Signal operated tools for milling, drilling, and/or fishing operations

Details for Australian Patent Application No. 2009244318 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Antoine, Andrew; Koithan, Thomas; McIntire, Scott; Heiskell, Wes; Redlinger, Thomas M.; Vreeland, Christopher M.

Agent Spruson & Ferguson

Pub. Number AU-B-2009244318

PCT Pub. Number WO2009/137537

Priority 61/050,511 05.05.08 US

Filing date 5 May 2009

Wipo publication date 12 November 2009

Acceptance publication date 4 October 2012

International Classifications

E21B 7/06 Special methods or apparatus for drilling

E21B 21/10 Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

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

E21B 29/06 Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows

E21B 31/107 Fishing for or freeing objects in boreholes or wells

E21B 31/113 Fishing for or freeing objects in boreholes or wells

E21B 31/12 Fishing for or freeing objects in boreholes or wells

E21B 47/09 Survey of boreholes or wells

E21B 47/12 Survey of boreholes or wells - Means for transmitting measuring-signals from the well to the surface, e.g. for logging while drilling

Event Publications

25 November 2010 PCT application entered the National Phase

  PCT publication WO2009/137537 Priority application(s): WO2009/137537

4 October 2012 Application Accepted

  Published as AU-B-2009244318

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