Patent ID: 6788066
Filing Date: 2004-09-07
Classification: E21B,G01V

Abstract:
An apparatus for measuring a parameter of interest of a material in a subterranean formation, the apparatus comprising:(a) a cylindrical enclosure for enclosing the material; (b) at least one transmitter having an antenna on the inside of the cylindrical enclosure for propagating electromagnetic radiation in the material at at least two frequencies; (c) at least one receiver having an antenna on the inside of the cylindrical enclosure axially displaced from the at least one transmitter for measuring electromagnetic radiation in the material at each of the at least two frequencies, the measurements indicative of the parameter of interest; (d) a core bit operatively coupled to the cylindrical enclosure for separating the material from the subterranean formation; and (e) a drilling tubular for conveying the cylindrical enclosure into a borehole in the subterranean formation wherein the drilling tubular is selected from the group consisting of (A) a drill string and (B) a coiled tubing.