Well Completion Training Course

1. Introduction to Well Completions

1.1 Well Completion Fundamentals

• Role of well completions in production system including (reservoir to wellhead approach and production optimization)

• Types of well completions including (cased hole completions and open hole completions)

• Completion selection criteria including (reservoir characteristics and production requirements)

• Key performance indicators including (productivity index and completion efficiency)

• Introduction to API RP 19B and ISO 14310 standards for well completions

1.2 Reservoir Considerations for Completions

• Reservoir characterization impact on completion design including (permeability assessment and formation damage potential)

• Formation damage mechanisms including (drilling fluid invasion and perforation damage)

• Fluid compatibility issues including (clay swelling potential and emulsion tendencies)

• Near-wellbore effects including (skin factor evaluation and stimulation needs)

• Completion-reservoir interaction including (sand production potential and water/gas coning)

2. Casing and Cementing for Completions

2.1 Casing Design for Completions

• Casing selection criteria including (collapse resistance and burst pressure requirements)

• Metallurgical considerations including (H₂S resistance and CO₂ corrosion potential)

• Connection design including (gas-tight connections and torque considerations)

• Clearances and restrictions including (drift diameter and equipment passage)

• Casing accessories including (landing nipples and polished bore receptacles)

2.2 Cementing for Effective Completions

• Cement slurry design for completions including (set time control and strength development)

• Zonal isolation requirements including (preventing crossflow and protecting casing)

• Cementing techniques including (stage cementing and squeeze cementing)

• Cement evaluation including (cement bond logs and ultrasonic imaging tools)

• Remedial cementing including (perforation squeezes and annular packer placement)

3. Perforation Design and Techniques

3.1 Perforation Fundamentals

• Perforation objectives including (creating effective flow path and minimizing formation damage)

• Perforation parameters including (shot density and phasing options)

• Gun selection including (through-tubing systems and tubing-conveyed systems)

• Charge selection including (deep penetrating charges and big hole charges)

• Perforation damage and skin including (crushed zone effects and perforation cleanup)

3.2 Advanced Perforation Techniques

• Underbalanced perforating including (pressure differential selection and equipment setup)

• Extreme overbalance perforating including (surge enhancement and safety considerations)

• Dynamic underbalanced perforating including (temporary isolation techniques and sequence planning)

• Oriented perforating including (reservoir stress consideration and alignment techniques)

• Perforation optimization including (productivity modeling and charge performance evaluation)

4. Well Completion Equipment and Components

4.1 Downhole Completion Equipment

• Tubing selection including (size optimization and metallurgical requirements)

• Packers including (production packers and isolation packers)

• Flow control devices including (sliding sleeves and interval control valves)

• Safety systems including (subsurface safety valves and storm chokes)

• Downhole monitoring equipment including (pressure/temperature gauges and flow meters)

4.2 Surface Completion Equipment

• Wellhead systems including (casing head and tubing head assemblies)

• Christmas tree components including (master valves and wing valves)

• Flow control equipment including (chokes and chemical injection points)

• Monitoring systems including (pressure monitoring and sampling points)

• Connection to gathering systems including (flowline connections and manifold systems)

5. Completion Types and Selection

5.1 Single Zone Completions

• Simple single zone completions including (single tubing string and conventional packers)

• Selective single zone completions including (sliding sleeve applications and nipple profiles)

• Tubing selection considerations including (flow rate requirements and artificial lift compatibility)

• Packer selection including (production packer types and setting mechanisms)

• Case studies of single zone completions including (Middle East field examples and optimization strategies)

5.2 Multiple Zone Completions

• Dual completion systems including (parallel tubing strings and concentric tubing)

• Multiple selective completions including (sliding sleeve assemblies and isolation packers)

• Intelligent completions for multiple zones including (downhole flow control and monitoring systems)

• Commingled production considerations including (regulatory requirements and production allocation)

• Case studies of multiple zone completions including (stacked reservoir examples and production optimization)

6. Sand Control Completions

6.1 Sand Control Fundamentals

• Sand production mechanisms including (geomechanical factors and production effects)

• Sand prediction methods including (log analysis and laboratory testing)

• Sand control techniques including (mechanical methods and chemical methods)

• Sand monitoring including (surface detection systems and production trend analysis)

• Economic considerations including (cost-benefit analysis and equipment selection criteria)

6.2 Sand Control Equipment and Installation

• Gravel pack systems including (conventional gravel packs and high-rate water packs)

• Screens selection including (wire wrapped screens and premium screens)

• Frac-pack operations including (design considerations and execution procedures)

• Stand-alone screen completions including (selection criteria and installation procedures)

• Expandable sand screens including (expansion mechanisms and installation challenges)

7. Specialized Completions

7.1 Horizontal Well Completions

• Horizontal well challenges including (inflow profile management and wellbore stability)

• Barefoot completions including (open hole considerations and formation stability)

• Liner completions including (slotted liners and pre-perforated liners)

• Segmented completions including (external packers and swell packers)

• Inflow control devices including (passive ICDs and autonomous ICDs)

7.2 Multilateral Well Completions

• Multilateral junction types including (TAML classification and selection criteria)

• Junction construction techniques including (whipstock operations and junction stability)

• Selective access considerations including (re-entry tools and identification systems)

• Inflow management including (zonal isolation and flow control)

• Middle East case studies including (multilateral application in carbonate reservoirs and clastic formations)

8. Completion Installation and Operations

8.1 Installation Procedures

• Pre-installation preparations including (wellbore cleaning and conditioning)

• Running procedures including (tubing running and packer setting)

• Space-out considerations including (thermal effects and tubing movement)

• Equipment testing including (pressure testing and function testing)

• Contingency plans including (fishing operations and equipment backup)

8.2 Workover and Intervention

• Workover planning including (risk assessment and equipment selection)

• Intervention techniques including (wireline operations and coiled tubing operations)

• Completion repair including (packer replacement and tubing repair)

• Re-completion strategies including (zone change and completion upgrade)

• Through-tubing operations including (perforation and stimulation techniques)

9. HSE Considerations in Well Completions

• Risk assessment for completion operations including (barrier analysis and hazard identification)

• Well control during completion including (pressure management and kill procedures)

• Environmental protection including (spill prevention and waste management)

• Personnel safety including (handling completion fluids and equipment hazards)

• Emergency response including (well control emergencies and personnel evacuation)

10. Quality Control in Completion Operations

• Quality standards including (API RP 19B requirements and ISO 14310 specifications)

• Equipment inspection and verification including (pressure testing protocols and dimensional checks)

• Documentation requirements including (material certification and traceability)

• Installation quality assurance including (procedural compliance and verification testing)

• Completion acceptance criteria including (mechanical integrity and functionality verification)

11. Case Studies & Group Discussions

• Analysis of completion design failures including (Middle East field examples and lessons learned)

• Problem-solving sessions for common completion challenges including (sand control issues and corrosion mitigation)

• Regional success stories including (high-temperature applications in the Arabian Gulf and heavy oil completions)

• Emerging technologies evaluation including (expandable technology applications and smart completions)

• The importance of proper training in successful completion operations