This document provides an overview of current methods and criteria of Life Extension (LTE) of fixed jacket structures with reference to ISO, API and NORSOK standards.

Sections include:

  1. General
  2. Life extension procedure
  3. Brief overview of codes and standards life extension requirements
  4. Structural integrity management
  5. Structural strengthening and repairs
  6. References
  7. A sample risk matrix for the life extension process
  8. An example of a SIM process
  9. An example of an annual SIM process