煤层底板地面加固区域邻井注浆扰动钻探卡钻事故分析与处理  

Analysis and treatment of drilling sticking accident disturbed by grouting in adjacent well in coal seam floor ground reinforcement area

作　　者：刘修刚 王林杰 李浩哲 LIU Xiugang;WANG Linjie;LI Haozhe(China Coal Technology&Engineering Group Xi’an Research Institute,Xi’an 710077,China)

机构地区：[1]中煤科工集团西安研究院有限公司,陕西西安710077

出　　处：《煤矿安全》2021年第8期171-174,共4页Safety in Coal Mines

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

摘　　要：以赵固一矿地面加固区域内相邻分别正直施工的注浆井造成定向钻进井突发卡钻的事故为研究对象,详细介绍了卡钻事故发生过程、卡钻原因分析及卡钻事故处理过程,总结了卡钻事故预防及处理方法。卡钻事故发生及处理过程的教训与经验为类似邻井注浆扰动钻探卡钻事故预防、处理提供重要借鉴作用。In the ground reinforcement area of Zhaogu No.1 mine, grouting well causes sudden sticking of adjacent directional drilling well, which is used as research object. We fully introduce the sticking accident process, causing reason of sticking accident, treatment process of sticking accident. Prevention and treatment methods are summarized. The lessons and experience from the occurrence and handling of the sticking accident provide an important reference for the prevention and treatment of sticking accident in similar accident.

关 键 词：煤层底板 定向水平井 注浆加固 卡钻事故 反丝倒扣 套铣打捞 

分 类 号：TD41[矿业工程—矿山机电]