After repair works, oil production at Kashagan field resumed October 6, Tengrinews reports citing Kazakhstan's oil and gas ministry.
September 24, an insignificant gas leak was discovered during a scheduled audit on a pipeline connecting D Island and Bolashak Plant.
The accident had occurred in 2.5 kilometers from the refinery, within a sanitary protection zone.
Hydrogen sulfide concentration limits in the air were not exceeded. No victims reported.
'All operational units at onshore and offshore complexes have been put on standby and production of oil suspended. The situation in and out of the sanitary protection zone is under control,' a NCOC press release read.
Experts identified the leak's source and mended it.
All works strictly complied with the country's and international safety rules, according to the consortium.
Launched on June 30, 2012, Bolashak Plant is one of the key production facilities of North Caspian Project.
Its opening ceremony was honoured by the visit of Kazakh President Nursultan Nazarbayev and British Prime Minister David Cameron.
Oil production began on September 11.