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AssigneeThe Regents of the University of California
InventorsSteven C. Constable, Kerry W. Key
Estimating the term…
The system and method provided modify a conventional seafloor long-wire electromagnetic (LEM) receiver by increasing the number of discrete antennae placed on the long wire. Two dipoles of electric field data are positioned exactly adjacent to each other, providing input to the same data logger system located within a seafloor survey unit to which the long wire is connected. Highly precise electric field gradients can be obtained by taking the difference of the measurements of the two electrodes, both for amplitude and phase. Any common-mode source of noise, such as magnetotelluric signals and receiver instrument noise will be rejected when the signals from the two electrodes are differenced. An acoustic navigation system utilizes a plurality of transponders to permit triangulation for accurate source-receiver ranging.
A system for measuring electric properties of geologic formations within an area of interest on the seafloor, the system comprising:
A receiver for measuring electric properties of geologic formations within an area of interest on the seafloor, the system comprising:
A method of measuring electric properties of geologic formations within an area of interest on the seafloor, comprising:
Dependencies are inferred from the claim text.