ATLANTIC RICHFIELD COMPANY

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Technologies

Intl Class Technology # of Patents Rank
 
 
 
E21B EARTH OR ROCK DRILLING 6123
 
 
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 3430
 
 
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 14124
 
 
 
B01D SEPARATION 1381
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1096
 
 
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR954
 
 
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 829
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 8292
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 567
 
 
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF537

Top Patents (by citation)

Patent # Title Filing Date Issue Date Intl Class Cited #
5,168,942 Resistivity measurement system for drilling with casingOct 21, 91Dec 08, 92[E21B]144
5,529,123 Method for controlling fluid loss from wells into high conductivity earth formationsApr 10, 95Jun 25, 96[E21B]109
5,323,858 Case cementing method and systemNov 18, 92Jun 28, 94[E21B]94
5,482,117 Gas-liquid separator for well pumpsDec 13, 94Jan 09, 96[E21B]86
5,320,178 Sand control screen and installation method for wellsDec 08, 92Jun 14, 94[E21B]80
6,148,911 Method of treating subterranean gas hydrate formationsMar 30, 99Nov 21, 00[E21B]79
5,524,475 Measuring vibration of a fluid stream to determine gas fractionNov 10, 94Jun 11, 96[G01N]74
6,024,171 Method for stimulating a wellbore penetrating a solid carbonaceous subterranean formationMar 12, 98Feb 15, 00[E21B]70
5,129,469 Drill cuttings disposal method and systemDec 16, 91Jul 14, 92[E21B, B09B]70
6,152,234 Method for strengthening a subterranean formationJun 10, 98Nov 28, 00[E21B]60

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2001/0042,622 Tandem spacer fluid system and method for positioning a cement slurry in a wellbore annulusJul 17, 01Nov 22, 01[E21B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6,566,310 Tandem spacer fluid system and method for positioning a cement slurry in a wellbore annulusJul 17, 01May 20, 03[E21B, C09K]
6,482,762 NOx conversion catalyst rejuvenation processAug 14, 00Nov 19, 02[B01J]
6,461,497 Reformulated reduced pollution diesel fuelSep 01, 98Oct 08, 02[C10L]
6,353,988 Method of installing a highly tensioned suspended pipelineFeb 25, 00Mar 12, 02[B23P]
6,302,206 Treatment for shut-in gas wellNov 17, 99Oct 16, 01[E21B]
6,283,213 Tandem spacer fluid system and method for positioning a cement slurry in a wellbore annulusAug 12, 99Sep 04, 01[E21B]
6,273,192 Method for strengthening a subterranean formationMar 29, 00Aug 14, 01[E21B]
6,258,332 Apparatus and method for collecting and recycling a petroleum by-productMay 13, 99Jul 10, 01[B01D]
6,248,794 Integrated process for converting hydrocarbon gas to liquidsAug 05, 99Jun 19, 01[C07C, C01C]
6,244,631 High efficiency drill pipeMar 02, 99Jun 12, 01[F16L]

View all patents..

Top Inventors for This Owner

Inventor Name Address # of Patent/Pub
Sofranko John A
West Chester, PA
38
Baillie Lloyd A
Homewood, IL
33
Jones C Andrew
Newton Square, PA
29
Airhart Tom P
Plano, TX
26
Lowther Frank E
Buffalo, NY
21
Leonard John J
Springfield, PA
17
Carpenter Robert B
Hurst, TX
16
Perkins Thomas K
Dallas, TX
16
Kolpak Miroslav M
Plano, TX
15
Yoo Jin S
South Holland, IL
14