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요약정보
套管井地层电阻率测量的不规则水泥环影响
Resource Type
Academic Journal
Authors
张亮
;
侯庆宇
;
王洪亮
;
于天芳
;
谢伟彪
;
吴立峰
;
董文彬
Source
石油天然气学报 / Journal of Oil and Gas Technology
. 35(5):75-78
Subject
套管井
地层电阻率
测井
水泥环
传输线方程
Language
Chinese
ISSN
1000-9752
Online Access
Find it @ DONGA
초록
以前基于传输线模型分析套管井水泥环影响时,一般假设水泥环是均匀规则分布的,但实际往往是不规则分布.基于传输线数值算法,模拟和分析了不规则水泥环的过道套管电阻率测井响应.研究表明:不规则水泥环对地层视电阻率测量结果会有较大的影响;高阻水泥环会引起明显的测量误差;水泥环厚度变化对地层视电阻率也有明显影响,特别是对低阻地层的影响,且理论上对高阻地层视电阻率的影响也不可忽略.
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