“Most of the problems are in the weld areas. We cannot give any reason why it happened as we have not had the final conclusion yet,” he said on the sidelines of a ministerial meeting in Astana.

The shutdown of the much-delayed project has cost about $50 million so far, though no official date has been for production to restart.

Zhakyp Marabayev, deputy managing director of the North Caspian Operating Company (NCOC) consortium developing Kashagan, said the investigation’s final report, including the results of the crack analysis and pipeline inspection gauge studies will be available this month.

“In