吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (6): 1844-1851.doi: 10.13229/j.cnki.jdxbgxb201506017
甘心, 殷琨, 何将福, 殷其雷
GAN Xin, YIN Kun, HE Jiang-fu, YIN Qi-lei
摘要:
研制了大直径贯通式潜孔锤及反循环钻头,并进行模拟仿真电算及现场试验。试验结果表明:潜孔锤最高钻进效率可达6 m/h;平均钻进效率为4.5 m/h,且反循环排渣顺畅、井底无沉渣、成井质量好,可以解决大直径应急救援井的碎岩和排渣两大难题,能够充分满足应急救援井对钻进效率和成井质量的要求。
中图分类号:
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