Description

Designed for you, if you are...

• A petroleum engineer
• A production engineer or manager
• A development geologist
• A field engineer or manager
• Oil field technical staff

How we build your confidence

• The course will be presented using properly designed slides, some with animation and several videos on relevant issues
• Teaching methods also include calculations on related issues.
• Several examples of actual Stimulation Programs will be presented.
• Daily Recap sessions with questionnaires related to the program of the previous day.

The benefits from attending

• Designing a stimulation job
• Skin damage monitoring
• Selection of additives
• Main parameters and KPI’s for a successful stimulation operation
• Coiled Tubing and Stimulation

Topics

• Introduction to acidizing
• Acidizing of carbonates and sandstones
• Acid fracking overview
• Damage caused by well operations
• Well candidate selection process (overview)
• Why there are failures in acidizing?
• Acid treatment design overview
• Types of damage
• Monitoring the acid backflow
• HCL acid by-products
• Capturing data, before, during and after the job
• Acid reactions with OBM (Oil Base Mud)
• Emulsions

Day 2

• Formation damage and other considerations
• Formation damage mechanisms
• Matrix acidizing
• Sandstone versus carbonate acidizing
• Typical treatment execution
• Fracture acidizing
• Proppant fracturing versus fracturing
• Economic impacts of well stimulation: Acid types / reactions / methods
  
• Fluid injectivity on test core
• Types of acid
• Acid formulations
• Organic acids
• Acid dispersion
• Viscosified acid
• Acid emulsions
• VES acid
• Acid definition in chemistry
• Strong acids
• VES-HCL: gelling and breaking
• HCL reactions with carbonates
• HCL / HF acids

Day 3

• Acid reactions
• Rates of reaction
• Carbonate acidizing
• Sandstone acidizing
• Binary acids
• Dissolving power of acids
• Molecular weights
• Treatment evaluation
• Post-job procedure
• Pressure response during acid treatment
• On-site evaluation of treatment effectiveness
• The Paccaloni technique
• On job charts for job monitoring
• Recording of a stimulation job
• Pressure build-up analysis before and after acidizing

Day4

• No acidification without Coiled Tubing
• Coiled Tubing conveyance and intervention methods
• Main components of CT equipment
• Downhole well tractor
• CT insertion and removal under pressure
• High displacement rates in formation with high permeability without limitation in CT friction pressures
• Wireline and CT intervention methods
• Fishing with CT
• Main fishing tools
• Job design data for fishing operations
• Well Plug & Abandonment
• Emergency procedure in case of CT failure