综合运用地震反演及测井资料建立单砂体骨架模型.PDF

综合运用地震反演及测井资料建立单砂体骨架模型 吕晓光；张学文；刘合年；吴 蕾；SihmanMarmosuwito 中国石油天然气勘探开发公司 摘要：在油田开发早期阶段，首批开发钻井结束后综合应用地质、电测井和波阻抗反演成果进行了精细地层对比，识别单砂体并确 定井间边界，提出了建立单一河道砂体骨架模型的方法和途径，并提取了有关宽度、宽厚比等参数。与试井解释及同类型河道砂相 关露头研究成果相比较，证实了该单砂体模型具有较好的合理性。将单砂体模型应用于井间加密钻井获得 了成功。以该模型为基 础，建立了三维油藏模型，优化了水平井钻井设计，成功地钻穿了预测的河道砂体，水平段钻遇率达到84.7%。 单一河道砂体；井间边界；波阻抗反演；骨架模型；加密钻井；水平井设计；三维油藏模型 中图分类号:TE13 文献标ja码:A Developmentofsingle-channelsandbodyframeworkmodelby integratingseismicinversionandwelldata LuXiaoguangl ZhangXuewenl LiuHenian2 WuLej2 SihmanMarmosuwitol (1.ChinaNationalOil-GasEz-plorationandDevelopmentCorporation,Beijing100034,China; 2.PetroChinaExplorationandDevelopmentResearchInstitute,Beijing100083,China) Abstract:Themodelingmethodandproceduresforsinglechannelsandbodyframeworksuitableforoilfielddevelopmentintheearly stageafterdrillingfirstbatchdevelopmentwellswerediscussed.Themodelingmethodsincludedetailedreservoircorrelation,identi- fyingofsinglesandbodyanddeterminationofinterwellboundarybyintegratingdataofgeology,electricloggingandacousticimped- anceinversion.Thequantitativegeologicalparameters,suchaswidthofsingle-channelsand,rationofwidthtothickness,wereex- tracted.Comparedwiththeresultsfrom welltestinterpretationandoutcropstudywithsimilardepositionalcharacteristics,thesingle channelframeworkmodelisvalid.Thisframeworkmodelwassuccessfullyusedtodrillofanew infillingdevelopmentwell.A3-D reservoirmodelwasdevelopedonthebasisoftheframeworkmodelandfurtherutilizedtooptimizethedesignofhorizontalwell.The predictedchannelsandbodywaspenetratedwiththeencounteringchannelsandrateof84.7% inthehorizontalsection. Keywords:single-channelsandbody;interwellboundary;seismicacousticimpedanceinversion;frameworkmodel;infillingdrilling; horizontalwelldesign;3-Dreservoirmodel 印尼苏门答腊某区块的主要油田为复杂断块、复 确定性建模通常采用露头研究n]、密井网资料结 杂油水分布的气顶油环油藏。其油、气储层以低弯度 合开发动态