A METHOD AND APPARATUS FOR A DOWNHOLE REFRACTOMETER AND ATTENUATED REFLECTANCE SPECTROMETER

Details for Australian Patent Application No. 2003234713 (hide)

Owner BAKER HUGHES INCORPORATED

Inventors DIFOGGIO, Rocco; WALKOW, Arnold, M.; BERGREN, Paul, A.

Pub. Number AU-A-2003234713

PCT Number PCT/US03/11095

PCT Pub. Number WO2003/087788

Priority 09/119,492 10.04.02 US

Filing date 10 April 2003

Wipo publication date 27 October 2003

International Classifications

G01N 021/43 Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

E21B 049/10 Testing the nature of borehole walls

E21B 047/10 Survey of boreholes or wells - Locating fluid leaks, intrusions, or movements

Event Publications

28 August 2003 Complete Application Filed

  Priority application(s): 09/119,492 10.04.02 US

4 December 2003 Application Open to Public Inspection

  Published as AU-A-2003234713

20 January 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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