随钻测试LWD-Service-CIPPE-Show-March-23-2011-PDF

贝克休斯公司随钻测井技术地质科学师：曹叶红2011年3月©2010BakerHughesIncorporated.AllRightsReserved.2贝克休斯随钻测井技术及发展Complexity©2010BakerHughesIncorporated.AllRightsReserved.3贝克休斯随钻测井工具系列OnTrakOnTrakTMTM–随钻自然伽玛和电阻率测井及钻井动态信息AziTrakAziTrakTMTM–随钻方位电阻率测井LithoTrakLithoTrakTMTM–随钻中子密度孔隙度测井SoundTrakSoundTrakTMTM–随钻声波测井TesTrakTesTrakTMTM–随钻地层压力测试器StarTrakTMTM––随钻高分辨率电阻率成像测井MagTrakTMTM––随钻核磁共振测井ZoneTrakTMTM––随钻钻头电阻率测井©2010BakerHughesIncorporated.AllRightsReserved.4贝克休斯公司随钻地层评价技术GeologicalInterpretationImagingPressureManagementWellborePlacementReservoirNavigationFluidSaturationReserveEstimatesRockQuality(k)FluidTypingGeologicalInterpretationImagingPressureManagementWellborePlacementReservoirNavigationFluidSaturationReserveEstimatesRockQualityFluidTyping©2010BakerHughesIncorporated.AllRightsReserved.5OnTrakOnTrakTMTM–随钻自然伽玛和电阻率测井AziTrakAziTrakTMTM–随钻方位电阻率测井LithoTrakLithoTrakTMTM–随钻中子密度孔隙度测井SoundTrakSoundTrakTMTM–随钻声波测井TesTrakTesTrakTMTM–随钻地层压力测试器StarTrakTMTM––随钻高分辨率电阻率成像测井MagTrakTMTM––随钻核磁共振测井ZoneTrakTMTM––钻头电阻率贝克休斯公司成像技术©2010BakerHughesIncorporated.AllRightsReserved.6贝克休斯随钻测井工具组合贝克休斯随钻测井工具组合BCPMAutoTrakG3双向通讯和导电模块AutoTrakG3导向短节ATKG3OnTrak™OnTrak传感器模块井筒压力4.7m(15.4ft)自然伽玛+自然伽玛成像5.0m(16.4ft)电阻率6.1m(20.0ft)方位7.8m(25.6ft)振动和粘滑7.8m(25.6ft)TesTrak™井斜1.0m(3.1ft)地层压力测试器LithoTrakTM体积密度+密度成像15.6m(51.2ft)井径校正中子孔隙度18.0m(59.0ft)井径16.0m(52.5ft)22.1m(72.5ft)45.0m(147.6ft)34.3m(112.5ft)核磁共振声波MagTrak™SoundTrak™©2010BakerHughesIncorporated.AllRightsReserved.7随钻测井©2010BakerHughesIncorporated.AllRightsReserved.8OnTrak–随钻自然伽玛和电阻率测井©2010BakerHughesIncorporated.AllRightsReserved.9第一趟钻第七趟钻第六趟钻第七趟钻随钻测井的时间推移响应电阻率侵入剖面—1天后电阻率：10↓8欧姆米含油饱和度:52%↓47%--5%第六趟钻第七趟钻电阻率侵入剖面—10天后电阻率：20↓13欧姆米含油饱和度:73%↓66%--7%第一趟钻第七趟钻©2010BakerHughesIncorporated.AllRightsReserved.10准确的ECD随钻评价可早期识别钻井风险，进行实时决策实时决策-ECD–井眼清洁©2009BakerHughesIncorporated.AllRightsReserved.©2010BakerHughesIncorporated.AllRightsReserved.11AziTrak–随钻方位电阻率测井©2010BakerHughesIncorporated.AllRightsReserved.12多传播电阻率工具响应模型但怎么知道边界在哪个方位?曲线分离表明工具正接近地层边界泥岩泥岩模拟OnTrak仪器响应©2010BakerHughesIncorporated.AllRightsReserved.13泥岩钻进方向的确定BottomTopTop泥岩层从上方靠近井眼泥岩层从下方靠近井眼泥岩©2010BakerHughesIncorporated.AllRightsReserved.14AziTrak™-层界面探测在OnTrak工具的基础上增加2个垂直于工具的接收线圈，则当工具旋转时可测量井周环境的方位信息©2010BakerHughesIncorporated.AllRightsReserved.15现场数据:在油藏中钻进正接近泥岩层RealTimeSignalOnTrakResistivityGammaRayImageAz.OnTrakImageAPR16sectors从上接近泥岩层(深色)信号强度变强top–bottom-toptop–bottom-top伽玛没有变化电阻率变小:正接近导电性地层©2010BakerHughesIncorporated.AllRightsReserved.16RealTimeSignalOnTrakResistivityGammaRayImageAz.OnTrakImageAPR16sectorstop–bottom-toptop–bottom-top信号变弱:正钻离泥岩现场数据:在油藏中钻进正远离泥岩层现场数据:在油藏中钻进正远离泥岩层©2010BakerHughesIncorporated.AllRightsReserved.17现场数据:在油藏中钻进再次接近泥岩层RealTimeSignalRealTimeSignalOnTrakResistivityGammaRayImageAz.OnTrakImageAPR16sectorstop–bottom-toptop–bottom-top伽玛没变化曲线轻微的分开信号强度变强:再次接近泥岩层©2010BakerHughesIncorporated.AllRightsReserved.18现场数据:进入泥岩–85米的预警RealTimeSignalRealTimeSignalOnTrakResistivityGammaRayImageAz.OnTrakImageAPR16sectorstop–bottom-toptop–bottom-top85meterwarningShaleSand在地层边界处信号最强3ohmm30ohmm©2010BakerHughesIncorporated.AllRightsReserved.19LithoTrak–随钻中子密度孔隙度测井©2010BakerHughesIncorporated.AllRightsReserved.20•井眼低边的密度测量值是否最准确?井壁间隙分级技术©2010BakerHughesIncorporated.AllRightsReserved.密度根据井壁间隙分级计算密度根据井壁间隙分级计算•伽玛按距井壁的距离分类计数和记录,共分6个级别•根据不同Bin记录的权重计算地层密度•Bin1:SO1/4”•Bin2:1/4”SO1/2”•Bin3:1/2”SO3/4”•Bin4:3/4”SO1”•Bin5:SO1”•Bin6:noreturnASOHatch1ASOHatch2ASOHatch3SourcePortFarDetectorNearDetector©2010BakerHughesIncorporated.AllRightsReserved.22Binning-技术对比©2010BakerHughesIncorporated.AllRightsReserved.23随钻测井与电缆测井的测量环境对比电缆测井随钻测井电缆测井需要校正泥饼随钻测井需要校正泥浆泥岩砂岩地层泥饼放射源短源距探测器长源距探测器泥浆©2010BakerHughesIncorporated.AllRightsReserved.24随钻测井与电缆测井的孔隙度对比LWDLWDLWDLWD准确的放射性测量值准确的放射性测量值©2010BakerHughesIncorporated.AllRightsReserved.25自然伽玛和密度成像的应用实例©2010BakerHughesIncorporated.AllRightsReserved.26方位井径井眼质量优©2010BakerHughesIncorporated.AllRightsReserved.27方位井径井壁垮塌及螺旋形井眼©2010BakerHughesIncorporated.AllRightsReserved.28StarTrak–随钻高分辨率电阻率成像测井©2010BakerHughesIncorporated.AllRightsReserved.29StarTrak测量电极©2010BakerHughesIncorporated.AllRightsReserved.30分辨率从3“直到0.25Lindsayetal.,2006,SPWLA高分辨率可有效降低不确定性©2010BakerHughesIncorporated.AllRightsReserved.31图像对比伽玛成像密度成像电阻率成像层界面薄层裂缝胶结层段©2010BakerHughesIncorporated.AllRightsReserved.32实时分辨率©2010BakerHughesIncorporated.AllRightsReserved.33高分辨率图像(内存)孔洞沿正弦波展布裂缝发育层理©2010BakerHughesIncorporated.AllRightsReserved.34裂缝、断层和孔洞2英尺©2010BakerHughesIncorporated.AllRightsReserved.35交错层理©2010BakerHughesIncorporated.AllRightsReserved.36电阻率曲线上没有变化自然伽玛©2010BakerHughesIncorporated.AllRightsReserved.37沉积分析–了解沉积特征在大斜度井/水平井中©2010BakerHughesIncorporated.AllRightsReserved.38构造研究2D/3D模拟和地质导向©2010BakerHughesIncorporated.AllRightsReserved.39地质力学研究Geomechanicalstudy,UKSPE105808ElectricalImageStaticNormalizedElectricalImageDynamicNormalized©2010BakerHughesIncorporated.AllRightsReserved.40Whobenefitsfromboreholeimagedata?-Structure-Rockfabric/Lithofacies-DepositionalEnvironment-Correlation-Volumetrics-Sedimentdispersal(fairways-Compartmentalisation.GEOLOGY-I