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3No.320083ShanxiCokingCoalScience&TechnologyMar.2008(),,,,;;;,,,(),,,,,,,,,,1,,,,,,1m3/h,,:3m,,,,,,,2,,,,2#10m,10m,,,,,,:1),,2m,2),,10m,,,,,,1,,,,;,,:19661988030053131),,2),3)1.5,,4),,,,5)425#,,,13,6)NaCl,0.5%,0.05%7)7,8),,,,,,2m,,9),,,:a),b),,c),,,,d),,,,,e),,2f),,,,,,,,,2m,10m,,2008-01-12ResearchontheFixed-drillTechnicsofHydrologicalGeologyDrillingDuChaominAbstractBeforethedrillingfallacrossOrdovician’sreceived-pressureaquifer,wemustdofixed-drill,thefixed-drillisthekeytocompleted-drill.Inprocessoftheprobing,authorresearchesfixed-drillstechnicsanddemandsinthearticle,putsforwardthenewviewpoint.KeywordsDrilling;Fixed-drill;Technics;Research0420083