Invention Grant
US09121966B2 Media displacement device and method of improving transfer of electromagnetic energy between a tool and an earth formation 有权
介质位移装置和改善工具与地层之间电磁能的转移的方法

Media displacement device and method of improving transfer of electromagnetic energy between a tool and an earth formation
Abstract:
A media displacement device has a body configured to be positioned radially outwards of a tool having an antenna for transmitting electromagnetic energy to or receiving electromagnetic energy from an earth formation. The body is made of materials causing less power loss to electromagnetic energy transmitted or received by the tool than the media the body is configured to displace.
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