CORE LABORATORIES LP

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 690
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 4202
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 476
 
  
 
B66C CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES 229
 
  
 
G21G CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES 116

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9682848 System and method for a self-contained lifting deviceSep 04, 14Jun 20, 17[B66C]
8843319 Systems and methods for the determination of formation water resistivity and conductivityOct 14, 11Sep 23, 14[G01V]
8076158 Enhanced process for preparing core sample thin sectionsMay 05, 08Dec 13, 11[G01N]
7542139 Method and apparatus for determining characteristics of particles in a fluid sampleJul 17, 06Jun 02, 09[G01N]
7410011 Method to determine the concentration of deuterium oxide in a subterranean formationMar 14, 06Aug 12, 08[E21B]
7347260 Method for determining tracer concentration in oil and gas production fluidsOct 24, 05Mar 25, 08[E21B]
7079242 Method and apparatus for determining characteristics of particles in a fluid sampleDec 19, 03Jul 18, 06[G01N]
7059404 Variable intensity memory gravel pack imaging apparatus and methodApr 28, 03Jun 13, 06[E21B]
7032662 Method for determining the extent of recovery of materials injected into oil wells or subsurface formations during oil and gas exploration and productionNov 12, 03Apr 25, 06[E21B]
6659175 Method for determining the extent of recovery of materials injected into oil wells during oil and gas exploration and productionMay 23, 02Dec 09, 03[G01N, E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0090,835 SYSTEMS AND METHODS FOR THE DETERMINATION OF GAS PERMEABILITYAbandonedSep 28, 12Apr 03, 14[G01N, E21B]
2008/0116,365 Gamma ray spectral tool for improved accuracy and reproducibility in wellbore loggingAbandonedNov 16, 06May 22, 08[G01V]
2007/0214,878 Use of deuterium oxide-depleted water as a tracer in downhole and core analysis applicationsAbandonedMar 14, 06Sep 20, 07[E21B]
2006/0052,251 Time release multisource marker and method of deploymentAbandonedSep 09, 04Mar 09, 06[C09K]
2004/0162,677 Method and system for distributed tomographic velocity analysis using dense p-mapsAbandonedOct 06, 03Aug 19, 04[G01V]
5194059 Magnetically controlled exerciser for exercising armsExpiredJan 07, 92Mar 16, 93[A63B]
5048531 Pressure sensors and manufacture thereofExpiredOct 04, 89Sep 17, 91[A61B]
5049743 Surface located isotope tracer injection apparatusExpiredJan 17, 90Sep 17, 91[G21H]
4742870 Heat exchangerExpiredOct 29, 86May 10, 88[F28D]
4566311 Mercury pumpExpiredSep 10, 84Jan 28, 86[G01N]
4562726 Method and apparatus for testing the compressibility of subterranean samplesExpiredJul 02, 84Jan 07, 86[G01N]
4555934 Method and apparatus for nonsteady state testing of permeabilityExpiredSep 29, 82Dec 03, 85[G01N]
4539837 Driven-capillary viscosimeterExpiredAug 17, 84Sep 10, 85[G01N]
4537063 Nonsteady-state core holderExpiredMay 17, 84Aug 27, 85[G01N]
4524420 Signal processing apparatusExpiredAug 25, 82Jun 18, 85[G06F]
4426878 ViscosimeterExpiredOct 13, 81Jan 24, 84[G01N]
4419879 Particle measuring apparatusExpiredOct 16, 81Dec 13, 83[G01N]
4419314 Method of coating core samplesExpiredMay 26, 81Dec 06, 83[B29C]
4402229 Cable tension measuring apparatusExpiredJul 17, 81Sep 06, 83[G01L]
4366701 Octane measuringExpiredJun 16, 80Jan 04, 83[G01N]

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