1986 – Start of commercial development of Kumkol field in South-Turgai basin in south-central Kazakhstan.
1991 – Hurricane Hydrocarbons Ltd. enters the Kazakhstani market as a partner in a joint venture that develops Kyzylkiya, Aryskum, Maibulak and South Kumkol fields.
1996 – Hurricane purchases Yuzhneftegas together with 50% shares in two joint ventures – Kazgermunai and Turgai Petroleum.
2000 – The Company purchases Shymkentnefteorgsintez (ShNOS), which owns one of three of the country’s oil refineries.
2003 – The corporate name is changed to PetroKazakhstan Inc. so as to clearly reflect the company’s operations and country in which the company performs its operations.
2005 – PetroKazakhstan Inc. was purchased by CNPCI, a subsidiary of China National Petroleum Corporation.
2006 – The Company signs a Memorandum on Understanding with the transfer of a 33% share in PetroKazakhstan Inc. to NC KazMunayGaz.
2007 – on 6 July 2007, National Company KazMunayGaz acquired 50% of the PKOP stake as part of the agreement between CNPCI and KMG.
2009 – the transfer of a 33% share in AO PKKR to AO KazMunayGaz EP completed.
2014 - PetroKazakhstan Oil Products LLP started the implementation of large-scale Project “Shymkent Refinery Modernization and Revamping”, according to the State program of industrial and innovative development of the Republic of Kazakhstan.
2018 - The processes under the Project “Shymkent Refinery Modernization and Revamping” were completed in full.