钻探工程2024，Vol.51Issue(5)：1-11,11.DOI:10.12143/j.ztgc.2024.05.001
深部硬岩钻探中孕镶金刚石钻头碎岩单元强化研究进展及建议
Research progress and suggestions on strengthening fragmented rock units of diamond bit in deep hard rock drilling
摘要
Abstract
With the continuous development of the exploration,development and utilization of deep mineral resources,the bottom environment of the hole is more complex.Pregnant diamond bit,as a special tool for geological drilling,the complex deep hard rock geological environment also puts forward higher requirements for the performance of pregnant diamond bit.The efficiency and life of crushed rock of pregnant diamond bit are closely related to the performance of broken rock unit.This paper summarizes the research status of drilling wear response of pregnant diamond bit in deep hard rock drilling.At present,the research is not perfect,so further in-depth analysis is needed to clarify the response mechanism.On this basis,discusses the innovation of broken rock unit in recent years,the emphasis from the internal structure and the analysis of different reinforcement way of the cutting unit strength,wear,drilling efficiency,the results show that it can effectively improve the deep hard rock pregnant drill cutting efficiency and working life.From the perspective of prolonging lifespan and increasing efficiency,this paper discusses the direction of strengthening the broken rock unit of impregnated diamond drill bits suitable for deep hard rock drilling,providing reference for the design and manufacturing of impregnated diamond drill bits for deep geological drilling.关键词
深部硬岩/孕镶金刚石钻头/碎岩单元强化/碎岩效率/使用寿命Key words
deep hard rock/impregnated diamond bit/broken rock unit reinforcement/broken rock efficiency/service life分类
天文与地球科学引用本文复制引用
王英,李禹霄,张凯,李富强,刘晓..深部硬岩钻探中孕镶金刚石钻头碎岩单元强化研究进展及建议[J].钻探工程,2024,51(5):1-11,11.基金项目
国家自然科学基金青年科学基金项目"超高转速钻进临界速度及钻头碎岩磨损特征研究"(编号:42202346) （编号:42202346）
山东省煤田地质局重点科研专项项目"深地钻探小口径取心高效钻进技术研究"(编号:鲁煤地科字[2022]33号) （编号:鲁煤地科字[2022]33号）
