Oil and Gas Field End of Life
An offshore oil and gas field in Southeast Asia, operated by an international oil company was originally developed in the 1970s and early 1980s.
It included 156 wellhead platforms, 11 gathering and process platforms and 5 onshore terminals. The facilities included 13000 lines, 1500 static equipment items and 370 pipelines from 4 to 36 inch diameter.
- The facility had been in production for 24 years when T-OCA was used to conduct an end of life RBI study in 2002. The main objective of the study was to develop the most cost effective inspection strategy that would achieve the greatest risk reduction for a six year end of life production scenario. At the end of the six year period, the field operation was to be returned to the national oil company.
The RBI study was conducted by Tischuk International in 2002 using 85% local labor content. The subsequent inspection program ran from 2003 to 2008 when the field was handed over to the national oil company. During that period, there were no failures of static equipment or pipelines. There were a small number of minor leaks from the process and utility piping that did not lead to major shutdowns.
- The national oil company is still operating the field in an end of life mode.