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页数:5页
时间:2019-05-14
《涪陵地区页岩气山地“井工厂”钻井技术》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第43卷第3期石油钻探技术Vo1.43NO.32015年5月PETROLEUMDRILLINGTECHNIQUESMay.2015●钻井完井doi:10.1l911/syztjs.201503009涪陵地区页岩气山地“井工厂’’钻井技术周贤海,臧艳彬(1.中国石化江汉油田分公司地质工程设计监督中心,湖北潜江433124;2.中国石化石油工程技术研究院,北京100101)摘要:涪陵页岩气田地处山地,环境复杂,井场面积受限,钻前与钻井施工组织难度大、成本高。为此,借鉴国外页岩气工厂化流水作业理念,针对涪陵山地特点及页岩气地质与开发特征,开展了涪
2、陵山地“井工厂”井网部署和井眼轨道设计、井间快速移动钻机改造、工厂化钻井作业流程设计、批量化作业方案设计等方面的研究,形成了适应涪陵山地特点的页岩气“井工厂”钻井技术。在JY3O和JY28平台的应用表明,涪陵地区页岩山地“并工厂”钻井技术具有提高钻机作业效率、缩短建井周期、提高资源综合利用率和降低废液排放量等技术优势,并保障了涪陵页岩气井4井式平台当年完成建平台、开钻、完钻、压裂试气和投产目标的实现,对国内类似页岩气区块的开发具有借鉴意义。关键词:页岩气井工厂钻井山地涪陵地区中图分类号:TE249文献标志码:A文章编号:l。0卜O89O(2
3、0l5)O3—0045—05Applicationof“WellFactory’’DrillingTechnologyintheFulingShaleGasFieldZhouXianhai,ZangYanbin(1.GeologicalEngineeringDesign&SupervisionCenter,JianghanZfieldCompany,Sinopec,Qianjiang,Hubei,433124,Cina;2.SinopecResearchInstitute0fPetroleumEngineering,Beijing,1001
4、01,China)Abstract:Sinopec’SFulingshalegasfieldiSlocatedinacomplexmountainousenvironmentandthepre—drillinganddrillingoperationsaredifficultandcostlyduetowellsitelogistical1imitations.Basedontheconceptsofthe“wel1factory”processusedinshalegasdevelopmentabroad.andconsideringth
5、eter—rainandthegeologicanddevelopmentcharacteristicsofshalegasreservoirsintheFulingArea,investiga—tionsintothedeploymentof“wel1factory”wellpatterns,welltrajectorydesign,modificationoffast—mov—ingrigs,designofthewel1factorydrillingprocess。andthedesignofbatchoperationschemew
6、erecarriedout.Byresearching“wellfactory”technologysuitableforshalegasdrillinginFulingAreawasformed.ItsapplicationinPadJY3OandJY28showedthatthistechnologycouldhelpincreaserigoperationefficiency,shortenthewellconstructioncycle,improvethecomprehensiveutilizationrateofresource
7、s.andreducefluidwastedischargeinFulingArea.Inaddition,platformconstruction,drilling,completion,fracturing,welltestingandproductioninitiationwerecompletedinthesamecalendaryearforatypica1four—wellpadintheFulingArea.Alltheseresultscanprovidereferenceforthedevelopmentofothersi
8、milarshalegasfieldsinChina.Keywords:shalegas;wel1factory;drilling;mountainousterrain;Fuli
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