A gas field located in the northern part of the West Siberian Lowland in Russia (Tyumen Region), just south of the Arctic Circle. Discovered in 1966, a pipeline has been completed linking it to Western Europe, and gas is exported to the European continent. It is the world's largest gas field, with recoverable reserves estimated at approximately 9.5 to 10 trillion cubic meters. The gas collection structure is huge, with a maximum length of 200 km and a width of 20 to 40 km, and a thick gas layer from the mid-Cretaceous period is distributed there. This gas is not only the result of decomposition of source rocks, but also includes biogenic gas produced by methane-decomposing bacteria. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
ロシアの西シベリア低地北部(チュメニ地方),北極圏のすぐ南方に位置するガス田。1966年に発見され,西欧と結ぶパイプラインも完成し,ヨーロッパ大陸にガスを輸出している。可採埋蔵量は約9.5兆~10兆m3と推定されており,世界最大のガス田である。集ガス構造は,最大長200km,幅20~40kmという巨大なもので,白亜紀中期の厚いガス層が分布する。このガスは,根源岩の分解によるものだけでなく,メタン分解バクテリアによって生成された生物起源のものが含まれる。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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