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ID:33339740
大小:1.27 MB
页数:7页
时间:2019-02-24
《我国煤层气钻井技术及装备现状与展望》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、中国煤炭期刊网www.chinacaj.net第46卷第4期煤炭科学技术Vol?46 No?4 2018年4月CoalScienceandTechnologyApr?2018 我国煤层气钻井技术及装备现状与展望1ꎬ21ꎬ2郝世俊ꎬ张晶(1?煤炭科学研究总院ꎬ北京 100013ꎻ2?中煤科工集团西安研究院有限公司ꎬ陕西西安 710077)摘要:结合煤层气钻井经验及钻井项目调研ꎬ总结了煤层气钻井技术与装备现状ꎬ空气钻井、复合钻井、精确对接、地质导向、屏蔽暂堵、欠平衡钻井等先进技术ꎬ以及高低搭配的浅层油气井钻机
2、与全液压车载钻机、无线随钻测量系统与地质导向系统等钻井装备的研究和推广应用ꎬ提高了钻井效率ꎬ推动了煤层气产业的发展ꎬ为煤矿安全生产提供了重要保障ꎮ以降低煤层气开发综合成本为目标ꎬ阐述了快速移动钻井装备研发应用、国产地质导向技术与装备研究与推广、煤储层伤害控制技术推广应用、区域适应性优快钻井技术研究与完善、地面井下联合抽采钻井技术不断探索应用等是下一阶段煤层气钻井技术与装备的发展方向ꎮ关键词:煤层气ꎻ钻井技术ꎻ钻井装备ꎻ优快钻井中图分类号:TE242ꎻTD41 文献标志码:A 文章编号:0253-23
3、36(2018)04-0016-06StatusandprospectofcoalbedmethanedrillingtechniqueandequipmentinChina1ꎬ21ꎬ2HAOShijunꎬZHANGJing(1?ChinaCoalResearchInstituteꎬBeijing 100013ꎬChinaꎻ2?CCTEGXi’anResearchInstituteꎬXi’an 710077ꎬChina)Abstract:Accordingtothecurrentexplorationand
4、developmentofcoalbedmethane(CBM)inChinaꎬbasedontheexperienceinCBMdrillingandinvestigationontherecentCBMprojectsꎬthepresentstatusofCBMdrillingtechniqueandequipmentwasanalyzed.Theanal ̄ysisindicatesthattheCBMdrillingtechniquesystemhasbeenformedꎬincludingverti
5、calwelldrillingtechniquewhosecoresareairdrill ̄ingandcombineddrillingtechnologiesꎬclusterwelldrillingtechniquewhosecoreisdirectionaldrillingꎬhorizontalwelldrillingtechniquewhosecoreisGeo-steeringtechnologyandthegasreservoirdamagecontrollingtechniquewhosecor
6、esareunderbalanceddrillingtechnolo ̄gyandshieldingtemporarypluggingtechnology.Thedrillingequipmentsystemhasbeenformedaswellꎬwhichmainlyincludesshallowoilandgasrigsꎬfull-hydraulicmobilerigsꎬwirelessmeasurementsystemwhiledrillingandGeo-steeringsystem.Thefutur
7、edevelopmentdi ̄rectionofCBMdrillingtechniqueandequipmentwasthenstatedalongwhichfastmobiledrillingequipmentꎬdomesticGeo-steeringtech ̄niqueandequipmentꎬcoalreservoirdamagecontrollingtechniqueꎬoptimalandfastdrillingtechniquewithregionaladaptabilityandwelldril
8、lingtechniqueassociatedwithcombinedCBMdrainagebybothsurfaceandundergroundboreholesshouldbestudiedꎬusedandpopu ̄larizedtomeetthegoalsofloweringthetotalcostofCBMdevelopment.Keywords:coalbedmethaneꎻdrillingtechni
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