CHINA NATIONAL PETROLEUM CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 1086
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 1070
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL466
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2107
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF277
 
  
 
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION 260
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 177
 
  
 
E03B INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER 112
 
  
 
E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING138
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0168,573 GEOLOGIC QUALITY FACTOR INVERSION METHODDec 11, 12Jun 18, 15[G01V]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9880313 Reconfigurable well logging systemNov 10, 15Jan 30, 18[E21B, G01V]
9816327 Information transmission apparatus for logging while drillingJun 18, 13Nov 14, 17[F16L, E21B]
9725658 Method of processing low-grade heavy oilJun 04, 14Aug 08, 17[C10G]
9382124 Synthesis method for ETS-10 titanosilicate molecular sieveDec 13, 12Jul 05, 16[C01B, B01J]
9316069 Guide device for coiled tubingApr 13, 12Apr 19, 16[E21B]
9297196 Lift and rotation mechanism for quick door-opening deviceAug 03, 12Mar 29, 16[E06B, E05F, F16J]
9213124 Restorable antennae apparatus and system for well loggingMar 22, 13Dec 15, 15[E21B, G01V]
9213125 Well logging apparatus and systemMar 22, 13Dec 15, 15[E21B, G01V]
9194970 Method of poles configuration with four poles inter-combination for marine electromagnetic surveyingMar 11, 11Nov 24, 15[G01R, G01V]
9127655 Liquid nitrogen pump equipment load testing and experimenting apparatus and testing and experimenting method thereofSep 28, 11Sep 08, 15[F04B, E03B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0327,125 METHOD FOR GEOCHEMICAL GRANDIENT EXPLORATIONAbandonedMar 11, 11Dec 12, 13[G01N]
2012/0166,160 BLOCK MODEL CONSTRUCTING METHOD FOR COMPLEX GEOLOGICAL STRUCTURESAbandonedFeb 02, 10Jun 28, 12[G06F]
2011/0010,098 METHOD OF PRE-STACK TWO-DIMENSION-LIKE TRANSFORMATION OF THREE-DIMENSIONAL SEISMIC RECORDAbandonedFeb 24, 09Jan 13, 11[G06F, G01V]

Top Inventors for This Owner

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