过套管电阻率测井刻度装置关键技术研究-测试计量技术及仪器专业论文.docxVIP

中文摘要论文题目： 中文摘要 论文题目： 过套管电阻率测井刻度装置关键技术研究 专 业： 测试 硕士生： 王 指导教师： 张家 摘要 过套管电阻率测井是通过测量套管上的三个电极间微小电压降来计算地层的漏电 流，从而得出地层的视电阻率，它可以用来确定剩余油饱和度、识别死油气层、评价油 层水淹情况、监测流体饱和度等方面。而对过套管电阻率测井仪进行刻度，保证测量数 据的准确性和科学性。 本设计详细介绍了过套管电阻率测井刻度装置的总体方案，介绍了三电极法过套管测 量地层电阻率的原理，分析了金属套管的传输线模型，分析了实际测井时的影响因素； 此外，设计了过套管电阻率测井刻度装置的信号调理电路和信号采集电路，并通过实测 数据验证了电路的性能。 对过套管电阻率测井刻度装置进行了深入研究，通过精密电阻阵列完成了漏电流的刻 度，通过刻度水池完成了电阻率的刻度，最后结合理论分析和实验给出了刻度装置的拟 合方程，验证了刻度装置的现实方案是可行的。 关键词：过套管电阻率测井信号调理信号采集数据处理刻度装置 论文类型：基础研究 n ? 、、 4 Subject：Study Subject：Study on key technology in through—casing resistivity logging calibration facility Specialty：MeasuringTesting Technology and Instrument Name： wang hua(si Instructor： Zhang Jiati ABSTRACT The cased hole formation resistivity logging technique is mainly applied to calculate the leaked current of the target layers by measuring the weak voRage drop on the casing between the three electrodes，thus obtain the strata of apparent resistivity,it Call be used to confirming the saturation of remaining oil，identifying dead oil and gas formation,evaluating flooded oil layers．monitoring the saturation of fluids，etc．and by scaling the casing resistivity logging， guarantee the accuracy and scientific of measured data． This paper introduces in detail the overall scheme of the casing resistivity logging calibration facility and the measurements principle of the three electrode method of the casing fort．nation resistivity,and analyzes the metal casing transmission line model and the influencing factors in actual logging；moreoverthe paper also design the signal regulate circuit and the signal acquisition ckcuit of the casing resistivity logging calibration facility, and prove the circuit performance through the measured data· The casing resistivity logging calibration facility is studied in depth,and through the precise r．esistance array completed the leakage current scale，and the calibration pool completed resistivity scale。finally,based on the theoretical analysis and experimental,regression e