Acoustic-Wave radiations of mono-and dual-sources in poorly bonded cased boreholes: Modeling and field applications
S Xu - IEEE Transactions on Geoscience and Remote …, 2023 - ieeexplore.ieee.org
Measurement of formation acoustic properties from cased-hole acoustic logging is often
problematic when the casing is poorly bonded with formation. A dual-source technology has …
problematic when the casing is poorly bonded with formation. A dual-source technology has …
Wideband microwave sensor for downhole water-cut monitoring
In the petroleum industry, downhole water-cut loggings are essential for reservoir
management. Previously, most of them are based on permittivity measurements by low …
management. Previously, most of them are based on permittivity measurements by low …
[PDF][PDF] 瞬变电磁场穿过套管的过程与地层电导率测量
盛晓斐， 陈志东， 沈建国 - 地球物理学进展, 2022 - dsjyj.com.cn
摘要利用瞬变电磁法穿过铁磁性套管实现套管外地层电导率测量对许多工程问题具有重要意义.
实现该测量需要弄清瞬变电磁能量能否穿过套管, 如何穿过套管, 以及地层电导率信号如何耦合 …
实现该测量需要弄清瞬变电磁能量能否穿过套管, 如何穿过套管, 以及地层电导率信号如何耦合 …
[HTML][HTML] 套管井瞬变电磁响应波形中的地层电导率信息
盛晓斐， 陈志东， 沈建国， 沈永进 - 石油物探, 2022 - xml-data.org
瞬变电磁测井是测量套管外地层电导率的一种有效方法. 采用实轴积分法试算了套管井模型的瞬
变电磁响应, 不同源距响应波形的形状差异明显. 对同一源距, 将两种不同地层电导率的响应波形 …
变电磁响应, 不同源距响应波形的形状差异明显. 对同一源距, 将两种不同地层电导率的响应波形 …
Process of the transient electromagnetic field passing through the casing and the measurement of the formation conductivity
XF SHENG, ZD CHEN, JG SHEN - Progress in Geophysics, 2022 - en.dzkx.org
The measurement of formation conductivity outside casing by Transient Electromagnetic
(TEM) method through ferromagnetic casing is of great significance to many engineering …
(TEM) method through ferromagnetic casing is of great significance to many engineering …