Compact jar for dislodging tools in an oil or gas well

Details for Australian Patent Application No. 2010303360 (hide)

Owner Halliburton Energy Services, Inc.

Inventors Evans, Robert W.

Agent Pizzeys

Pub. Number AU-A-2010303360

PCT Pub. Number WO2011/044411

Priority 12/575,811 08.10.09 US

Filing date 8 October 2010

Wipo publication date 14 April 2011

International Classifications

E21B 31/107 (2006.01) Fishing for or freeing objects in boreholes or wells

Event Publications

26 April 2012 PCT application entered the National Phase

  PCT publication WO2011/044411 Priority application(s): WO2011/044411

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