摘要
利用电阻率测井理论和反演技术,以三参数(侵入带半径、侵入带电阻率、地层电阻率)反演为重点,在常规双侧向曲线反演技术的基础上,结合电成像测井资料,建立了一种基于电成像测井和双侧向测井的联合反演方法,即利用电成像测井探测深度浅且分辨率高的特性为双侧向反演提供精细的地层界面、产状和侵入带电阻率信息;运用双侧向测井资料进行迭代反演进一步得到侵入带半径和地层电阻率参数。实际测井数据的处理结果表明,本文提出的联合反演方法提高了双侧向反演结果及测井解释的精度,进一步提高了常规测井资料对油气储层的识别能力。
The joint inversion method based on electrical imaging logging and dual laterolog is established with the resistivity logging theory and the inversion technique, especially the inversion of three parameters （invasion radius, invasion resistivity and formation resistivity） , in which the electrical imaging logging can provide fine stratigraphic interface, attitude of stratum and invasion resistivity for dual laterolog due to its characteristics of small investigation radius and high resolution. By means of an iterative inversion with du-al laterolog data, the invasion radius and formation resistivity are obtained. The processing results of the actual logging data show that the proposed joint inversion improves the accuracy of dual laterolog inversion and weU logging interpretation, and further improves oil and gas reservoirs identification ability of conven-tional well logging data.
作者
黄琳
于增辉
柳杰
HUANG Lin YU Zenghui LIU Jie(COSL Well-Tech Division ,Sanhe ,Hebei 065201,China)
出处
《中国海上油气》
CAS
CSCD
北大核心
2017年第3期46-51,共6页
China Offshore Oil and Gas
基金
"十二五"国家科技重大专项"大型油气田及煤层气开发"课题"三维声波
油基泥浆电成像
二维核磁成像测井技术与装备(编号:2011ZX05020-005)"部分研究成果
关键词
电阻率测井
电成像测井
双侧向测井
联合反演
测井解释
储层识别
resistivity logging
electrical imaging logging
dual laterolog
joint inversion
well logging interpretation
reservoir identification
