LandOfFree - US Patents - Listing for Electricity: measuring and testing,Of geophysical surface or subsurface in situ,Using electrode arrays, circuits, structure, or supports

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Methods and apparatuses for measuring the resistivity of...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Methods of determining resistivity of a formation through...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Methods of operation of apparatus measuring formation resistivit

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Mixed galvanic-inductive imaging in boreholes

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Modular downhole tool system

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Multi-component marine electromagnetic signal acquisition...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Multi-depth focused resistivity imaging tool for logging...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Multi-mode microresistivity tool in boreholes drilled with...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Multi-mode oil base mud imager

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Multiple frequency based leakage correction for imaging in...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Multiple frequency electric excitation method and identifying co

Electricity: measuring and testing – Of geophysical surface or subsurface in situ – Using electrode arrays – circuits – structure – or supports

Multiple site magnetotelluric measurements