USE OF AXIAL ACCELEROMETER FOR ESTIMATION OF INSTANTANEOUS ROP DOWNHOLE FOR LWD AND WIRELINE APPLICATIONS

Details for Australian Patent Application No. 2002316247 (hide)

Owner BAKER HUGHES INCORPORATED

Inventors DUBINSKY, Vladimir; JOGI, Pushkar, N.; LEGGETT, James, V., III; PATTERSON, Douglas, J.; BOLSHAKOV, Alexei; KRUEGER, Volker

Pub. Number AU-A-2002316247

PCT Number PCT/US02/18912

PCT Pub. Number WO2002/103158

Priority 60/298,299 14.06.01 US

Filing date 13 June 2002

Wipo publication date 2 January 2003

International Classifications

E21B 047/04 Survey of boreholes or wells - Measuring depth or liquid level

E21B 044/00 Automatic control

E21B 049/00 Testing the nature of borehole walls

E21B 047/00 Survey of boreholes or wells

Event Publications

9 January 2003 Complete Application Filed

  Priority application(s): 60/298,299 14.06.01 US

15 May 2003 Application Open to Public Inspection

  Published as AU-A-2002316247

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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