赵固一矿区域地面水平注浆钻井关键技术  

Key Technology of Ground Horizontal Grouting Drilling in Zhaogu No.1 Mine

作　　者：刘修刚 姜在炳 王毅[2,3] 李浩哲[2,3] 庞涛 LIU Xiugang;JIANG Zaibing;WANG Yi;LI Haozhe;PANG Tao(China University of Mining and Technology-Beijing,Beijing 100083,China;China Coal Research Institute,Beijing 100013,China;CCTEG Xi'an Research Institute(Group)Co.,Ltd.,Xi'an 710077,China)

机构地区：[1]中国矿业大学(北京),北京100083 [2]煤炭科学研究总院,北京100013 [3]中煤科工西安研究院(集团)有限公司,西安710077

出　　处：《煤炭技术》2023年第6期38-40,共3页Coal Technology

基　　金：国家重点研发计划重点专项基金资助项目(2018YFC0808202)。

摘　　要：为解决赵固一矿地面区域顺L8灰岩层注浆井钻井过程中出现的诸类问题,主要从井身结构设计、导眼地质导向、钻头适用性优选、泥浆配方优化及泵参数优选、钻进参数优化、钻具组合设计等方面进行了关键技术研究,形成了一系列适用于赵固一矿区域地面水平注浆钻井的关键技术。通过现场实例应用表明,基于关键技术指导施工,能够高效提升钻进效率,有效缩短全井施工周期30%。In order to solve various problems during the drilling process of the grouting well along the Lg limestone layer in the ground area of Zhaogu No.1 mine,key technical researches have been carried out mainly in the aspects of wellbore structure design,pilot hole geosteering,drill bit applicability optimization,mud formulation optimization and pump parameter optimization,drlling parameter optimization,drilling tool assembly design,etc.A series of key technologies suitable for surface horizontal grouting drilling in Zhaogu No.1 mine have been formulated.The application of field examples shows that guiding construction based on key technologies can effectively improve drilling efficiency and effectively shorten the construction period of 30%in the whole well.

关 键 词：注浆井 井身结构 地质导向 钻头优选 参数优化 钻组组合 关键技术 

分 类 号：TD745[矿业工程—矿井通风与安全]