SCHLUMBERGER NORGE AS

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 1482
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR1184
 
  
 
B01D SEPARATION 9125
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 946
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 5201
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 339
 
  
 
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 339
 
  
 
B03D FLOTATION; DIFFERENTIAL SEDIMENTATION 213
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 265
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2118

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0158,941 ENVIRONMENTALLY FRIENDLY WELLBORE CONSOLIDATING/FLUID LOSS MATERIALDec 07, 16Jun 08, 17[C09K, E21B]
2017/0137,690 WELLBORE STRENGTHENING ADDITIVE AND USES THEREOFNov 11, 16May 18, 17[C09K, E21B]
2017/0137,693 ELECTRICALLY ACTIVATED ADHESIVE FOR STRENGTHENING OF A SUBTERRANEAN WELLBORENov 11, 16May 18, 17[C09K, C08G, E21B]
2016/0222,278 Encapsulated Production ChemicalsNov 04, 15Aug 04, 16[C09K]
2016/0207,791 WATER TREATMENT SYSTEM FOR TREATING WATER FROM OIL PRODUCTION STREAMSAug 18, 14Jul 21, 16[B03D, C02F, B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9903169 Polymer gels as flow improvers in water injection systemsSep 17, 09Feb 27, 18[C09K, F17D, B01F, E21B, C02F]
9840654 Kinetic hydrate inhibitors with pendent amino functionalityNov 16, 12Dec 12, 17[C09K]
9796917 Hydrocarbon fluid flow improverJul 30, 12Oct 24, 17[C09K, C08G, C10L, C10G, E21B]
9777542 Automated drilling fluid analyzerFeb 10, 11Oct 03, 17[G01N, E21B]
9663701 Method for reducing permeability of a subterranean reservoirJan 27, 12May 30, 17[C09K, E21B]
9587490 Test equipment simulating multiple fluid sequencesNov 23, 12Mar 07, 17[G01N, E21B]
9376254 Methods for granular scavenger material transferJan 27, 10Jun 28, 16[B08B, B65D, B63B, B01D]
9347010 Method of predicting/optimizing hydrogen sulfide scavenging capacity and reduction of scale formationApr 10, 09May 24, 16[C10L]
9284199 Flotation unit for purifying water, such as a CFU (compact flotation unit)Apr 08, 11Mar 15, 16[B03D, B01F, C02F, B01D]
9175530 Wellbore fluid mixing systemNov 19, 08Nov 03, 15[B01F, E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0368,544 METHODS OF INHIBITING SALT PRECIPITATION AND CORROSIONAbandonedJun 24, 14Dec 24, 15[C09K, E21B, C02F]
2014/0014,214 Multiple Process Service VesselAbandonedSep 24, 10Jan 16, 14[F17D]
8425777 Method of separating a mixture, and a plant for separating a mixture comprising water, oil and gasExpiredNov 03, 06Apr 23, 13[C10G]
8381811 Method of enhancing adsorption of an inhibitor onto a wellbore regionExpiredOct 15, 08Feb 26, 13[C09K, E21B]
8277547 Separator tank for separation of fluid comprising water, oil and gasExpiredSep 15, 11Oct 02, 12[B01D]
8105421 Well fluid separator tank for separation of fluid comprising water, oil and gas, use of such a tank, and a method for separating a well fluid including water, oil, and gasExpiredOct 27, 06Jan 31, 12[B01D]
8043419 Separator tank for separation of fluid comprising water, oil and gasExpiredOct 27, 06Oct 25, 11[B01D]
2011/0237,469 COMPOSITIONS AND METHODS FOR INHIBITING EMULSION FORMATION IN HYDROCARBON BODIESAbandonedJul 29, 09Sep 29, 11[C09K]
2011/0190,438 METHOD OF IMPROVING THE COLD FLOW PROPERTIES OF A PARAFFIN-CONTAINING FLUIDAbandonedJul 03, 09Aug 04, 11[C08L, C08K]
2011/0136,701 HIGH PERFORMANCE WATER BASED FLUIDSAbandonedAug 20, 09Jun 09, 11[C09K]
2011/0024,366 METHOD OF INHIBITING SALT PRECIPITATION FROM AQUEOUS STREAMSAbandonedOct 15, 08Feb 03, 11[G01L, C02F]
7445708 Plant for purifying water contaminated by droplets of hydrocarbonaceous liquidExpiredAug 07, 01Nov 04, 08[B01D]
2007/0277,967 Separation Of Crude Oil At The Well HeadAbandonedJan 20, 05Dec 06, 07[B01D]

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