Compressible objects having a predetermined internal pressure combined with a drilling to form a variable density drilling mud

Details for Australian Patent Application No. 2007259389 (hide)

Owner ExxonMobil Upstream Research Company

Inventors Peiffer, Dennis G.; Luton, Michael J.; Carstensen, Barbara; Gupta, Ramesh; Spiecker, P. Matthew; Pokutylowicz, Norman M.; Polizzotti, Richard S.

Agent Watermark

Pub. Number AU-A-2007259389

PCT Pub. Number WO2007/145733

Priority 60/811,620 07.06.06 US

Filing date 4 May 2007

Wipo publication date 21 December 2007

International Classifications

E21B 23/02 (2006.01) Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells

E21B 43/10 (2006.01) Obtaining fluids from wells

Event Publications

11 December 2008 PCT application entered the National Phase

  PCT publication WO2007/145733 Priority application(s): WO2007/145733

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