APPARATUS AND METHOD FOR MEASURING INDUCED RESISTIVITY OF A MATERIAL WITHIN A CONFINED SPACE AS IN A DOWN-HOLE HYDROCARBON PRODUCTION WELL USING SEPARATE LENS SEGMENTS AROUND THE TRANSMITTER

Details for Australian Patent Application No. 2002230733 (hide)

Owner EM-TECH LLC

Inventors AMINI, Bijan, K.

Pub. Number AU-A-2002230733

PCT Pub. Number WO2003/050912

Filing date 10 December 2001

Wipo publication date 23 June 2003

International Classifications

H01Q 001/04 Details of, or arrangements associated with, aerials

H01H 019/06 Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand

H01Q 019/09 Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic

H01Q 015/02 Devices for reflection, refraction, diffraction, or polarisation of waves radiated from an aerial, e.g. quasi-optical devices

G01V 003/28 Electric or magnetic prospecting or detecting

G01N 027/00 Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means

Event Publications

28 August 2003 Application Open to Public Inspection

  Published as AU-A-2002230733

26 August 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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