探矿工程-岩土钻掘工程
探礦工程-巖土鑽掘工程
탐광공정-암토찬굴공정
EXPLORATION ENGINEERING (DRILLING & TUNNELING)
2013年
7期
81-83
,共3页
岩心钻探%液动锤%岩心堵塞%作用机理
巖心鑽探%液動錘%巖心堵塞%作用機理
암심찬탐%액동추%암심도새%작용궤리
core drilling%hydraulic hammer%core blockage%action mechanism
通过对液动锤取心钻进过程中钻具的受力分析，论述了液动锤减轻岩心堵塞的作用机理，阐明了液动锤钻进技术的适用地层范围，介绍了其在汶川地震断裂带科学钻探工程 WFSD －4号孔中应用取得的成果。
通過對液動錘取心鑽進過程中鑽具的受力分析，論述瞭液動錘減輕巖心堵塞的作用機理，闡明瞭液動錘鑽進技術的適用地層範圍，介紹瞭其在汶川地震斷裂帶科學鑽探工程 WFSD －4號孔中應用取得的成果。
통과대액동추취심찬진과정중찬구적수력분석，논술료액동추감경암심도새적작용궤리，천명료액동추찬진기술적괄용지층범위，개소료기재문천지진단렬대과학찬탐공정 WFSD －4호공중응용취득적성과。
By the force analysis on core barrel in hydro-hammer coring drilling process, this paper discusses the action mechanism of reducing core blockage in hydro-hammer drilling.In addition, the applicable stratum range for hydro-hammer drilling are clarified and the results achieved during the drilling operation for the hole WFSD -4 of Wenchuan earthquake fault scientific drilling project are introduced.
