2000m地质岩心钻探关键技术与装备  

Key Technology and Equipment of 2000m Core Drilling

作　　者：张金昌[1] 刘凡柏[1] 冉恒谦[1] 孙建华[1] 孟义泉[1] 

机构地区：[1]中国地质科学院勘探技术研究所,河北廊坊065000

出　　处：《探矿工程（岩土钻掘工程）》2012年第1期3-8,共6页Exploration Engineering:Rock & Soil Drilling and Tunneling

基　　金："863"计划"十一五"重点项目"2000m地质岩心钻探关键技术与装备"(2007AA060701);国家危机矿山接替资源找矿项目"2000m全液压岩心钻探装备示范工程"(20089945)

摘　　要：经过4年的攻关,国家"863"计划重点项目"2000 m地质岩心钻探关键技术与装备"研制取得了多项创新成果,主要包括:完成了地面钻探设备及孔内钻探取心器具集成配套,形成了深部岩心钻探施工和示范能力;完成了山东金青顶矿区危矿专项ZK43-1钻孔施工,终孔深度2212.80 m。全孔平均钻进时效为1.65 m,岩心采取率为98.6%,钻孔质量优良;创造了3项钻深和套管下入深度全国记录;在大项目运作机制、产学研合作模式及钻探技术示范方式等方面积累了一些经验。详细介绍了项目的研制情况及取得的主要成果。This paper introduced the main achievements of ＂key technology and equipment of 2000m core drilling＂ in the ＂863＂ project ： integration of drilling equipment and core drilling apparatus has been completed to form the ability of deep core drilling construction and demonstration; the specific project of crisis mine ZK43 - 1 construction in Jinqingding mine was finished with good borehole quality of termination depth 2212. 80m, average drilling efficiency 1.65m/h and core recovery 98.6% ; in this borehole construction, 3 pieces of record of depth in drilling and casing in China were created; and some experiences were accumulated in large project operating mechanism, industry-university-research cooperation mode and drilling technology demonstration mode.

关 键 词：全液压岩心钻机 泥浆泵 钻进参数监测 绳索取心钻杆 绳索取心液动锤 长寿命金刚石钻头 

分 类 号：P634[天文地球—地质矿产勘探]