Source modification for efficiency enhancement of marine controlled-source electromagnetic method
نویسندگان
چکیده
منابع مشابه
Special Section — Marine Controlled-source Electromagnetic Methods an Introduction to Marine Controlled-source Electromagnetic Methods for Hydrocarbon Exploration
Early development of marine electromagnetic methods, dating back about 80 years, was driven largely by defense/military applications, and use for these purposes continues to this day. Deepwater, frequency-domain, electric dipole-dipole, controlled-source electromagnetic CSEM methods arose from academic studies of the oceanic lithosphere in the 1980s, and although the hydrocarbon exploration ind...
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We review and describe the electromagnetic transmitters and receivers used to carry out magnetotelluric and controlled source soundings in the marine environment. Academic studies using marine electromagnetic methods started in the 1970s but during the last decade these methods have been used extensively by the offshore hydrocarbon exploration industry. The principal sensors (magnetometers and ...
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A solid-state microwave generators system is considered as an alternative to the magnetron, in order to inject electromagnetic energy into the cavity of a microwave oven for domestic use. Over current devices, the use of solid state technology allows to control the frequency and phase of the electromagnetic field generated. Considering a simplified cavity with 2 solid state sources, the influen...
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When exploiting independent component analysis (ICA) to perform blind source separation (BSS), it is assumed that sources are mutually independent. However, in practice, the latent sources are usually dependent to some extent. Fortunately, if the sources are the same type of natural signals, they may be mutually independent in some frequency band, and dependent in other band. It is possible to ...
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Controlled Source Electromagnetic (CSEM) is an important technique in hydrocarbon exploration, because it uses the large contrast in electrical resistivity to distinguishes between water and hydrocarbons. In a shallow sea environment, the airwave that is refracted from the air-water interface dominates the recorded signal at large offsets. Therefore, the hydrocarbon detection ability of the CSE...
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ژورنال
عنوان ژورنال: Journal of Geophysics and Engineering
سال: 2021
ISSN: 1742-2132,1742-2140
DOI: 10.1093/jge/gxab011