发明授权
US06900639B2 Electromagnetic method and apparatus for determining the nature of subterranean reservoirs using refracted electromagnetic waves 失效
用于使用折射电磁波确定地下储层的性质的电磁方法和装置

Electromagnetic method and apparatus for determining the nature of subterranean reservoirs using refracted electromagnetic waves
摘要:
A system for investigating subterranean strata. An electromagnetic field is applied using a dipole antenna transmitter and this is detected using a dipole antenna receiver. Phase information is extracted from a refracted wave response and used to identify the presence and/or nature of a subterranean reservoir.
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