| Issue |
ITM Web Conf.
Volume 11, 2017
2017 International Conference on Information Science and Technology (IST 2017)
|
|
|---|---|---|
| Article Number | 07004 | |
| Number of page(s) | 8 | |
| Section | Session VII: Control and Automation | |
| DOI | https://doi.org/10.1051/itmconf/20171107004 | |
| Published online | 23 May 2017 | |
Theoretical and Numerical Study of Seismoelectric Logs for Logging While Drilling (LWD)
High tech Zone(West), Chengdu, Sichuan, China Xi yuan Avenue, No. 2006, University of Electronic Science and Technology
a Corresponding author: sunxiangyang@uestc.edu.cn
When the acoustic field propagates in the porous medium, the electromagnetic wave can be induced by the seismoelectric effects which can be used in the logging. This paper studies the seismoelectric wave field and deduces the formulations of the acoustic and electromagnetic field of the liquid in the well, and gives the acoustic and electromagnetic boundary conditions between the driller collar and the log liquid, when the driller collar is added. We also do the numerical simulation of the seismoelectric wave field excited by monopole source, study the velocity dispersion characteristics of the acoustic and electromagnetic field, and investigate the detective depth of the seismoelectric logs. Through the simulation we know the seismoelectric logs can avoid the interference of drill collar wave. This paper also provides theoretical guidance for the design of receiving antenna.
© Owned by the authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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