WELL ARCHITECTURE & EQUIPMENT
Course Code: OG29
Course Objective
- calculate different casing strings using the Drilling Data Handbook,
- select the right position of casing shoes,
- calculate the stress applied to the casing pipes,
- select the casings as per the constraints encountered while drilling,
- choose the right wellhead with regard to the casings used.
Target Audience
- Young engineers, tool pushers, supervisors, other professionals involved or interested in well architecture.
Course Outline
- DRILLING & CASING PROGRAM
- Role of casings.
- Parameters to be considered to determine well architecture:
- Well type.
- Pore and frac pressures.
- Completion, lithology.
- Different types of casings:
- Surface.
- Intermediate.
- Production.
- WELLHEAD
- Different elements.
- Wellhead assembly sequences.
- CHARACTERISTICS OF CASINGS
- Geometric, physical and mechanical properties of the pipes, the connections.
- Use of Drilling Data Handbook.
- SHOE POSITIONING
- Hypotheses to be considered, casing point - Kick tolerance.
- Casing point - Kick tolerance.
- Examples and exercises.
- CASING STRING CALCULATION
- Principles and assumptions to remember for the different strings.
- Stress cases study:
- Collapse.
- Burst.
- Tension.
- Triaxial study.
- Safety factors.
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