| 用双侧向测井响应求取地层参数的Newton－SVD反演方法 |
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| 引用本文： | 杨韡,刘国强,冯启宁,尚作源,傅有升,唐永福.用双侧向测井响应求取地层参数的Newton－SVD反演方法[J].地球物理学报,1996,39(Z1):357-363. |
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| 作者姓名： | 杨韡 刘国强 冯启宁 尚作源 傅有升 唐永福 |
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| 作者单位： | 1. 石油大学地球科学系, 北京 102200;
2. 大庆测井公司绘解计算站, 大庆 163412 |
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| 基金项目： | 中国石油天然气总公司“九五”重点课题;博士后基金 |
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| 摘 要： | 针对测井中经常遇到的完全非均匀的地层模型，利用深、浅双侧向测井的视电阻率曲线作为约束条件，给出了反演侵入半径ｒｉ、原状地层电阻率Ｒｔ、上（下）围岩电阻率Ｒｓｕ（Ｒｓｄ）的Ｎｅｗｔｏｎ－ＳＶＤ反演方法．数值模拟表明这一方法是可行的，经实际资料处理．说明该方法实用．
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| 关 键 词： | 双侧向测井 反演 Newton－SVD反演方法 偏微分方程反问题 |
| 收稿时间： | 1995-12-07 |
A NEWTON-SVD INVERSION METHOD OF USING THE RESPONSES OF DLL TO SOLVE FORMATION PARAMETERS |
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| YANG WEI,LIU GUO-QIANG,FENG QI-NIGN,SHANG ZUO-YUAN,FU YOU-SHENG,TANG YONG-FU.A NEWTON-SVD INVERSION METHOD OF USING THE RESPONSES OF DLL TO SOLVE FORMATION PARAMETERS[J].Chinese Journal of Geophysics,1996,39(Z1):357-363. |
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| Authors: | YANG WEI LIU GUO-QIANG FENG QI-NIGN SHANG ZUO-YUAN FU YOU-SHENG TANG YONG-FU |
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| Affiliation: | 1. Petroleum Uniuersity, Beijing 102200, China;
2. Computing Center of Daqing Well Logging Corporation, Daqing 163412, China |
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| Abstract: | In this paper,for an axially symmetric 2-D model consisting of radially and vertically Inhomogeneous layers widely used for well logging formation evalution,using the deep and shallow apparent resistivity curves as constraint conditions,we have given a Newton-SVD inversion method for invaded radius of invasion,uninvaded zone resistivity Rt,upper and lower resistivity Rsu, Rsd. Numerical simulation shows the method is correct,dealing with the real well logs data shows the method is practical useful. |
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| Keywords: | Dual lateral logging Inversion methos Newton-SVD inversion method Inversion problem of partial differential equation |
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