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煤矿井下水平定向钻进技术与装备的新进展 被引量:53

Latest Developments of Horizontal Directional Drilling Technology and the Equipments for Underground Coal Mine
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摘要 煤矿井下定向钻进技术作为一项工程领域的新技术,已经广泛应用于煤矿井下瓦斯抽采、防治水、地质勘探和精确工程钻孔施工等领域。经过在国内30多个矿区推广应用,煤矿井下定向钻进技术和装备逐渐完善并取得新进展,形成了ZDY12000LD型大功率定向钻机、无线随钻测量系统、地质导向钻进装置及复合定向钻进工艺。结合现场试验完成了主孔深度1881 m的煤层定向长钻孔和1026 m岩层定向长钻孔,充分说明了ZDY12000LD型钻机功率大、钻进及事故处理能力强,无线随钻测量系统测量精度高,配套复合定向钻进技术形成的钻孔孔壁光滑、沉渣少、钻孔曲率小,钻进效率高。 As a new technology, the directional drilling for underground coal mine has been applied in fields such as gas drainage, water control, geological exploration and accurate drilling borehole engineering. By the popularization and application in more than 30 mines of China, the horizontal directional drilling technology and the equipments for underground coal mine have been gradually improved with new progress; ZDY12000LD directional drilling rig, MWD by mud pulse transmission system, geosteering drilling device and compound directional drilling technology have been formed. 1881m directional drilling borehole in coal seam and 1026m directional drilling borehole in rock were completed in underground eoalmine, which show the advantages of ZDY12000LD rig in large power, high capability in drilling and accident processing and high measurement accuracy of MWD by mud pulse transmission system, by the combination of directional drilling with down-hole motor and rotary drilling technologies, the high drilling efficiency is achieved with smooth borehole wall, less cuttings and small borehole curvature.
出处 《探矿工程(岩土钻掘工程)》 2015年第1期12-16,共5页 Exploration Engineering:Rock & Soil Drilling and Tunneling
基金 "十二五"国家科技重大专项(编号:2011ZX05041-001) 陕西省2011年科技统筹创新工程计划项目(编号:2011KTCG-01-10)
关键词 煤矿井下 定向钻孔 无线随钻测量 地质导向 大功率定向钻机 复合定向钻进 underground coal mine directional borehole MWD by mud pulse transmission geo-steering drilling large power directional rig directional drilling combined with down-hole motor and rotary drilling power
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