BJ SERVICES COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 10026
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR2075
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 662
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 553
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 4202
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 2136
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 2100
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
A01D HARVESTING; MOWING140
 
  
 
B01D SEPARATION 1133

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7963334 Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operationApr 01, 10Jun 21, 11[E21B]
7886830 Downhole safety valve apparatus and methodDec 23, 09Feb 15, 11[E21B]
7798227 Methods for placing multiple stage fractures in wellboresDec 22, 08Sep 21, 10[E21B]
7743674 High temperature fluid test instrumentJan 08, 07Jun 29, 10[G01N]
7704927 Method of acid fracturing a sandstone formationMay 06, 08Apr 27, 10[C09K, E21B]
7694740 Communication tool and method for a subsurface safety valve with communication componentFeb 13, 08Apr 13, 10[E21B]
7690426 Method of repairing failed gravel packsJun 29, 07Apr 06, 10[E21B]
7658059 Synchronous drive for split sickle bars on harvester headerJun 04, 07Feb 09, 10[A01D]
7655096 Coiled tubing wellbore cleanoutMar 31, 08Feb 02, 10[B08B]
7647970 Self-sealing well cement compositionDec 17, 07Jan 19, 10[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0024,889 Unidirectional Flow Device and Methods of UseAbandonedJul 29, 09Feb 04, 10[F16K, F17D]
2009/0253,595 Surfactants for hydrocarbon recoveryAbandonedApr 03, 08Oct 08, 09[C09K]
2009/0120,647 FLOW RESTRICTION APPARATUS AND METHODSAbandonedNov 28, 07May 14, 09[E21B]
2008/0271,925 Acid tunneling bottom hole assemblyAbandonedMay 03, 07Nov 06, 08[E21B]
2008/0265,081 SYSTEM AND METHOD FOR SPOOLING COILED TUBINGAbandonedFeb 07, 08Oct 30, 08[B65H]
2008/0178,403 SYSTEMS AND METHODS FOR SWAB TRANSPORT IN PIPELINE REHABILITATIONAbandonedAug 21, 07Jul 31, 08[B08B]
2008/0066,917 Annular fracturing combo service toolAbandonedSep 14, 06Mar 20, 08[E21B]
2008/0053,920 Scavenging hydrogen sulfide and/or mercaptans from fluid and gas streamsAbandonedAug 29, 07Mar 06, 08[B01D]
2008/0006,407 Annular fracturing service tool systemAbandonedJul 10, 06Jan 10, 08[E21B]
2007/0290,454 Encapsulated back-up system for use with seal systemAbandonedAug 20, 07Dec 20, 07[F16L]
2007/0267,196 Downhole activated packer plug magnetic debris toolAbandonedMay 16, 07Nov 22, 07[E21B]
2007/0187,111 Apparatus and method for dewatering low pressure gradient gas wellsAbandonedApr 04, 07Aug 16, 07[E21B]
2007/0173,415 Stabilization of methyl butynol in hydrochloric acid systemsAbandonedJan 26, 06Jul 26, 07[C09K]
2007/0163,779 Compositions containing a buffer and a peroxide or peracid useful for treating wellsAbandonedDec 01, 06Jul 19, 07[C09K, E21B]
2007/0151,722 Deformable release device for use with downhole toolsAbandonedDec 22, 06Jul 05, 07[E21B]
2007/0151,735 Concentric coiled tubing annular fracturing stringAbandonedDec 20, 06Jul 05, 07[E21B]
2007/0084,283 Safety tank level gauging systemAbandonedOct 18, 05Apr 19, 07[G08B, G01F]
2007/0087,940 Method of using viscoelastic vesicular fluids to enhance productivity of formationsAbandonedOct 16, 06Apr 19, 07[C09K]
2006/0278,024 Testing apparatus and method of deriving young's modulus from tensile stress/strain relationshipsAbandonedJun 23, 06Dec 14, 06[G01L]
2006/0264,334 Non-damaging fracturing fluids and methods for their useAbandonedMay 18, 05Nov 23, 06[C09K]

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