乌南油田N2^1油藏储层“四性”关系研究.pdfVIP

断 块 油 气 田 2008年7月 FAUL1r_B【DCK OIL＆GAS nEI 第l5卷第4期 文章编号：1005—8907{2008)04-056-04 乌南油田N2’油藏储层“四性关系研究 赵为永 陈宏民2 李松东2 梁 虎2 邓生青t (1．青海油田公司勘探开发研究院，甘肃 敦煌 736202；2．中国石油集团浏井有限公司青海事业部，甘肃 敦煌 736202) 摘 要 乌南油田N2‘油藏储层主要为三角洲相沉积，储层岩性以粉砂岩和细砂岩为主。储层岩相、岩性、物性的差异 控制了油藏的富集程度。在岩性、岩相相同的情况下。含油性取决于物性的好坏。通过对测井、测试、岩心分析化验及水分析 资料等的整理及储层“四性”关系研究，建立了测井资料参数处理解释模型。确定了N2 油藏油气水层解释标准，提高了解释 符合率。对相邻区块的测井解释也有指导意义。 关键词 鸟南油田；N2‘油藏；四性关系；测井解释 中圈分类号：IIE122．2 3 文献标识码：A 4-property relationship study on N2l reservoir in Wunan Oilfield ZhaoWelyong(ExplorationmidDevelopmentResearchInstitute,Q~ghaiOilfieidCompany,CNPC,D哪_hum-g736202,China)， ChenHonsmin，IASongdong。eta1． N2 reservoir of Wunan Oilfield is of mainly delta front subfaeies．The lit}lology consists m dy of sihstone and fine sandstones． The difference between lithofacies,lithology and physical property of the reservoirs govern the oil and gas accumulation leveL Under the same lithology and lithofacies conditions,the oil-bearing saturation depends on the difference of physical propetty．With the analysis of the lnsgins data,the production testing data,the COre data,the water analysis data as well as the study of 4-preperty Oithology,electricalproperty,petm-phys~Mproperty and oil-hearinsproperty)relations ofthe N2lreservoir,themodel ofwelllog- ginsdataprocessingandinterpretation has been establishedandthewellbgginsinterpretation standard has been determined．The coincidence rate of the oil gas-bearing formations has been also increased．The results of the study have important guiding signifi- canoe for the well logging interpretation of adjacent structures． Keywords：WunanOilfield,N2 reservoirs,4_pmpettyrelationship，well|ogginsinterpretation．