[1]牒勇,仵杰,吕超英,等.阵列感应井眼校正中的一种快速正演方法[J].测井技术,2009,33(05):411-414.
 DIE Yong,WU Jie,LU Chao-ying,et al.A Fast Forward Method for Borehole Correction in Multi-array Induction Logging[J].WELL LOGGING TECHNOLOGY,2009,33(05):411-414.
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阵列感应井眼校正中的一种快速正演方法()
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《测井技术》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第33卷
期数:
2009年05期
页码:
411-414
栏目:
方法研究
出版日期:
2009-10-30

文章信息/Info

Title:
A Fast Forward Method for Borehole Correction in Multi-array Induction Logging
作者:
牒勇;仵杰;吕超英;张甜甜;
中国石油集团测井有限公司随钻测井仪器研究中心;西安石油大学光电油气测井与检测教育部重点实验室;中国石油集团测井有限公司测井仪器厂;
Author(s):
DIE Yong12WU Jie2LU Chao-ying3ZHANG Tian-tian1
1.Research Center of Logging While Drilling Tools,China Petroleum Logging CO.LTD.,Xi’an,Shaanxi 710061,China;2.Key Laboratory of Education Ministry for Photoelectric Logging and Detection,Xi’an,Shiyou University,Xi’an,Shaanxi 710065 China;3.Well Logging Instrument Plant,China Petroleum Logging CO.LTD.,Xi’an,Shaanxi 710061,China
关键词:
阵列感应测井井[校正快速正]电导率
分类号:
P631.84
摘要:
快速正演计算是阵列感应测井信号井眼校正计算的重要部分,井眼校正的计算方法是用高频短阵列的视电导率和测量信号非线性最小二乘法的匹配。提出了一种根据泥浆/地层电导率对比度和视电导率比值(有井眼的视电导率与均质视电导率之比)快速计算视电导率的方法。分析了均匀地层和径向非均匀地层视电导率的计算方法。模型计算表明泥浆和地层电导率的对比度与视电导率比基本呈线性变化。通过构造以对比度为参数的线性分段插值函数可快速计算出阵列感应的测井响应,既保证了计算精度,同时减少了井眼影响库的数据量。地层模型分析和实际测井资料处理证明该方法简单有效。

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更新日期/Last Update: 2009-10-30