On June 7th, 2002 the constituent documents on formation of "KazRosGas" joint venture have been signed in St.Petersburg.
On June 10th, 2002 "KazRosGas" is registered as a legal body by Department of Justice in Almaty.
The Conclusion of the contract about purchase of sour gas of the Karachaganak field for a term of 3 years with "Karachaganak Petroleum Operating B.V."
On October 3rd, 2006 was concluded the Agreement between the Government of the Republic of Kazakhstan and the Government of the Russian Federation about cooperation in creation of an economic society on the basis of the Orenburg gas-processing plant.
In January, 2007 "KazRosGas" for the first time carries out processing of Karachaganak gas at the enterprises of «Gazprom Dobycha Orenburg» under the direct contract which has been signed on December 12th, 2006 inOrenburg.
On May 31st, 2007, "KazRosGas" company has concluded the fifteen years contract with "Karachaganak Petroleum Operating B.V." for purchase and sale of crude gas. The contract has come into force since September 1st, 2007.
On October 1st, 2007 the first delivery of gas has been carried out.
On April 27th, 2011 the Chairman of the Managing Board of "NC" KazMunayGas" JSC K.Kabyldin and the Chairman of Managing Board of "Gazprom" OJSC A.Miller have signed the Agreement on definition of "KazRosGas" LLP as unified operator of the Imashev project.