摘要
在卵砾石层中钻进 ,采用常规钻进方法效果欠佳。本文介绍的采用套管钻进和潜孔锤钻进相结合的复合性钻进工艺 ,有效地解决了在卵砾石层中钻进的难题。
Difficulties are encountered in drilling in boulder formation are efficiently eliminated by using of a combined drilling technique which combines casing drilling with DTH drilling method.
出处
《吉林地质》
2000年第3期83-86,共4页
Jilin Geology
关键词
套管钻进
潜孔锤钻进
卵砾石层
复合性钻进工艺
casing drilling
DTH drilling
combined drilling tecchnique
boulder formation
drilling on water
