深井地面钻孔排水井设计与施工技术在矿建工程中的应用

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中图分类号：TE245 文献标志码：A 文章编号：2095-2945（2026）03-0170-04

Abstract：Inordertoimprovethedrainagecapacityofthemine，itisnecessarytobuilddepandgrounddrillngdrainage wellsfor mineconstructionprojects.Thispaperusescaseanalysis methodandtakesacoalmine projectunderalarge mining groupasanexampletodiscussthedesignandconstructiontechnologyapplicationmethodsofdeepwellgroundborehole drainagewell.Thesingle-axialstressdesignmethodisusedtodesignthedrainagewell，thelifting methodandthebuoyancy methodarecombinedtoimplementthecasing sinkingoperation，andtheinnercannulaopeningsealing methodisusedto implementthecementingoperation.Theresultsshowthatusingthismethodtobuildadeepwellsurfacedrilingdrainagewel foramieconstructionprojectcanensurethequalityandeficiencyofdillng，realizerapidandsafesinkingofthetube，build adrainagewellwithgooddrainageperformance，andeficientlyandpromptlydraindep waterinthecoalmine，therebyensuring the smooth development of coal resources.

Keywords：deepwell surfacedrillng drainagewell；miningconstructionengineering；casing sinking;caseanalysismethod; drainage performance

矿建工程中，深井地面钻孔排水井是煤矿深层开发时的有效排水方法。（剩余6013字）