Annular pressure monitoring during hydraulic fracturing

Details for Australian Patent Application No. 2008302502 (hide)

Owner Baker Hughes Incorporated

Inventors Johnson, Michael H.

Agent Freehills

Pub. Number AU-A-2008302502

PCT Pub. Number WO2009/038999

Priority 11/857,052 18.09.07 US

Filing date 9 September 2008

Wipo publication date 26 March 2009

International Classifications

E21B 34/08 (2006.01) Valve arrangements for boreholes or wells

E21B 43/00 (2006.01) Obtaining fluids from wells

H04R 1/28 (2006.01) Details of transducers - Transducer mountings or enclosures designed for specific frequency response

Event Publications

1 April 2010 PCT application entered the National Phase

  PCT publication WO2009/038999 Priority application(s): WO2009/038999

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