Results 101 to 110 of about 284 (138)

Design and analysis of wideband antennas for borehole and surface ground penetrating radars: Application to soil moisture content measurements

, 2010
In civil engineering, the non destructive sounding of underground infrastructures (embankment, roads, bridges…) allows to monitor the structural integrity or adequacy during construction, and the detection of degradations of construction materials ...
Froumentin, Michel, Sagnard, Florence, Rejiba, Fayçal   +2 more
core   +2 more sources

Transient electromagnetic borehole logging

, 1986
G M Levy, J D McNeill
openaire   +1 more source

Drag-out effect of piezomagnetic signals due to a borehole: the Mogi source as an example

, 2007
We show that using borehole measurements in tectonomagnetic experiments allows enhancement of the observed signals. New magnetic dipoles, which vary with stress changes from mechanical sources, are produced on the walls of the borehole.
Mueller, R., Johnston, M. J. S., Hashimoto, T., Sasai, Y., Zlotnicki, J., Tanaka, Y., Utsugi, M., Sakanaka, S., Uyeshima, M., Yvetot, P.   +9 more
core  

Аналіз застосування електромагнітної дефектоскопії при контролі технічного стану обсадних колонн

, 2002
У дослідженні технічного стану механічних колон методами електромагнітної дефектоскопії відомі два напрямки побудови вимірювальних систем . Це - метод аналізу монохромного електромагнітного сигналу і метод імпульсного електромагнітного зондування ...
Прокопів, В. І., Винничук, Г. С., Старостін, В. А.   +2 more
core  

Borehole (transient electromagnetic) scale modeliing

, 1986
Smelic, Andrew
core  

Transient electromagnetic (TEM) borehole scale modelling

, 1984
Parums, Robert
core  

Novel Transient Electromagnetic Borehole System for Reservoir Monitoring

SPE Annual Technical Conference and Exhibition, 2011
Abstract In this paper we describe a novel transient electromagnetic borehole system for reservoir monitoring that has important advantages over existing borehole electromagnetic technology. This work is based on computer simulations of waterflooded reservoir models that demonstrate the effectiveness of this technology for reservoir ...
Sushant M. Dutta, Arcady Reiderman, Larry G. Schoonover, Michael B. Rabinovich   +3 more
exaly   +3 more sources

Novel Borehole System for Reservoir Monitoring Using Transient Electromagnetics

SPE Middle East Oil and Gas Show and Conference, 2011
Abstract In this paper, we describe a novel transient electromagnetic borehole technology for reservoir monitoring that has important advantages over existing borehole electromagnetic methods. This work is based on computer simulation of a waterflooded reservoir model that demonstrates the efficacy of this technique for reservoir ...
Sushant M. Dutta, Arcady Reiderman, Larry G. Schoonover, Michael B. Rabinovich   +3 more
openaire   +2 more sources

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Surface-borehole transient electromagnetic response analysis of spherical conductor

2021 International Conference on Electronic Information Engineering and Computer Science (EIECS), 2021
Surface-borehole transient electromagnetic method is an effective deep geophysical exploration method, which is often used to survey metal deposits. The ore body nearby the borehole is the most important exploration target of surface-borehole transient electromagnetic method.
Guoyuan Han, Zhigang Wang, Yao Lu, Qingxin Meng   +3 more
exaly   +2 more sources

Research on Transient Electromagnetic Response of Magnetic Source in Borehole

Chinese Journal of Geophysics, 2011
AbstractThe transient electromagnetic exploration in borehole is a full space geophysical problem. The Gaver‐Stehfeest inverse Laplace transform is used to theoretically calculate the transient electromagnetic response in the receiver loop. And the effects of the parameters of the borehole mud, metal casing, the cement sheath and the formation on ...
Bao-Long Guo
exaly   +2 more sources