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The Central Asia – Center gas pipeline system is a Gazprom controlled system of natural gas pipelines, which run from Turkmenistan via Uzbekistan and Kazakhstan to Russia. The eastern branch includes the Central Asia - Center (CAC) 1, 2, 4 and 5 pipelines, which start from the south-eastern gas fields of Turkmenistan. The western branch consists of the CAC-3 pipeline and a project to build a new parallel Caspian pipeline. The western branch runs from the Caspian Sea coast of Turkmenistan to north.〔 〕 The branches meet in western Kazakhstan. From there the pipelines run to north where they are connected to the Russian natural gas pipeline system.〔 〕 ==History== The system was built between 1960 and 1988. Construction began after discovery of the Dzharkak field, and the first section of the pipeline was completed in 1960.〔 〕 CAC-1 and 2 were commissioned in 1969 and CAC-4 was commissioned in 1973.〔 In 1976, two parallel lines were laid between Shatlyk compressor station and Khiva. CAC-5 was commissioned in 1985 and in 1986-88 the Dauletabad–Khiva line was connected.〔 The western branch (CAC-3) was constructed in 1972-1975.〔 〕 In 2003, the late President of Turkmenistan Saparmurat Niyazov proposed to renovate existing systems and construct a new parallel pipeline to the western branch.〔 〕〔 〕 On 12 May 2007, Vladimir Putin of Russia, Nursultan Nazarbayev of Kazakhstan and Gurbanguly Berdimuhamedow of Turkmenistan signed a memorandum for renovation and expansion of the western branch of the pipeline.〔 〕〔 〕 On 20 December 2007, Russia, Turkmenistan and Kazakhstan finalized agreement on construction of the Caspian Coastal Pipeline parallel to the existing CAC-3 pipeline (known as Bekdash–Europe pipeline or Okarem–Beineu pipeline). 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–Center gas pipeline system」の詳細全文を読む スポンサード リンク
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