.. .Casing Design Principles • Lecture Contents; – Lecture Objectives, – Definitions, – Casing Design Criteria, • Collapse, • Burst, • Tension © COPYRIGHT 2001, All Rights Reserved Casing Design. .. expensive, – And hence the designer must ensure the cheapest and the best quality © COPYRIGHT 2001, All Rights Reserved Casing Design Principles • Design Criteria; – Casing design criteria are: •... from fluids outside the casing 12 © COPYRIGHT 2001, All Rights Reserved Casing Design Principles • Design Criteria; – Burst: • Gas to Surface: – In conventional casing design, it is customary