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The Central Asia–China gas pipeline (known also as Turkmenistan–China gas pipeline) is a natural gas pipeline system from Central Asia to Xinjiang in the People's Republic of China. ==History== The initial proposal for Central Asia–China gas pipeline was presented as the Kazakhstan–China gas pipeline, which was to follow along the Kazakhstan-China oil pipeline. In June 2003, during China's President Hu Jintao's visit to Kazakhstan, agreements to expedite the appraisal of the project were signed.〔 〕 Following these agreements, KazMunayGas and PetroChina started a feasibility study of the pipeline project. At the same time China continued negotiations with other Central Asian countries. On 3 April 2006, China and Turkmenistan signed a framework agreement on the pipeline construction and long-term gas supply.〔 〕 In June 2007, during his visit to China, Turkmeni President Gurbanguly Berdimuhamedow signed an accord to speed up implementation of the Turkmeni-Chinese gas pipeline project.〔 On 30 April 2007, Uzbekistan and China signed an agreement on the construction and exploitation of the pipeline's Uzbekistan section.〔 〕 In July 2007, it was formally announced that Turkmenistan will join original Kazakhstan-China pipeline project.〔 〕 On 8 November 2007, Kazakhstan's oil company KazMunayGas signed an agreement with the China National Petroleum Corporation on principles of future work on the pipeline.〔 〕 On 30 August 2007, the construction of the long Turkmen section of the pipeline began.〔 This section was built by Stroytransgaz, a subsidiary of Gazprom.〔 〕 Main contractors were China Petroleum Pipeline Bureau, China Petroleum Engineering and Construction Corporation, and Zeromax.〔 Construction of the Uzbek section started on 30 June 2008.〔 〕〔 〕 It was built by Asia Trans Gas, a joint venture of Uzbekneftegas and CNPC.〔 〕 Construction works of the Kazakh section started on 9 July 2008 and the first stage was finished in July 2009.〔 〕 It was built by Asian Gas Pipeline company, a joint venture of CNPC and KazMunayGas.〔 〕 The main contractors of this section were KazStroyService and China Petroleum Engineering and Construction Corporation.〔 The first of the two initial parallel line were completed early November 2009.〔 〕 The Kazakh section of the pipeline was inaugurated on 12 December 2009 during China's president Hu Jintao's visit to Kazakhstan.〔 〕 The whole pipeline was inaugurated on 14 December 2009 in a ceremony in Saman-Depe during Hu Jintao's visit to Turkmenistan with the leaders of Turkmenistan, Uzbekistan and Kazakhstan.〔 〕 On 13 June 2010 China and Kazakhstan signed an agreement on a branch line from Western Kazakhstan.〔 〕 The second line was completed by the end of 2010. Construction of the third line began in 2012.〔 〕 It became operational on 15 June 2014, and is expected to reach the designed throughput of in December 2015. The construction of a fourth line of the pipeline is expected to be launched at the end of 2014.〔 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Central Asia–China gas pipeline」の詳細全文を読む スポンサード リンク
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