[热点探讨]卵石层地区钻进取芯与扩孔的钻探经验浅析至 [复制链接]

cdddd:大直径超厚卵石层成孔方法与流程 c#T0n !}  
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爆破扩孔在卵石层钻井中的效果 _MzdbUb5,  
https://www.sogou.com/link?url=hedJjaC291PtD2zz_-yPKusx7jCq59LvxRFlVfVJyWkCIjjWXkbbkSHmfGkN .. (2023-01-16 15:21)  D)J'xG_<O  

cdddd:卵石层小口径引孔钻进施工方法 .LEn~ 8  
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卵石铺盖层溶洞桩成孔技术 xN]88L}Tn  
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砂卵石地层定向钻进用扩孔钻具 I\oI"\}U  
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cdddd:卵石层小口径引孔钻进施工方法 6s"Erq5q  
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一种在巨厚漂卵石地层中大直径工程井成孔施工方法 =_/,C  
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浅谈卵石层钻探工艺 8v)PDO~D}A  
....... (2023-01-16 15:36)  K(M@#t1_&  

cdddd:扩孔原因及系数 XV2f|8d>  
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18号孔扩孔分析 3ySP*J5  
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浅谈卵石层钻探工艺 <R:KR(bT  
....... (2023-01-16 15:37)  f8E S GU  

cdddd:砂卵复杂地质条件下的定向钻穿越施工 sJ?Fque  
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跟管钻进技术在卵石地层边坡加固工程中的应用 Qd]-i3^0  
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卵石地层定向钻穿越技术的应用 ?{cF'RB.  
....... (2023-01-16 15:39)  5nqj