注浆护壁堵漏工艺在深孔岩心钻探中的应用

Application of Wall Protection by Grouting Technology in Deep Hole Coring Drilling

摘要:

简述了深孔岩心钻探破碎岩层护壁堵漏的重要性，注浆参数选择,水泥浆配比、速凝剂掺量的掌握，注浆施工中需把握的几个技术环节及注意事项,注浆施工经验总结及注浆效果评价等。

Abstract:

The paper briefly outlined the importance of wall protection and seepage control by grouting in deep hole coring drilling in broken formation, introduced the grouting parameter selection, cement slurry ratio, accelerator amount control, some technical links and attentions with grouting construction experience summary and the effect evaluation.