Mitigation of proppant sticking in removing downhole tools

Details for Australian Patent Application No. 2003233622 (hide)

Owner Baker Hughes Incorporated

Inventors Coronado, Martin P.

Agent Freehills

Pub. Number AU-B-2003233622

PCT Number PCT/US03/16002

PCT Pub. Number WO2003/100215

Priority 60/382,960 23.05.02 US

Filing date 21 May 2003

Wipo publication date 12 December 2003

Acceptance publication date 17 July 2008

International Classifications

E21B 43/26 (2006.01) Obtaining fluids from wells

C09K 8/62 (2006.01) Compositions for drilling of boreholes or wells

C09K 8/80 (2006.01) Compositions for drilling of boreholes or wells

E21B 31/03 (2006.01) Fishing for or freeing objects in boreholes or wells

E21B 43/267 (2006.01) Obtaining fluids from wells

Event Publications

28 August 2003 Complete Application Filed

  Priority application(s): 60/382,960 23.05.02 US

5 February 2004 Application Open to Public Inspection

  Published as AU-B-2003233622

16 December 2004 Amendment Made

  The nature of the amendment is as shown in the statement(s) filed 01 Dec 2004

17 July 2008 Application Accepted

  Published as AU-B-2003233622

13 November 2008 Standard Patent Sealed

19 January 2012 Assignment Registered

  Baker Hughes Incorporated The patent has been assigned to Superior Energy Services, L.L.C.

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