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The Western Sichuan Foreland Basin developed Upper Triassic coal measure source rock, which mainly generated gases.
川西前陆盆地具有丰富的天然气资源,发育上三叠统巨厚的煤系烃源岩, 以生气为主,并发育多套储盖组合.
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The flowing groundwater in coal measure can affect the coalbed gas content largely.
煤系中流动的地下水对煤层气的含量影响很大.
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