ATYRAU. 18.05.2010. KAZINFORM /Andrei Sokolov/ After completion of the Atyrau refinery modernization and the first integrated complex construction the western region is to be a center of the country's petrochemical sector. Minister of Oil and Gas Sauat Mynbayev has said it. At the visiting meeting on investment projects implementation and coastal infrastructure development of the Kazakh sector of the Caspian Sea S.Mynbayev informed that all issues on the Atyrau refinery modernization were resolved. After works completion the output at the Atyrau refinery will increase from 4.3 mln tons to 4.5 mln tons per annum. According to the Minister, the issue on construction of the first gas chemical integrated complex is under consideration. "Following the completion of these works we can say that Atyrau region is a center of petrochemical industry of Kazakhstan", S.Mynbayev said.