影响RMT测井解释准确度的因素分析  

Influence Factors Analysis of RMT Log Interpretation Accuracy

作　　者：刘月萍[1] 郑希科[1] 李波[1] 

机构地区：[1]大庆油田有限责任公司测试技术服务分公司,黑龙江大庆163453

出　　处：《测井技术》2010年第4期382-385,共4页Well Logging Technology

摘　　要：RMT在反映油层水淹程度、指示产层出砂、识别含气层位、识别油水界面、确定堵水层位和再挖潜老井等方面获得了较好的效果。通过对RMT仪器在取心井的测井解释结果分析以及多年的现场应用总结，探讨了影响RMT测井资料准确性的因素。分析结果表明,C／O测井方法在厚层评价方面符合率达80％以上，薄层是影响解释精度的主要因素。RMT测井在地层厚度满足的条件下，孔隙度〉12％时，解释结果可靠；孔隙度在10％～12％之间，解释结果具有参考价值；孔隙度％10％时，解释结果应慎重应用。另外，多层合层、厚层未细分也影响RMT测井定性解释结论的准确性。为测井资料的准确应用提供了依据。RMT （Reservoir Monitor Tool） obtained good results in some applications, such as reflecting degree of reservoir flood, indicating sand production, identifying gas-bearing formation, identifying oil water contact, determining the water shut-off zone, and re-tapping old well potential. On the basis of log interpretation results analysis in core holes and multi-site applications of RMT logging, discussed are influence factors of interpretation accuracy of RMT logging. Analysis results show that interpretation agreement rate is more 80% to thick layer evaluation with C/ O log method, thin layer is main factor affecting interpretation accuracy. Under the condition of layer thick meeting the requirement in RMT log, when porosity is above 12%, the interpretation results are reliable;when the porosity is between 10% and 12 %, the interpretation results may be a reference; when porosity is blow 10%, the interpretation results should be carefully applied. On the other side, multi-layer assemble and thick layer un-subdivision are also factors affecting interpretation accuracy of RMT log. The analyses provided the basis for accurate logging data application.

关 键 词：测井应用 含油饱和度 脉冲中子测井 C/O测井 厚度 

分 类 号：P631.84[天文地球—地质矿产勘探]