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)
2014年
12期
49-52
,共4页
李晓晖%程林%李艳丽%和新%孔令沪%满国祥%朱立强%闫路%王家一%张慧杰
李曉暉%程林%李豔麗%和新%孔令滬%滿國祥%硃立彊%閆路%王傢一%張慧傑
리효휘%정림%리염려%화신%공령호%만국상%주립강%염로%왕가일%장혜걸
大口径深孔%松软地层%绳索取心钻具
大口徑深孔%鬆軟地層%繩索取心鑽具
대구경심공%송연지층%승색취심찬구
large diameter deep hole%soft formation%wire-line coring tool
为解决深孔大口径及松软地层取心难的问题，推进取心钻探技术的发展，研发了一套大口径绳索取心钻具。着重介绍了大口径绳索取心钻具的结构特点、技术参数、技术创新及使用效果。应用结果表明，该大口径绳索取心钻具结构合理、各机构动作可靠、岩心采取率高，能够满足深孔及松软地层的取心要求。
為解決深孔大口徑及鬆軟地層取心難的問題，推進取心鑽探技術的髮展，研髮瞭一套大口徑繩索取心鑽具。著重介紹瞭大口徑繩索取心鑽具的結構特點、技術參數、技術創新及使用效果。應用結果錶明，該大口徑繩索取心鑽具結構閤理、各機構動作可靠、巖心採取率高，能夠滿足深孔及鬆軟地層的取心要求。
위해결심공대구경급송연지층취심난적문제，추진취심찬탐기술적발전，연발료일투대구경승색취심찬구。착중개소료대구경승색취심찬구적결구특점、기술삼수、기술창신급사용효과。응용결과표명，해대구경승색취심찬구결구합리、각궤구동작가고、암심채취솔고，능구만족심공급송연지층적취심요구。
A set of large diameter wire-line coring tool is developed to solve the difficulties in large diameter deep hole and soft formation drilling.The paper introduces its structure characteristics, technical parameters, technical innovation and the application effects.The application effects show that this drilling tool has the advantages of rational structure, reliable mechanism action and high coring rate and can meet the coring requirements in deep hole and soft formation.
