油井管6-塔里木油田三超气井试油与完井井筒及管柱面临的挑战与对策

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1、第五届宝钢学术年会塔里木油田三超气井试油与完井井筒及管柱面临的挑战与对策WellEvaluationandTubularStringMechanicsfor3-UltraWellsinTarimBasin西安石油大学机械工程学院教授固体力学博士窦益华yhdou@vip.sina.com,13909183925,029-88382617（P.M）、85277851（A.M）塔里木油田三超气井试油与完井井筒及管柱面临的挑战与对策WellEvaluationandTubularStringMechanicsfor3-UltraWel

2、lsinTarimBasin��完井工艺特点及其复杂性PracticeandComplexity�井筒评价及管柱力学分析做法ApproachesandAchievements��经验与教训ExpertisefromExperience��面临的挑战与对策ChallengeandCourage塔里木油田三超气井完井工艺特点及其复杂性PracticeandComplexity（1）钻井复杂多ToughDrilling（2）联作（射孔-改造-试油-完井投产）WellTesting（Completing）IntegratedwithP

3、erforatingandStimulating（3）管柱复杂TaperedTubing（4）工具复杂LoadingProfileinfluencedbyParkersandSSSV（RTTS、THT、MHR、RH、HPH、FH、SAB-3、HQL、MCHR、K344）（5）大跨距、多封隔器SealedwithMultiIntermediateParkers（6）高泵压大排量大液量高砂比改造SRV塔里木油田三超气井复杂性之一ToughDrilling地面海拔：补心高：10.50m1623.36m20"×201.74m133/8

4、"套管分级26"×201.74箍：624.40m17m95/8"+97/8"1/2"×1000.00套管分级箍：m2002.85m9(5+7)/8"套管一级水泥侧钻点：返高：133/8"×3027.13920.00m2500.00m5m16"×3902.00m鱼顶位置：4021.13m落鱼长度：鱼底位置：56.69m7"套管喇叭口：4077.82m4265.98m1291/4"×4464.72(5+7)/8"×4504.0m0m125"套管喇叭口：1/4"×4506.19m5266.66m7"×(4265.98～5454.00

5、)m81/2"×5455.00m5"×(5266.66～5932.45)m57/8"×5981.00m41/8"×6145.00m塔里木油田三超气井完井井筒评价WellEvaluation井口悬挂器（套管挂）为此，必需评价各固井水泥石层套管及井口悬挂器、回接筒、分级箍等附各层套管件及固井质量评判井筒功能与要求回接筒等套管附件（1）密封性尾管悬挂器（2）抗内压强度（3）抗外挤强度人工井底Analysisofwornthicknessandresidualstrength狗腿、钻杆弯曲→钻杆与套管接触力钻杆旋转→摩擦力，做功摩擦功

6、→套管磨损（体积）月牙形磨损面积磨损“效率”磨损深度摩擦系数ηS=µN(60πDωT+NL)jtzjqxzgHbInnovativelyMadeExperimentFacilityandExperimentswithRevolutionaryDrillPipeSpecimen-CasingSpecimenInnovativelyMadeExperimentFacilityandExperimentswithRevolutionaryDrillPipeSpecimen-CasingSpecimen实验表明转盘转速在120r/mi

7、n以下时，钻杆-套管磨损效率几乎相同实验表明钻杆-套管之间的转动摩擦系数约0.25InnovativelyMadeExperimentFacilityandExperimentswithReciprocatingDrillPipeSpecimen-CasingSpecimen塔里木油田三超气井复杂性之射孔-测试-改造联作WellTesting（Completing）IntegratedwithPerforatingandStimulatingAdditionalcompressiveloadsresultedfromtempe

8、ratureincreaseduringflowingVibrationandDynamicLoadsinducedbyfluidsAdditionaltensileloadsresultedfromtemperaturedecreaseandballooningeffect