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首页> 外文期刊>Geosciences >Natural Gas Liberations around Production Wells at Russian Arctic Gas Fields
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Natural Gas Liberations around Production Wells at Russian Arctic Gas Fields

机译：俄罗斯北极气田生产井周围的天然气释放

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Gas samples from gas liberations around wellheads on two giant natural gas fields in West Siberia (Bovanenkovo and Yamburg) have been tested for their carbon isotopic and molecular compositions. Results have shown local, microbial genesis of gas and that its source is permafrost at both gas fields. Gas liberation is caused by permafrost rock massif thawing around working well. Gas liberations can appear at different distances from the casing inside the radius of thawing. Two gas samples taken from gas liberations at casing border have shown thermogenic origin, which was explained by deep gas leakage through the casing. Gas liberations from deep production horizons are few, and they concentrate around the casing. Permafrost gas liberations are numerous, and they are spread at different distances from the wellhead.
机译：对西西比亚西西比亚西西比亚（Bovanenkovo和Yamburg）的两个巨大天然气领域的井口周围的气体样品已经过碳同位素和分子组合物。结果显示出局部的气体微生物生成，并且其来源在两个气田都是永磁冻结。气体解放是由永久冻土的岩石受到良好工作的影响引起的。气体释放可以在壳体内部的壳体内出现不同的距离。从套管边框的气体释放中取出的两个气体样品已经显示出热源，这是通过壳体的深气体泄漏来解释的。来自深度生产视野的气体解放很少，它们浓缩围绕套管。多年冻土气体释放无数，它们距离井口的不同距离。

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