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Blog2020-06-08T20:22:52+01:00

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Casing & Tubing Design – Advanced

Advanced well engineering course that introduces HPHT casing and tubing stress analysis to senior well engineers, comprehensively covering complex design challenges presented by HPHT & uHPHT environments. The course provides insights to balanced well integrity and best well architecture configurations using WellCAT hands-on training.

Detailed Agenda

Day 1:

  • Prelim design refresher, Design Approaches like Deterministic (WSD), Probabilistic, Reliability, Survival Design Concept
  • Pre-assessment test
  • Well Architecture, Well Integrity, Basis of Design, Initial Conditions (Producers and Injectors), Worst-case discharge loads
  • Load Cases – Casing and Tubing
  • Installation Loads, Drilling Loads, Production/Injection Loads, Drilling and Production Thermal loads
  • WellCAT Exercises – Well File Build up with all inventory entries

Day 2:

  • Design Factors: Rationale and assumptions, Uni-axial and Tri-axial Design Factors, Design Factors for Connections
  • Tubular Strength: Axial, Burst, Collapse, De-ration due to Corrosion and Temperature, Material Anisotropy, High Collapse (Non API), Limit state collapse
  • WellCAT Exercises – Drill and Prod Module

Day 3:

  • Temperature Considerations
  • Load Cases, Pipe Strength, Material Selection, Movement, Buckling, APB
  • Material Selection, Metallurgy Fundamentals, Corrosion mechanisms, Sour service grade selection
  • Fracture failure (brittle burst analysis), Quality Assurance and Quality Control
  • Tubing Design, Difference between casing and tubing design criteria, Completion equipment selection
  • WellCAT Exercises – Casing and Tube Module

Day 4:

  • Connections: Types, applications, limitations
  • Connection assessment levels (CAL), Testing and qualification, use of qualified envelopes in casing and tubing design (Connection tri-axial design)
  • Casing Wear proposed workflow, wear prediction workflow, wear factors, key factors impacting casing wear
  • WellCAT Exercises – Design with connection envelope, Casing Wear Analysis

Day 5:

  • Kick Tolerance
  • Survival design considerations, WCD, WCD loads (Cap and contain, Hot Collapse)
  • Multi-String Analysis incl. WHG, APB, System fixity considerations
  • Special problems, Expandable Tubular, Steam Cycling – issues like plastic strain, Bauschinger effect, low cycle fatigue, Subsidence/Compaction loads
  • WellCAT Exercises – Multi String Module AFE and WHG
  • Post Assessment, Feedback and certificates

Answers to complex FAQ’s like:

  • Un-cemented casing buckling during next section drilling with potential impact on casing wear
  • System fixity and Well Head Growth
  • Friction impact on tubular buckling and movement
  • Fluid flow and heat transfer during production, fracing, stimulation, testing as transient and steady state
  • Tri-axial design of connections with qualified connection service envelope

Advanced well engineering course that introduces HPHT casing and tubing stress analysis to senior well engineers, comprehensively covering complex design challenges presented by HPHT & uHPHT environments. The course provides insights to balanced well integrity and best well architecture configurations using WellCAT hands-on training.

Detailed Agenda

 

Answers to complex FAQ’s like:

  • Un-cemented casing buckling during next section drilling with potential impact on casing wear
  • System fixity and Well Head Growth
  • Friction impact on tubular buckling and movement
  • Fluid flow and heat transfer during production, fracing, stimulation, testing as transient and steady state
  • Tri-axial design of connections with qualified connection service envelope
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