ATLANTIC RICHFIELD 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 6143
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 3448
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 14192
 
  
 
B01D SEPARATION 12122
 
  
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 10128
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR986
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 854
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 8439
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF574
 
  
 
C10B DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS 514

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6566310 Tandem spacer fluid system and method for positioning a cement slurry in a wellbore annulusJul 17, 01May 20, 03[C09K, E21B]
6353988 Method of installing a highly tensioned suspended pipelineFeb 25, 00Mar 12, 02[B23P]
6302206 Treatment for shut-in gas wellNov 17, 99Oct 16, 01[E21B]
6283213 Tandem spacer fluid system and method for positioning a cement slurry in a wellbore annulusAug 12, 99Sep 04, 01[E21B]
6273192 Method for strengthening a subterranean formationMar 29, 00Aug 14, 01[E21B]
6248794 Integrated process for converting hydrocarbon gas to liquidsAug 05, 99Jun 19, 01[C01C, C07C]
6244631 High efficiency drill pipeMar 02, 99Jun 12, 01[F16L]
6236894 Petroleum production optimization utilizing adaptive network and genetic algorithm techniquesDec 19, 97May 22, 01[G05B]
6192316 Fracture discrimination using borehole frequency response of stoneley wavesMay 26, 99Feb 20, 01[G01V]
6168708 Method for recovery and recycling of hydrocarbon residueApr 22, 99Jan 02, 01[C10G, C10C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6461497 Reformulated reduced pollution diesel fuelExpiredSep 01, 98Oct 08, 02[C10L]
6258332 Apparatus and method for collecting and recycling a petroleum by-productExpiredMay 13, 99Jul 10, 01[B01D]
6250689 Reinforced tube jointExpiredJul 06, 98Jun 26, 01[F16L, B01J]
6154705 System for attenuating high order free surface multiples from a seismic shot record using a genetic procedureExpiredJul 06, 99Nov 28, 00[G01V]
6142229 Method and system for producing fluids from low permeability formationsExpiredSep 16, 98Nov 07, 00[E21B]
6026057 Method and system for correcting for offset-dependent directivity effects in seismic survey signalsExpiredJun 04, 98Feb 15, 00[G01V]
H001823 Bus bar screw jackExpiredOct 17, 95Dec 07, 99[B66F]
5982706 Method and system for determining normal moveout parameters for long offset seismic survey signalsExpiredMar 04, 97Nov 09, 99[G01V]
H001810 Valve assemblyExpiredNov 10, 97Nov 02, 99[F17D]
5970422 Method for generating a flow profile of a wellbore from pulsed neutron logsExpiredSep 29, 97Oct 19, 99[G06F]
5881310 Method for executing an instruction where the memory locations for data, operation to be performed and storing of the result are indicated by pointersExpiredJan 22, 96Mar 09, 99[G06F]
5873049 Abstraction of multiple-format geological and geophysical data for oil and gas exploration and production analysisExpiredFeb 21, 97Feb 16, 99[E21B]
5863193 Burner assemblyExpiredApr 03, 97Jan 26, 99[F23C]
5862100 Method and system for detecting hydrocarbon reservoirs using statistical normalization of amplitude-versus-offset indicators based upon seismic signalsExpiredMay 28, 96Jan 19, 99[G01V]
H001770 Floating roof tank with sealed gauging poleExpiredSep 26, 97Jan 05, 99[B65D]
5847975 Method of simulating a seismic surveyExpiredAug 18, 95Dec 08, 98[G01V]
5833395 Method for reducing the concentration of contaminating radioactive material in contaminated soilExpiredApr 24, 97Nov 10, 98[G21F, B09C, G01V]
5821413 Gravity gradiometry in a wellbore using a virtual long-baselineExpiredApr 10, 97Oct 13, 98[G01V]
5783741 Capillary furnace for improved peak resolution in gas isotope chromatographyExpiredJan 31, 97Jul 21, 98[H01J, G01N, B01D]
5774417 Amplitude and phase compensation in dual-sensor ocean bottom cable seismic data processingExpiredOct 25, 96Jun 30, 98[G01V]

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