使结束,使终止(closure的过去式与过去分词形式);
Its horizontal section length is 820.86 m, closured distance is 1099.66m, oil reservoir is drilled to 562.5m The well's horizontal section has many steps and needs turning azimuth. The akin horizontal well is very few in China.
该井水平段长82086m,闭合距109966m,钻穿油层5625m,水平段多台阶、大幅度扭方位,同类型的水平井在国内并不多见。
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