Surface gas evaluation during controlled pressure drilling

Details for Australian Patent Application No. 2010305694 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Henderson, Anthony Bruce; Law, Douglas; Grayson, Michael Brian; Chopty, James Ronald; Tonner, David

Agent Fisher Adams Kelly

Pub. Number AU-A-2010305694

PCT Pub. Number WO2011/047236

Priority 12/905,017 14.10.10 US; 61/252,361 16.10.09 US

Filing date 15 October 2010

Wipo publication date 21 April 2011

International Classifications

E21B 49/08 (2006.01) Testing the nature of borehole walls

Event Publications

26 May 2011 PCT application entered the National Phase

  PCT publication WO2011/047236 Priority application(s): WO2011/047236

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