CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 888
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR590
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 5201
 
  
 
A62D CHEMICAL MEANS FOR EXTINGUISHING FIRES; PROCESSES FOR MAKING HARMFUL CHEMICAL SUBSTANCES HARMLESS, OR LESS HARMFUL, BY EFFECTING A CHEMICAL CHANGE; COMPOSITION OF MATERIALS FOR COVERINGS OR CLOTHING FOR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; COMPOSITION OF MATERIALS FOR TRANSPARENT PARTS OF GAS-MASKS, RESPIRATORS, BREATHING BAGS OR HELMETS; COMPOSITION OF CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS214
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 296
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
E05B LOCKS; ACCESSORIES THEREFOR; HANDCUFFS149
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 179

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0210,538 SAFE AND STABILIZED STORAGE EQUIPMENT FOR GEOCHEMISTRY RESEARCHApr 09, 17Jul 27, 17[A62D, B65D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9897529 Test system and test method for a simulation experiment of gas hydrate in a porous mediumSep 12, 16Feb 20, 18[G01N]
9845421 Encapsulating agent and preparing method thereof, and drilling fluid for petroleum drillingDec 02, 16Dec 19, 17[C09K]
9771509 Polymer elastic particle reservoir protecting agent and drilling fluid containing the sameJan 06, 17Sep 26, 17[C09K]
9701884 Nanometer film structured reservoir protecting agent, drilling fluid containing the same and use thereof in low-permeability reservoirsJan 06, 17Jul 11, 17[C09K]
9683160 Composition comprising a nanometer film structured reservoir protecting agent and a water block preventing agent, and drilling fluid containing the same and use thereof for drilling in low-permeability reservoirsJan 06, 17Jun 20, 17[C09K]
9631444 Kick information identification apparatus and method assisted for wellbore pressure control during horizontal drillingOct 19, 16Apr 25, 17[E21B, G01V]
9631450 Surface layer conductor running tool for deep-water well drillingSep 20, 16Apr 25, 17[E21B]
9631454 Wellbore pressure control system and method for offshore well cementation stagesOct 13, 16Apr 25, 17[E21B]
9624420 Foam stabilizer composition, foamed cement slurry and additive composition thereofOct 18, 16Apr 18, 17[C09K, C04B, B01F]
9612187 Experimental apparatus for studying gas invasion and migration mechanism in oil and gas wellboresOct 13, 16Apr 04, 17[G01N, E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0275,874 REACTOR AND METHOD FOR PROPYLENE PRODUCTION BY STRATIFIED INJECTION OF HEAVY OIL AND LIGHT OLEFINSAbandonedNov 23, 10Nov 10, 11[C07C, B01J]

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