Apparatus and method for determining properties of anisotropic e

Apparatus and method for determining the resistivity of earth fo

Apparatus and method for determining the resitivity of undergrou

Apparatus and method for electric field telemetry employing comp

Apparatus and method for electric field telemetry employing...

Apparatus and method for electromagnetic logging with reduction

Apparatus and method for imaging metallic objects using an array

Apparatus and method for imaging subsurface materials using...

Apparatus and method for locating an object

Apparatus and method for locating and tracking magnetic objects

Apparatus and method for locating metal objects and minerals in

Apparatus and method for locating subsurface objects in...

Apparatus and method for measuring buried ferromagnetic objects

Apparatus and method for measuring micro-resistivity anisotropy

Apparatus and method for measuring movement of a downhole tool

Apparatus and method for measuring mud resistivity using a...

Apparatus and method for measuring the resistivity of undergroun

Apparatus and method for resistivity measurements during...

Apparatus and method for resistivity measurements during...

Apparatus and method for resistivity well logging