Dynamic monitoring of coalbed methane reservoirs using Super-Low Frequency electromagnetic prospecting
详细信息 查看全文
- 作者：Nan Wang ; Qiming Qin ; qmqinpku@163.com" class="auth_mail ; Li Chen ; Yanbing Bai ; Shanshan Zhao ; Chengye Zhang
- 关键词：Coalbed methane ; Dynamic monitoring ; Super-Low Frequency ; Empirical mode decomposition ; Magnetotelluric (MT) ; Electromagnetic radiation (EMR)
- 刊名：International Journal of Coal Geology
- 出版年：1 July 2014
- 年：2014
- 卷：127
- 期：Complete
- 页码：24-41
- 全文大小：2719 K
文摘
- class="listitem" id="list_l9005">
- class="label">•
We extract electromagnetic radiation anomalies to dynamically monitor reservoirs.
- class="label">•
Electromagnetic radiation wave packets are used to identify 10 m reservoirs.
- class="label">•
Passive low frequency magnetic background amplitudes are calculated in theory.
- class="label">•
Polynomial fits are used to distinguish the stationary background field.
- class="label">•
Empirical mode decomposition and wavelet transform are combined in de-noising.