ICTD International Centre for Training and Development

Advanced Well Completion Engineering Technology

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About the course

This 5-day course is aimed at petroleum, production and operation engineers who wish to gain an insight into some of the more advanced aspects of completion design. It will be run on a workshop style basis where the attendees will have the opportunity to select from the subjects listed below.

The course presumes a general engineering or scientific background. It requires some basic knowledge of completion and production technology. It combines a review of the fundamental concepts of the subjects covered together with their practical application.

Course Objectives

Upon successful completion of this course, the delegates will be able to:

  • Understand the well performance inflow & outflow, coiled tubing and downhole oil/water separation
  • Perform the selection of Artificial Lift Techniques
  • Familiarize in gas lift and formation damage
  • Deal with Acidising Matrix Acidising Treatments and conformance control
  • Deal with optimizaion of hydraulic fracturing

Course Outline

Day 1

Well Performance

  • Refresher
  • Inflow & Outflow Performance
  • Completions Inflow Performance
  • Computerised Well Performance Prediction Computer Programs
  • Well Performance Sensitivities
  • Perforating & Advanced Perforating
  • Smart Wells: Applications and Case Histories
  • Coiled Tubing Completion Strings
  • Downhole Oil/Water Separation: Technology & Economic modelling

Day 2

Selection of Artificial Lift Techniques

  • Rod Pump
  • Basic equipment design
  • Operating practices
  • Electrical Submersible Pumps
  • Basic equipment design
  • Components
  • Operating Practices
  • New applications
  • Hydraulic Pumps
  • Basic equipment design
  • Progressive Cavity Pumps
  • Basic equipment design

Day 3

Gas Lift

  • Introduction
  • Application
  • Design Objectives
  • The Unloading Process
  • Side Pocket Mandrels
  • Gas Lift Valve Mechanics
  • Gas Lift Design
  • Operational Problems
  • Gas Lifted Field Optimisation
  • Intermittent Gas Lift
  • New Technology

Formation Damage

  • Concept of Skin
  • Sources of Skin
  • The many Formation Damage Sources and the technique used to reduce its impact on well impairment
  • Formation Damage during Workovers
  • Prevention

Day 4

Matrix Acidising Treatments

  • Well stimulation Economics
  • Well Candidate Selection
  • Design of Matrix Stimulation treatment parameters
  • Acid Formulations, Volumes, Rates, Additives, Treatment type, Diversion, etc.
  • Matrix Stimulation Campaign Case Histories
  • Stimulation of Carbonate Formations
  • Acidising Special Well Types
  • Coiled Tubing Jetting
  • Coiled Tubing Stimulations

Conformance Control

  • Sources of "bad" water
  • Matrix and Fracture shut-off treatments

Day 5

Hydraulic Fracturing

  • Candidate Selection Guidelines
  • Fractured Well Inflow Performance
  • The Propped Hydraulic Fracturing treatment
  • Rock Mechnical Issues important to Hydraulic Fracturing
  • Fracture Fluid & Proppant Selection
  • Optimisation of Hydraulic Fracture Dimensions
  • Tip Screen out Fracturing

Unstable Formations and Sand Control

  • Types of Sand Production
  • Fill Removal with Coiled Tubing
  • Prediction of Sand Failure
  • Cost of Sand Control
  • Sand Exclusion Techniques
  • Detailed description of Gravel Packing Technology
  • Chemical Sand Control
  • Sand Control Installation using Coiled Tubing
  • New Technology

Coiled Tubing

  • Technology
  • Well Unloading and kick-off
  • Drilling
  • Cementing
  • Electric Line Applications

Course Methodology

A variety of methodologies will be used during the course that includes:

  • (30%) Based on Case Studies
  • (30%) Techniques
  • (30%) Role Play
  • (10%) Concepts
  • Pre-test and Post-test
  • Variety of Learning Methods
  • Lectures
  • Case Studies and Self Questionaires
  • Group Work
  • Discussion
  • Presentation

Who should attend

This course is intended to all Engineers (both Operating and Service Company personnel) who are already familiar with the basic completion processes, but have a need to extend their area of understanding to cover more advanced aspects; but who cannot justify attending a number of separate courses which are often targeted at teaching specific software. It would thus also suit Production Staff, Engineers from disciplines other than Production Technology etc.

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