专利名称：Airborne electromagnetic (EM) survey
system
发明人：Miles, Philip J.,Berringer, Jason,Hodges,
David G.,Wofgram, Peter A.
申请号：AU2012204041申请日：20120709
公开号：AU2012204041B2公开日：20130620
摘要：#$%^&*AU2012204041B220130620.pdf##### Id: 1000006741 ABSTRACT OFTHE DISCLOSURE An airborne electromagnetic survey system for conducting geologicalmapping is disclosed. A transmitter closed loop structure is used in the system and isdesigned for connection to a towing airborne vehicle. The transmitter loop structurecomprises a plurality of interconnected loop segments, and transmitting means are fittedto at least one of the loop segments for generating and transmitting an earthboundprimary electromagnetic field effective for geological surveying. Sensing means are fittedto the loop segments for receiving and sensing a vertical component of a secondaryresulting electromagnetic field which arises from an interaction of the primary
electromagnetic field with ground bodies that are traversed by the sensing means, whilesimultaneously nulling the primary electromagnetic field. Helical sensing means arepositioned in close proximity to the transmitting means to receive and sense a horizontalelectromagnetic field contained in the secondary resulting field, while simultaneouslynulling the primary electromagnetic field.
申请人：Fugro Airborne Surveys Corp.
代理人：Freehills Patent Attorneys
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