CENOVUS ENERGY INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 1779
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 953
 
  
 
B01D SEPARATION 3131
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 3106
 
  
 
C10C WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID 38
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C10L FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS 141
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 122
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 123

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0182,431 PROCESS AND SYSTEM FOR RECOVERING WATER FROM AN EMULSION PRODUCED FROM A HYDROCARBON PRODUCTION OPERATIONDec 28, 16Jun 29, 17[E21B, C02F, B01D]
2015/0144,535 METHOD FOR REDUCING ACID IN HYDROCARBONSNov 26, 14May 28, 15[C10G, C10C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9845669 Hydrocarbon recovery with multi-function agentApr 06, 15Dec 19, 17[C09K, E21B]
9738837 Process and system for treating oil sands produced gases and liquidsMay 13, 14Aug 22, 17[C10G, B01D]
9732564 Drilling rig equipment platformAug 19, 16Aug 15, 17[E04B, E02D, E21B]
9664022 Convective SAGD processDec 16, 14May 30, 17[E21B]
9562424 Waste heat recovery from depleted reservoirNov 20, 14Feb 07, 17[E21B]
9447643 Drilling rig equipment platformSep 18, 14Sep 20, 16[E21B]
9284827 Hydrocarbon recovery facilitated by in situ combustionMay 21, 14Mar 15, 16[E21B]
9206359 Methods for upgrading of contaminated hydrocarbon streamsMay 27, 14Dec 08, 15[C10G]
9120983 Process and system for enhanced separation of hydrocarbon emulsionsJul 27, 12Sep 01, 15[C10G, C10C]
8985231 Selective displacement of water in pressure communication with a hydrocarbon reservoirFeb 10, 12Mar 24, 15[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0061,014 HYDRAULICALLY UNITARY WELL SYSTEM AND RECOVERY PROCESS (HUWSRP)AbandonedAug 27, 15Mar 03, 16[E21B]
2016/0061,015 AXIALLY SEGMENTED DEPLETION OPERATIONS IN HORIZONTAL WELLSAbandonedAug 31, 15Mar 03, 16[E21B]
2015/0337,208 HYDROCARBON PRODUCTSAbandonedMay 23, 14Nov 26, 15[C10G]
2015/0337,220 HYDROCARBON PRODUCTSAbandonedDec 17, 14Nov 26, 15[C10M, C10L, C10G]
2015/0308,246 HYDROCARBON RECOVERY PROCESSAbandonedApr 28, 15Oct 29, 15[E21B]
2015/0275,645 COMPLETION METHOD AND APPARATUS FOR A WELL HAVING TWO OR MORE LATERAL BORESAbandonedMar 12, 15Oct 01, 15[E21B]
2015/0167,412 DRILLING WASTE RECEIVING ASSEMBLYAbandonedDec 12, 14Jun 18, 15[E21B]
2015/0159,474 HYDROCARBON PRODUCTION APPARATUSAbandonedDec 04, 14Jun 11, 15[E21B]
2015/0144,345 WASTE HEAT RECOVERY FROM DEPLETED RESERVOIRAbandonedNov 20, 14May 28, 15[E21B]
2015/0144,338 METHOD AND SYSTEM OF PRODUCING HYDROCARBONAbandonedNov 26, 14May 28, 15[E21B]
2015/0129,201 MULTIPURPOSING OF MULTILATERAL INFILL WELLS FOR BYPASS HYDROCARBON RECOVERYAbandonedNov 14, 14May 14, 15[E21B]
2015/0107,842 SINGLE HORIZONTAL WELL THERMAL RECOVERY PROCESSAbandonedOct 22, 14Apr 23, 15[E21B]
2015/0101,794 HYDROCARBON PRODUCTION APPARATUSAbandonedOct 13, 14Apr 16, 15[E21B]
2015/0086,309 METHOD OF AND APPARATUS FOR DISPOSING OF DRILLING WASTEAbandonedSep 18, 14Mar 26, 15[B65D, E21B]
2015/0034,313 IN SITU COMBUSTION WITH A MOBILE FLUID ZONEAbandonedJul 09, 14Feb 05, 15[E21B]
2014/0251,596 SINGLE VERTICAL OR INCLINED WELL THERMAL RECOVERY PROCESSAbandonedMar 05, 13Sep 11, 14[E21B]
2014/0251,608 SINGLE VERTICAL OR INCLINED WELL THERMAL RECOVERY PROCESSAbandonedMar 03, 14Sep 11, 14[E21B]
2014/0216,738 BOTTOM-UP SOLVENT-AIDED PROCESS AND SYSTEM FOR HYDROCARBON RECOVERYAbandonedDec 10, 13Aug 07, 14[E21B]
2014/0203,099 ULTRASONIC PRODUCED WATER DISPERSION DEVICE, SYSTEM AND METHODAbandonedJan 22, 14Jul 24, 14[B05B]
2014/0202,683 ULTRASONIC WELLBORE DEWATERING DEVICE, SYSTEM AND METHODAbandonedJan 22, 14Jul 24, 14[E21B]

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