【7A文】水平井增产措施（分段压裂）.ppt

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1、SurgiFracSM(SurgicalFracturing外科手术一样的压裂)外部压裂HorizontalWellStimulation水平井增产措施OutlineWhatisSurgifrac?—什么是Surgifrac？ChallengesofHorizontalfracturing—水平压裂的挑战OverviewofTechnology-Howitworks—技术概述-工作流程CaseHistories–Proofthatitworks—实例-证明其作用Questions—问题SurgiFrac–Whatisit?什么是分段压裂？Apatentedmethodtoaccu

2、ratelyplacemanyfracturesinawell(horizontalorvertical)oftenwithoutrequiredmechanicalseals(packers)—在井内进行精确压裂的专利方法（水平或垂直）通常不要求机械密封（封隔器）Sealingdonedynamicallyusingvelocity(Bernoulli)—动力密封用速度TheonlymethodusableinPre-perforatedliners—唯一可用于射孔前尾管的压裂方法Allperforationscommunicatetothefracture—所有射孔通道和和压

3、裂裂缝相连Proppantoracidfracs—支撑剂或酸化压裂CoiledTubingorJointedPipe—连续油管或连接管Instantaneousdownholefluidconcentrationmodificationfromsurface即时从地面改变浓度MultipleFracsinMultilaterals—多底井中多次压裂CommonAssumptionAssociatedwithHorizontalCompletions:与水平完井作业相关联的假定“Completingwithlonghorizontallateralswillavoidtheneed

4、forexpensivestimulationtreatments…”—水平井有长的水平井段可免除昂贵的增产措施…or“Inopenholehorizontals,currentfracturingtechnologyistooexpensiveorhasverylimitedeffectiveness…”—在裸眼水平井中，现时压裂技术太昂贵或作用很有限…Challenges挑战DamageRemoval移除损害VerticalPermeability垂直渗透性Depletion能量损失程度Complexity/Risk复杂性/风险Cost费用1600maxTypicalImpl

5、ementations典型实施ooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooMultiplefracsinpre-perfedlinerMultiplefracsinopenholeMulti-LateralIdealisticConceptofResultforLongitudinalHydraulicFractures(AlongWellboreAxis)纵向液压压裂结果的理想概念（井眼轴同平行）

6、IdealisticConceptofResultforTransverseHydraulicFractures(PerpendiculartoWellbore)横向液压压裂结果的理想概念（与井眼垂直）ThisisWhatYouWant这是你想要的MostCommonResultforOpenholeHydraulicFracturing—最常用裸眼井液压压裂LongitudinalHydraulicFractures(AlongWellboreAxis)纵向液压压裂（与井眼轴同步）TransverseHydraulicFractures(PerpendiculartoWellb

7、ore)横向液压压裂（与井眼垂直）Time时间WellborePressure井眼压力PumpRate泵级PropConc.FracBHPressureBehavior—压裂BH压力性能ConventionalFracInitiationPressureResponse常规压裂初始压力反应SurgiFracWellborePressureResponse分段压裂井眼压力反应SixSurgiFracWaterfracsperformedconsecutivelyforanOpenh