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

Method of investigating the electrical resistivity of the ground

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

Method of logging an earth formation penetrated by a borehole to

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

Method of logging an earth formation penetrated by a borehole to

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

Method of magnetotelluric exploration using a zigzag array

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

Method of magnetotelluric exploration using areal arrays

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

Method of mapping and monitoring groundwater and subsurface aque

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

Method of marine electromagnetic survey using focusing...

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

Method of prospecting for geological formations and...

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

Method using a d.c. source for determining resistivity distribut

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

Method using a pluraliyt of electrode, including a reference ele

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

Method/apparatus for measuring mud resistivity using a focused-e

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

Methods and apparatus for imaging earth formation with a...

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

Methods and apparatus for measurement of electronic properties o

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

Methods and apparatus for measurement of electronic properties o

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

Methods and apparatus for measurement of the resistivity of geol

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

Methods and apparatus for measurement of the resistivity of geol

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

Methods and apparatus for measuring characteristics of a formati

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

Methods and apparatus for measuring electrical properties of...

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

Methods and apparatus for measuring electrical properties of...