Advanced Completion And Workovers GeoModes course
code: H1

Advanced Completion and Workovers

format: Virtual course
duration: 6 days
level: Advanced
accreditation: CPD




In today’s low oil price climate, more and more operators decide to work on existing producing wells rather than drill expensive new wells. At this course, participants will come away with an understanding of the significant decision areas in well workovers and interventions. Particular emphasis is given to well diagnosis, water control, acidizing, squeeze cementing, wireline techniques, concentric tubing, perforating, well control, and completion fluids.

The course is designed for:

  • Completion engineers
  • Production engineers
  • Reservoir engineers
  • Drilling engineers
  • Field supervisors
  • Production foremen
  • Engineering technicians

Learning objectives

  • Identify and Select Problem Wells
  • Prepare proposals for workovers/interventions
  • Prepare work AFE and Budget
  • Select proper kill fluids
  • Know about unloading techniques with examples
  • Use logging tools to identify well problems
  • Understand the use and functions of coiled tubing, snubbing unit, and wireline
  • Prepare programs and well diagrams
  • Evaluate and compare mechanical or chemical interventions
  • Decide and prepare for Plug and Abandonment

Course Outline

  • Problem Well Analysis
  • Decision Making
  • Cost Analysis, Budgeting, and Reporting
  • Perforating – Reperforating
  • Stimulation Diversion techniques
  • Squeeze Cementing
  • Completion & Workover Fluids
  • Blowout Prevention Barriers
  • Rig Systems, including Wireline and Coiled Tubing
  • Well Reservoir Concepts affecting well production

Day 1

  • Introduction to Well Completions
  • Types of Well Completions
  • Tubing & Tubing Connections
  • Packers
  • Completions Accessories
  • Well Cementing
  • Primary Cementing
  • Remedial Cementing
  • Cement bond logs

Day 2

  • Perforating & Well Control
  • Perforating
  • Well Control
  • Sand Control & Sand Management
  • Sand Control Completions
  • Sand Management

Day 3

  • Modern Intelligent Completions
  • Multilateral Completions
  • Smart Completions
  • Comparison between active and passive control
  • Slim Wells and Slickline Interventions
  • Slim Wells
  • Slim Well Repairs
  • CT Completions
  • Slickline Well Interventions

Day 4

  • Well Integrity
  • Introduction to Well Integrity
  • Production Logging
  • Corrosion
  • Horizontal Wells
  • Horizontal Well Completions
  • Horizontal Well Performance
  • Horizontal Well Logging

Day 5

  • Productivity enhancement through Matrix Stimulation
  • Formation Damage Mechanisms
  • Candidate Selection for Acidizing
  • Acidizing in Sandstones and Carbonates
  • Productivity enhancement through Hydraulic Fracturing
  • Fracturing Treatment Objectives
  • Hydraulic Fracturing Models
  • Minifrac
  • Fracturing Design

Day 6

  • Well Intervention with Through-Tubing techniques
  • Matrix Stimulation with CT
  • High-Pressure Jetting
  • Fill Clean-Outs
  • CT Logging
  • Use of Nitrogen
  • Electrical Submersible Pumps (ESP) and Other Systems
  • Overview of Artificial Lift Systems
  • Electric Submersible Pumps
  • Rod Pumps
  • Progressive Cavity Pumps
  • Gas Lift

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Advanced Completion and Workovers

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