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
5期
17-22
,共6页
复杂地层%绳索取心钻进%绳索取心液动锤%冲洗液%高强度快失水堵漏%曹四夭钼矿
複雜地層%繩索取心鑽進%繩索取心液動錘%遲洗液%高彊度快失水堵漏%曹四夭鉬礦
복잡지층%승색취심찬진%승색취심액동추%충세액%고강도쾌실수도루%조사요목광
complex formation%wire-line coring drilling%wire-line coring hydro-hammer%flushing fluid%high strength de-hydration blocking%Caosiyao molybdenum mine
针对内蒙古兴和县曹四夭钼矿区构造发育,地层坚硬、岩心破碎,以及钻孔缩径、漏失、坍塌、掉块等复杂情况,总结了该矿区“硬、脆、碎”复杂地层绳索取心深孔钻探施工技术经验,从钻孔结构、泥浆配置和冲洗液选取以及钻探设备、新型SYZX75+2(77)型绳索取心液动锤钻具等方面采取措施,解决了破碎漏失、坍塌掉块及坚硬“打滑”地层的难题.着重阐述了高强度快失水堵漏技术试验,改善了复杂地层的深孔钻进环境,提高了钻探生产效率,保证了钻孔的安全终孔.
針對內矇古興和縣曹四夭鉬礦區構造髮育,地層堅硬、巖心破碎,以及鑽孔縮徑、漏失、坍塌、掉塊等複雜情況,總結瞭該礦區“硬、脆、碎”複雜地層繩索取心深孔鑽探施工技術經驗,從鑽孔結構、泥漿配置和遲洗液選取以及鑽探設備、新型SYZX75+2(77)型繩索取心液動錘鑽具等方麵採取措施,解決瞭破碎漏失、坍塌掉塊及堅硬“打滑”地層的難題.著重闡述瞭高彊度快失水堵漏技術試驗,改善瞭複雜地層的深孔鑽進環境,提高瞭鑽探生產效率,保證瞭鑽孔的安全終孔.
침대내몽고흥화현조사요목광구구조발육,지층견경、암심파쇄,이급찬공축경、루실、담탑、도괴등복잡정황,총결료해광구“경、취、쇄”복잡지층승색취심심공찬탐시공기술경험,종찬공결구、니장배치화충세액선취이급찬탐설비、신형SYZX75+2(77)형승색취심액동추찬구등방면채취조시,해결료파쇄루실、담탑도괴급견경“타활”지층적난제.착중천술료고강도쾌실수도루기술시험,개선료복잡지층적심공찬진배경,제고료찬탐생산효솔,보증료찬공적안전종공.
@@@@According to the tectonic development in a molybdenum mining area of Inner Mongolia with complex geological conditions of hard formation, broken core, borehole diameter shrinkage, leakage, collapsing and block falling, the techni-cal experiences of drilling construction for wire-line coring in hard, brittle and broken formations were summed up.Analysis was made on borehole structure, mud configuration, flush fluid selection, drilling equipment and new SYZX75+2 ( 77) type wire-line coring hydro-hammer drilling tool to solves the leakage, collapsing, block falling and drilling difficulties in hard“skid” formations.The paper emphatically elaborates the high strength dehydration blocking test, which can improve drilling conditions in complex formations and drilling production efficiency to ensure the drilling safety.
