层状各向异性地层三维感应测井响应快速反演  

A Fast Inversion Method of 3D Induction Logging Responses in Layered Anisotropic Formation

作　　者：张国艳 肖加奇 洪德成[2] 

机构地区：[1]中国石油长城钻探工程有限公司,北京100176 [2]吉林大学物理学院,吉林长春130012

出　　处：《测井技术》2013年第5期487-491,共5页Well Logging Technology

基　　金：国家十二五重大专项(2011ZX05020-004)电阻率多维成像测井技术与装备

摘　　要：三维感应测井仪器能探测到地层的水平电导率和垂直电导率信息,可以从三维角度识别地层特性,对薄储层、复杂储层的探测具有先天优势。利用测井响应主分量构造了与地层各向异性电参数、几何参数相关的目标函数,采用改进的阻尼型高斯一牛顿优化算法,实现了三维感应测井资料在砂一泥岩薄交互层的快速纵向一维反演。对含28个水平分层的Oklahona各向异性地层模型模拟测井资料进行反演计算,得到了令人满意的结果。3D induction logging tool can detect the horizontal conductivity and the vertical conductivity of the formation to identify formation characteristics, so it has an advantage of evaluating thinly laminated reservoirs. We constructed the objective function associated with anisotropic formation electrical parameters and geometric parameters using the primary components of 3D induction logging data. A fast, 1D vertically layered inversion is fulfilled by improved damping form of Gauss-Newton optimization technique in thin sand-shale alternating layers. The inversion result is obtained for the Oklahoma anisotropy formation model with 28 horizontal layers, the result is satisfactory.

关 键 词：三维感应测井 各向异性地层 测井响应 一维反演 高斯一牛顿优化 快速反演 

分 类 号：P631.84[天文地球—地质矿产勘探]