OIL & GAS OPERATOR REPRESENTATIVE (OGOR) - WellSharp® Live

Formerly WellCap Workover/Well Servicing, this course is designed for those responsible for oversight, such as well site leaders, company man, etc. This course covers the coil tubing, snubbing, wireline, and workover operational processes of well control.

WORKOVER/INTERVENTION WELL CONTROL COURSE OUTLINE

Completion

• Design
• Fracturing
• Drilling plugs

Workover

• Operations
• Mechanical failures
• Reservoir issues
• Possible well control risks
• Risks compared to drilling operations
• Use of gases in fluids

Simulator Practice

• Demonstrate U-tube principles
• Visualize the well as a U-tube

Downhole

• Fluid gradient
• Hydrostatic pressure
• Formation pressure
• Surface pressures
• Bottom hole pressure, the status of well
• Well as a U-tube, fluid density
• Formation characteristics
• Formation damage
• MASP
• MACP
• MAFW

Influx Fundamentals

• Influx fluid types
• Kick detection
• Causes of kicks
• Pump rate to overcome gas migration rate
• Shut-in procedures
• Gas behavior

Barriers

• Barrier types
• Barrier classifications
• Barrier hierarchy
• Barrier envelope

Workover fluids

• Fluid properties
• Testing fluid properties
• Purpose of workover and completion fluids
• Fluid monitoring
• Solids settling
• Contaminants
• Brine characteristics
• Temperature effects
• Saturation point
• Environmental concerns
• Types of fluids

BOPs

• Annular
• Rams
• Locking devices
• Stack configurations
• HCR valves
• Accumulator system
• Driller panel
• BOP failures
• Ring gaskets
• Function tests
• Pressure tests

Simulator Practice

• Demonstrate accumulator system functions
• Remote control panels
• Loss of rig air to bop panel
• Manifolds and backup systems
  

Surface/Subsurface Equipment

• Surface and subsurface equipment
• Production tree
• Closing/opening sequence
• Tree/BOP removal
• Tubing hangers
• Wellhead bowls
• VRPs and BPVs
• Removable wellhead equipment
• Tubing degradation
• Testing downhole equipment

Downhole Complications

• Casing
• Equipment degradation and failure
• Stuck pipe
• Blockages
• Incorrect practices
• Human error
• Trapped pressure
• Fluid complications
• Wellbore communication
• Bacteria
• Gases

Simulator Practice

• Demonstrate the risk of over-displacement
• Bullhead operation simulation
  

Circulating Well Kill Methods

• Downhole communication
• Friction
• Pump pressure
• ECD
• Reverse circulation
• Forward circulation
• Lag time
• Complications during kill

Simulator Practice

• Demonstrate proper pump start-up and shut down procedure
• Reverse circulation simulation
• Interpret pressures on gauges
  

Simulator Practice

• Demonstrate proper pump start-up and shut down procedure
• Forward circulation simulation
• Interpret pressures on gauges
  

Volumetric and Lubricate and Bleed

• Procedures for volumetric method
• Procedures for lubricate and bleed
• Safety margins
• Advantages and disadvantages of methods

Simulator Practice

• Practice volumetric method
• Lubricate and bleed

Stripping

• Importance of using a pressure chart during operation
• Pipe light
• Pipe heavy
• Force relative to area and pressure
• Buoyancy factor
• Operational considerations
  

Simulator Practice

• Demonstrate valve lineups to trip tank
• Stripping operation simulation

Well Servicing: Snubbing

• Live well vs. dead well operations
• Types of snubbing units
• Snubbing well control equipment
• Snubbing complications

Well Servicing: Coiled Tubing

• Coiled tubing units
• Coiled tubing well control equipment
• Complications with coiled tubing
• Emergency operations with coiled tubing

Well Servicing: Wireline

• Wireline units
• Wireline operations
• Wireline well control equipment

Unconventional Well Control

• Pill and kill
• Top kill
• Rolling the hole
• Responding to complications during well kill operations

Crew Responsibilities

• Teamwork
• Pre-job planning
• Importance of good handover notes
• Well control drills
• Organizing well control operations
• Locations of documentation
• Emergency response plan
• Roles and responsibilities of the crew during well control
  operations