Well Integrity and Permanent P and A (PET675)

The course considers well integrity and permanent plug and abandonment of wells. The priority is given to hydrocarbon wells but geothermal wells are also discussed.

Course description for study year 2023-2024


Course code




Credits (ECTS)


Semester tution start


Number of semesters


Exam semester


Language of instruction



Well Integrity

  • Introduction to Well Integrity
  • Common well integrity issues
  • Defining well barriers
  • Verification of well barriers.
  • Well integrity management
  • Organizational challenges and well design
  • Formation Integrity Test (FIT)
  • Cement Integrity

Plug and Abandonment (P&A)

  • Introduction to Permanent P&A
  • A conventional approach to P&A
  • A risk-based approach to P&A
  • Type of Wells (Production, injection, exploration, etc.)
  • Minimum setting depth (MSD)
  • Selection of a suitable formation
  • Well completion consideration
  • Casing cement verification
  • Cement placement inside casing
  • Access to formation
  • Plug placement techniques
  • Well barrier and well barrier elements criteria
  • P&A consideration during well design
  • Assignments

Learning outcome

Have insight into the different phases of a wells lifecycle including drilling, completion, production, intervention.

Have knowledge about drilling equipment and well logging tools.

Be able to perform hydraulic calculations both for hydrostatic pressure, pulling capacity, mechanical friction and fracture pressure.

Required prerequisite knowledge

Must meet the requirement for admission to the master programme in Petroleum Engineering

Recommended prerequisites

PET535 Modern Well Design and Downhole Drilling Physics


Form of assessment Weight Duration Marks Aid
Written exam 1/1 4 Hours Letter grades Valid calculator

Course teacher(s)

Head of Department:

Øystein Arild

Method of work

4 hours with lectures per week on well integrity and permanent P&A.

Overlapping courses

Course Reduction (SP)
Well Intervention and Plug and Abandonment (PET605_1) 5

Open for

Admission to Single Courses at the Faculty of Science and Technology
Exchange programme at Faculty of Science and Technology

Course assessment

There must be an early dialogue between the course coordinator, the student representative and the students. The purpose is feedback from the students for changes and adjustments in the course for the current semester.In addition, a digital course evaluation must be carried out at least every three years. Its purpose is to gather the students experiences with the course.


The syllabus can be found in Leganto