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Petrowell Limited patents

Recent patent applications related to Petrowell Limited. Petrowell Limited is listed as an Agent/Assignee. Note: Petrowell Limited may have other listings under different names/spellings. We're not affiliated with Petrowell Limited, we're just tracking patents.

ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "P" | Petrowell Limited-related inventors

Date Petrowell Limited patents (updated weekly) - BOOKMARK this page
05/25/17Switching device for, and a switching, a downhole tool
09/08/16Interlocking and setting section for a downhole tool
09/01/16Expandable slip system
05/26/16Downhole communication
02/18/16Downhole apparatus
02/11/16Catching apparatus
02/04/16Actuating apparatus
02/04/16Heat treat production fixture
02/04/16Shifting tool
02/04/16Downhole arrangement
02/04/16Actuating apparatus
12/24/15Method and actuating downhole tools
11/12/15Switching device for, and a switching, a downhole tool
10/29/15Downhole apparatus and method
10/08/15Downhole apparatus and method
10/08/15Method of and completing a well
09/10/15Flow control assembly
08/27/15Well isolation
06/18/15Downhole apparatus and method
06/18/15Downhole apparatus and method
06/18/15Downhole apparatus and method
06/11/15Downhole apparatus and method
02/26/15Seal element
02/26/15Wellbore completion
02/05/15Downhole tool and method
10/16/14Antenna for use in a downhole tubular
08/14/14Downhole actuating apparatus
08/14/14Downhole tool and method
04/17/14Selective fracturing system
02/06/14Method of and completing a well
09/26/13Valve assembly
07/25/13Mechanical counter
01/31/13Downhole actuating apparatus
12/08/11Flow control device
12/01/11Control system
11/17/11Running adapter
06/02/11Improved tubing section coupling
05/19/11Tubing section
01/13/11Improved centraliser
07/08/10Tree plug
09/17/09Bi-directional flapper valve
03/12/09Apparatus for controlling a downhole device
02/19/09Remote actuation of downhole tools using fluid pressure from surface

ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009


This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. is not affiliated or associated with Petrowell Limited in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Petrowell Limited with additional patents listed. Browse our Agent directory for other possible listings. Page by