Fishing
• Setting/Retrieving BridgePlugs
• Reservoir Stimulation
• Siphon String Installation
• Formation and Drilling Data Acquisition
• Perforating With Coiled Tubing
• Other Coiled TubingOperations
• Various Coiled TubingUnits
• Path of Coiled TubingDownhole
• Coiled TubingReels
  
• Reel Drum
• Gooseneck
• Gooseneck or Tubing GuideArch
• Tension
• Tubing Injector Head
• Inside Tensioners
• Stripper Assembly (orABOP)
• Strippers
• Ram BOPs
• Stacks
• Causes of CT failure
• Pitting, Tension, Buckling, Abrasions
• Injector Induced Damages
• Ballooning, Necking, Ovality
• Reel Log
• Emergency Response
  

Snubbing

• Equipment Selection Considerations
• Snubbing vs Stripping