潜孔锤反循环钻进技术在复杂地层中的试验研究  

EXPERIMENTAL RESEARCHES OF DTH REVERSE CIRCULATION DRILLING TECHNIQUE IN COMPLEX STRATA

作　　者：胡振阳[1] 白鸿雁 殷琨[3] 

机构地区：[1]中铁西南科学研究院,成都610031 [2]浙江山水建设有限公司,杭州310014 [3]吉林大学建设工程学院,长春130026

出　　处：《地质与勘探》2006年第4期94-96,共3页Geology and Exploration

基　　金：中国地质调查局项目(200120170130)

摘　　要：贯通式潜孔锤反循环连续取芯(样)钻进技术在钻进复杂地层时有独特效果,依托中国地调局项目,通过野外生产试验,加深了贯通式潜孔锤反循环机理的理论研究,对贯通式潜孔锤及其配套钻具的结构进行了合理的优化,大大提高了其对复杂地层的适应能力,完善了操作技术和工艺方法,使潜孔锤反循环钻进技术达到了可以广泛推广应用的水平。The appliance of The DTH reverse circulation drilling technology has special results in drilling complex strata. Rely on the CGS＇s projects, through field pilot production, Further physical study on the reverse circulation mechanics, the structure of hollow -through DTH and its assorted drilling tools is rationally optimized, which increases the adaptability of complex strata and improved the operative technique and processing method, as a result, this DTH reverse circulation drilling technique can be widely used.

关 键 词：贯通式潜孔锤 反循环连续取样 复杂地层 

分 类 号：P634.5[天文地球—地质矿产勘探]