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时间:2019-05-15
《塔河油田超深定向井KCI阳离子乳液聚磺钻井液技术》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4O卷第3期石油钻探技术VoL40NO.32012年5月PETROlEUMDRIIIINGTECHNIQUESMav,2012钻井完井doi:10.3969/j.issn.1001—0890.2012.03.015塔河油田超深定向井KC卜阳离子乳液聚磺钻井液技术王立锋,王杰东,冯纪成,陈亮,沈青云(1.中国石化华东石油局钻井工程公司,江苏镇江212009;2.中国石化西北油田分公司工程技术研究院,新疆乌鲁木齐830011)摘要:塔河油田超深定向井钻井主要使用聚磺混油钻井液,该钻井液虽然能满足超深定向井的钻井要
2、求,但无法满足环境保护和油气层保护的要求。因此,以阳离子乳液聚合物钻井液为基础,通过引入磺化材料提高其抗温性,加入KCl提高其抑制性,优选出了KCl一阳离子乳液聚磺钻井液。室内性能评价表明,KC1-阳离子乳液聚磺钻井液的高温润滑性、抑制性、稳定性与聚磺混油钻井液相当。现场应用表明,KCl_阳离子乳液聚磺钻井液能够满足塔河油田超深定向井的携岩、防塌、润滑和环保要求,可以替代聚磺混油钻井液,同样也适用于与塔河油田地质特征相似的超深定向井。关键词:超深井定向井乳化钻井液聚合物钻井液钻井液性能塔河油田中图分类号:TE2
3、54文献标识码:A文章编号:1001—0890(2012)03—0073—05KCI——CationicEmulsionPolymer-SulfonateDrillingFluidforUltra。DeepDirectionalWellinTaheOilfieldWangLifeng,WangJiedong,FengJicheng,ChenLiang,ShenQingyun(1.DrillingEngineeringCompany,SinopecEastChinaPetroleumBureau,Zhenjian
4、g,Jiangsu,212009,China;2.ResearchInstituteofPetroleumEngineering,SinopecNorthwestOilfieldBranch,Uru—mqi,Xinjiang,83001l,China)Abstract:Polymer-sulfonateoi1一mixeddrillingfluidwasusedinultra—deepdirectionalwellsinTaheOilfield.Althoughthisdrillingfluidcanmeetth
5、erequirementofultra-deepdirectionaldrilling,itisunabletosatisfytherequirementsofenvironmentandreservoirprotection.Therefore,onthebasisOfcationicemulsionpolymerdrillingfluid,KC1一cationicemulsionpolymer-sulfonatedrillingfluidwasselectedbyin—troducingsulfonated
6、materialtoimprovethetemperatureresistance,addingKC1tOimproveitsinhibitoryproperties.LaboratoryperformanceevaluationshowedthatKC1-cationicemulsionpolymer-sulfonatedrill—ingfluidwassimilarwithpolymer-sulfonateoil—mixeddrillingfluidinhightemperaturelubricity,in
7、hibitionandstability.PracticalapplicationshowedKC1一cationicemulsionpolymer-sulfonatedrillingfluidcouldsat—isfytherequirementsofcuttingcarrying,anti-sloughing,lubrication,andenvironmentalprotectionofultra-deepdirectionalwellsinTaheOilfield,replacedpolymer-sul
8、fonateoil—mixeddrillingfluid,andwassuitableforultra—deepdirectionalwellsinsimilargeologicalconditionswithTaheOilfield.Keywords:ultra—deepwell;directionalwell;emulsiondrillingfluid;polymerdrillin
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