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Welltec A s patents

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

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Date Welltec A s patents (updated weekly) - BOOKMARK this page
02/23/17Downhole completion system sealing against the cap layer
01/19/17A downhole production casing string
12/29/16Downhole system for unloading liquid
12/22/16Downhole expandable metal tubular
12/22/16Redressing method and redressed completion system
12/01/16Annular barrier having a downhole expandable tubular
11/10/16A downhole expandable tubular
10/27/16Downhole completion system and method
10/13/16Annular barrier with an anti-collapsing unit
09/22/16Annular barrier with passive pressure compensation
09/15/16Disconnecting tool
08/11/16Downhole wireline cleaning tool
08/04/16A thermally expanded annular barrier
08/04/16Annular barrier
07/28/16Drilling tool
07/14/16Downhole tool
06/02/16A gas lift system and a gas lift method
05/26/16Downhole cleaning tool and cleaning method
05/12/16Downhole machining system and method
05/12/16A downhole pumping assembly and a downhole system
03/10/16Downhole tool capable of withstanding high temperatures
02/25/16A downhole expandable tubular
02/04/16A completion component with position detection
11/05/15A downhole tool and downhole system
10/29/15Downhole cleaning system
10/29/15Downhole setting tool
10/29/15Wireline pump
10/22/15Downhole power system
10/22/15Barrier testing method
08/06/15Downhole turbine-driven system
08/06/15Drop device
04/30/15Electrical power distribution a wireline tool string downhole
03/12/15Annular barrier with a seal
02/12/15Annular barrier having a flexible connection
02/05/15Annular barrier having expansion tubes
02/05/15Inflow control device
12/25/14Punching tool
12/18/14Downhole tubular system and assembly for sealing an opening
12/04/14Method of controlling a downhole operation
10/23/14Cleaning tool and a treating an inner surface of a casing
10/23/14Annular barrier system with flow lines
10/02/14Stimulation method
08/07/14Annular barrier with pressure amplification
07/24/14Downhole tool for determining laterals
07/17/14Annular barrier with safety metal sleeve
07/10/14Annular barrier with compensation device
07/10/14Annular barrier with axial force mechanism
06/12/14Disconnecting tool
06/05/14Positioning method
05/29/14Annular barrier with external seal
05/08/14Downhole tubing cutter tool
05/08/14Intervention blowout preventer and well intervention tool
05/08/14Downhole hydraulic pump
04/17/14Rock anchor
04/17/14Formation penetrating tool
03/20/14Downhole tool
03/20/14Tool string
03/06/14Downhole casing system
02/27/14Electrical motor
01/16/14Arm assembly
01/16/14Modular downhole tool
01/16/14Fail-safe spring
01/16/14Downhole pressure compensating device
01/16/14Hydraulic assembly
01/16/14Downhole driving unit having a hydraulic motor with a planetary gearing system
Patent Packs
01/16/14Downhole driving unit having a hydraulic motor with a static cam ring
01/16/14Downhole driving unit having a spring member for assembling a hydraulic motor housing
01/16/14Downhole driving unit having a hydraulic motor in a wheel
01/16/14Service panel
10/31/13Lateral junction assembly
10/31/13Downhole well-operation system
10/24/13Inflow assembly
10/24/13Artificial lift tool
10/24/13Logging tool
10/03/13Wireless communication between tools
09/19/13Wireless downhole unit
09/19/13Downhole system having a wireless unit
09/12/13Downhole punch component
09/05/13Navigation system
08/15/13Blowout preventer and launcher sytem
Patent Packs
07/18/13Drill pipe
06/27/13Sealing system
04/18/13Safety device
03/28/13Downhole sampling tool
03/28/13Wellbore surveillance system
02/21/13Pumping system
01/17/13Downhole guiding tool
12/06/12Inflow control in a production casing
08/30/12Positioning tool
08/23/12Bubble logging tool
08/23/12Scanning tool
06/14/12Downhole tool head for releasing precipitated solids
06/23/11Anchor tool
06/02/11Sealing arrangement and sealing method
05/26/11Method for sealing off a water zone in a production well downhole and a sealing arrangement
05/05/11Logging tool
05/27/10Stroker tool
05/27/10Drilling system with a barrel drilling head driven by a downhole tractor
05/06/10Perforation tool with switch
03/11/10Cladding method and expansion tool







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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Welltec A s 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 Welltec A s with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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