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石油测井数据对调制噪声的响应
断块油气田
2007年 14卷 第02期
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Title
Respond of petroleum log data tomodulation noise
作者
邓 瑞1 王 恺2 张海博1 付海燕1 孔玉霞1 方 丽1
Authors
Deng Rui , W angKai, ZhangHaibo, et al.
单位
1 长江大学油气资源与勘探技术教育部重点实验室, 湖北荆州434023;
2 长江大学地球物理与石油资源学院, 湖北荆州434023
Organization
Key Laboratory of Oil& Gas Resources
and Exploration Technique of M inistry Education,
Yangtze University, Jingzhou 434023, China
摘要
石油测井面临的难题主要体现在数据传输和数据采集2个方面。随着测井仪器的日益成熟及测井数据精度要求的越来越高, 数据传输误差大的难题也就越来越突出, 而此前却一直未得到研究人员的重视。通过建立随机信号模型, 将噪声和信号以相乘的形式引入, 不
仅使信噪比大大提高, 还使总信号功率极大地得到提升, 从一定程度上解决了测井中信号的误差问题。
Abstract
The problem s o f the pe tro leum logg ing m a inly indw ell in
the data acq iusition and the data transm iss ion. W ith the
developm ent of the techno logy in logg ing instrum ent, m o re and
m ore prec ision logg ing data are acqu ired. At the sam e tim e,
the erro rs are m ore ev ident and m ore ev ident in da ta
transm ission. By establishing the random signal m ode l and
introduc ing the no ise and s igna l in the fo rm of the ir product,
signal- no ise ratio has been ra ised apparently and to ta l signa l
pow er has been prom oted greatly. The problem s o f signa l
errors in logg ing have been resolved to a certa in degree.
关键词：
石油测井 数据采集 调制噪声 朗之万方程 随机信号 信噪比;
Keywords:
petro leum logg ing, data acqu isition,
m odulation no ise, langev in equation, random signa,l signa lno
ise ratio.;
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