煤矿采空区附近油气井稳定性保障防治关键技术研究

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中图分类号：P642 文献标识码：A 文章编号：2097-5465（2025）04-0028-09

1.Shaanxi Xiaobaodang Mining Co.，Ltd.，Yulin719302，China；2.Shaanxi Coalbed Methane Development Co.， Ltd，Xianyang 713509，China；3.Zhongjiao Hebei Civil Engineering Co.，Ltd，Shijiazhuang O51433，China

Abstract;Abstrct：Themainmethodtosolvethemutualinfluenceofminingintheoverlappingareaofcoalandilminingrightsisto setupcoalpillrseforemining.ThemethodfretainingcoalpilarswillresultinasignificantwasteofresoucesTisarticletaks the13220lworkingfaceofShanxi Xiaobaodang MiningCompanysNo.1coal mineasanexample，andusesMIDASnumerical simulationsoftwaretoconductathedimensioalgologicalmodelingofteintersetionetweentewokingfaceandtheilel，as wellasthetreatmentmeasures.Thegovernancemeasuresadoptajointinterventionmethodofaboveandbelowthewellinwhich presplitigdrillngisseduderodtostoyoalsaoofintegritdhangethssdistrbuiooftofndotectie wallsareusedabovethewelltoreducethesearandtensilefectsofsurfacemovemetonteoilandgaswellcombinationduringthe miningprocessof theworkingfceTheundergroundworkingfaceislocatedneartheoilwell，withaverticalupwardprespliing drilling hole of 70m ，and a18Om long protective wall isused on the ground.The numerical simulation results show that the joint manageent measuresofaboveandbelowthewellhavereducedthedisplacementanditeralforesofteoilwelltoasaferange， andthecasingoftheoilandgaswellisintactandnotaffctedbytheminingoftheworkingface，achievingsafeminingofcoaland oil and gas.This study can provide new ideas and methods for similar engineering problems.

Keywords：simultaneous extraction of gas；numerical simulation；joint management of above and below the wel

来稿日期：2024-11-13 DOI：10.13937/j.cnki.hbdzdxxb.2025.04.004

作者简介：王小勇（1974—），男，陕西富平人，硕士、高级工程师，研究方向为煤矿管理及生产工作;e-mail：17367772105@ 163.com。（剩余9649字）