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2011年8月1日18时20分,西气东输二线十堰支干线丹江口水库定向钻穿越回拖成功。十堰支干线最后一个控制性大型河流穿越工程的顺利完工,标志着西二线成功穿越了亚洲第一大水库。
At 18:20 on August 1st, 2011, the directional drilling of Danjiangkou Reservoir through the Shiyan Branch of the Second West-East Gas Pipeline was successfully completed. The successful completion of the last controlled large-scale river crossing project in Shiyan Branch marked the successful crossing of West Second Line across Asia’s largest reservoir.