WELLTEC A/S

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 13020
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 674
 
  
 
B60K ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS; AUXILIARY DRIVES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST, OR FUEL SUPPLY, OF PROPULSION UNITS, IN VEHICLES 390
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 2105
 
  
 
B23B TURNING; BORING 151
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 144
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
F16H GEARING199
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0010,414 ANNULAR BARRIER WITH SHUNT TUBEJul 06, 17Jan 11, 18[E21B]
2017/0370,179 DOWNHOLE DRILLING SYSTEMJun 27, 17Dec 28, 17[E21B]
2017/0356,267 DOWNHOLE STRADDLE ASSEMBLYJun 09, 17Dec 14, 17[E21B]
2017/0218,734 DOWNHOLE COMPLETION SYSTEMJan 31, 17Aug 03, 17[E21B]
2017/0175,485 DOWNHOLE SYSTEMDec 16, 16Jun 22, 17[E21B]
2017/0159,385 DOWNHOLE WIRELINE MACHINING TOOL STRINGDec 07, 16Jun 08, 17[E21B]
2017/0101,846 DOWNHOLE EXPANDABLE METAL TUBULARJun 04, 15Apr 13, 17[E21B]
2016/0369,603 REDRESSING METHOD AND REDRESSED COMPLETION SYSTEMJun 15, 16Dec 22, 16[E21B]
2016/0153,268 A GAS LIFT SYSTEM AND A GAS LIFT METHODJun 25, 14Jun 02, 16[E21B]
2015/0308,232 DOWNHOLE CLEANING SYSTEMApr 27, 12Oct 29, 15[E21B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9915143 Downhole tool for determining flow velocity using measurements from a transducer and a plurality of electrodesOct 30, 12Mar 13, 18[G01N, E21B, G01F]
9835023 Barrier testing methodOct 30, 13Dec 05, 17[E21B]
9803465 Pressure integrity testing systemNov 29, 12Oct 31, 17[E21B]
9752401 Setting toolDec 20, 12Sep 05, 17[E21B]
9745819 Annular barrier and annular barrier systemJun 30, 14Aug 29, 17[E21B]
9725980 Annular barrier with pressure amplificationAug 30, 12Aug 08, 17[E21B]
9726005 Positioning method and tool for determining the position of the tool in a casing downholeJul 11, 12Aug 08, 17[G01R, G01B, E21B, G01V]
9708862 Annular barrier with axial force mechanismSep 12, 12Jul 18, 17[E21B]
9708866 Downhole driving unit having a hydraulic motor with a static cam ringMar 29, 12Jul 18, 17[E21B]
9708873 Hydraulic assemblyMar 29, 12Jul 18, 17[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0032,713 A COMPLETION COMPONENT WITH POSITION DETECTIONAbandonedMar 11, 14Feb 04, 16[E21B]
2015/0315,850 A DOWNHOLE TOOL AND DOWNHOLE SYSTEMAbandonedDec 06, 13Nov 05, 15[E21B]
2015/0308,240 DOWNHOLE SETTING TOOLAbandonedDec 06, 13Oct 29, 15[E21B]
2015/0308,243 WIRELINE PUMPAbandonedOct 25, 13Oct 29, 15[F04B, E21B]
2015/0300,129 DOWNHOLE POWER SYSTEMAbandonedDec 10, 13Oct 22, 15[E21B]
2015/0218,900 DOWNHOLE TURBINE-DRIVEN SYSTEMAbandonedAug 09, 13Aug 06, 15[E21B]
2015/0114,629 ELECTRICAL POWER DISTRIBUTION METHOD FOR A WIRELINE TOOL STRING DOWNHOLEAbandonedDec 28, 12Apr 30, 15[E21B]
2015/0041,154 ANNULAR BARRIER HAVING A FLEXIBLE CONNECTIONAbandonedMar 27, 13Feb 12, 15[E21B]
2015/0034,316 ANNULAR BARRIER HAVING EXPANSION TUBESAbandonedMar 27, 13Feb 05, 15[E21B]
2014/0374,100 PUNCHING TOOLAbandonedSep 27, 12Dec 25, 14[E21B]
2014/0352,956 PRODUCTION SYSTEM FOR PRODUCING HYDROCARBONS FROM A WELLAbandonedDec 21, 12Dec 04, 14[E21B]
2014/0336,937 DOWNHOLE MAPPING SYSTEMAbandonedDec 20, 12Nov 13, 14[E21B, G01V]
2014/0332,206 STIMULATION METHODAbandonedDec 20, 12Nov 13, 14[E21B]
2014/0311,528 CLEANING TOOL AND A METHOD FOR TREATING AN INNER SURFACE OF A CASINGAbandonedNov 29, 12Oct 23, 14[E21B]
2014/0299,334 SEALING MATERIAL FOR ANNULAR BARRIERSAbandonedOct 26, 12Oct 09, 14[E21B]
2014/0190,683 ANNULAR BARRIER WITH COMPENSATION DEVICEAbandonedAug 30, 12Jul 10, 14[E21B]
2014/0124,686 INTERVENTION BLOWOUT PREVENTER AND WELL INTERVENTION TOOLAbandonedJun 29, 12May 08, 14[E21B]
2014/0102,719 ROCK ANCHORAbandonedDec 16, 11Apr 17, 14[E21B]
2014/0102,801 FORMATION PENETRATING TOOLAbandonedMay 30, 12Apr 17, 14[E21B]
2014/0076,582 TOOL STRINGAbandonedApr 27, 12Mar 20, 14[E21B]

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