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| 基于沃尔什变换的电测井曲线分层算法 | |
| 引用本文： | 王萍,臧玉卫,马刚,刘丹红.基于沃尔什变换的电测井曲线分层算法[J].计算机应用,2008,28(Z2). |
| 作者姓名： | 王萍 臧玉卫 马刚 刘丹红 |
| 作者单位： | 1. 天津大学理学院,天津,300072 2. 天津大学北洋科技开发有限公司,天津,300072 3. 上海同济大学软件学院,上海,200433 |
| 基金项目： | 天津市科技发展计划资助项目 |
| 摘 要： | 根据电测井曲线可以了解地层构造.为了找出含水砂层,基于人工分层的原理,采用沃尔什变换对电测井曲线进行计算机自动分层,将地下土层分为含水层和隔水层.给出了层界点判断算法,尤其对难以确定的下降终止点判断算法进行了深入分析.另外,对不同截止列率下的分层结果进行了对比.结果表明选取适当的截止列率是影响分层效果的关键因素,在合适的截止列率下的分层效果比较接近人工分层的结果. |
| 关 键 词： | 沃尔什变换 电测井曲线 分层算法 截止列率 |
Stratifying algorithm of electric well logs based on Walsh transform |
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| WANG Ping,ZANG Yu-wei,MA Gang,LIU Dan-hong.Stratifying algorithm of electric well logs based on Walsh transform[J].journal of Computer Applications,2008,28(Z2). | |
| Authors: | WANG Ping ZANG Yu-wei MA Gang LIU Dan-hong |
| Affiliation: | WANG Ping1,ZANG Yu-wei2,MA Gang3,LIU Dan-hong1( 1.School of Science,Tianjin University,Tianjin 300072,China,2.Tianjin University Beiyang S&T Development Company Limited,3.School of Software,Tongji University,Shanghai 200433,China) |
| Abstract: | The stratigraphic structure can be learned according to electric well logs.To find water-bearing sand stratums,the Walsh transform was used to do automatic stratification with computer on electric well logs based on the principle of artificial stratification and stratified the stratums into water-bearing stratums and water-resisting ones.An algorithm was proposed to judge the points of layer boundary and the judging algorithm of the descending termination points which was proved to be difficult to locate wa... |
| Keywords: | Walsh transform electric well logs stratifying algorithm cut-off sequency |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |
