Halliburton Logging Services, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01V GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS 1169
 
  
 
E21B EARTH OR ROCK DRILLING 888
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 158
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5672867 Method for filtering gamma ray well logging tool response to enhance vertical detail while suppressing statistical noiseSep 26, 94Sep 30, 97[G01V]
5461909 Oxygen activation method for quantitative water flow measurements within and behind well bore casingSep 23, 94Oct 31, 95[G01N, E21B, G01F, G01V]
5434408 Induced gamma ray spectroscopy well logging systemFeb 16, 93Jul 18, 95[G01V]
5406078 Induced gamma ray spectorscopy well logging systemMar 28, 94Apr 11, 95[G01V]
5375659 Sonde supported operating system for control of formation production fluid flowMay 09, 94Dec 27, 94[E21B]
5377105 Enhanced vertical resolution processing of dual-spaced neutron and density toolsNov 24, 93Dec 27, 94[G01V]
5365229 Adaptive telemetry system for hostile environment well loggingMar 22, 94Nov 15, 94[G01V]
5357797 Method and apparatus for correcting MWD porosity measurementSep 22, 93Oct 25, 94[E21B, G01V]
5359195 Gas hold up tool for use in cased well boreholesFeb 26, 92Oct 25, 94[G01V]
5259466 Method and apparatus for orienting a perforating stringJun 11, 92Nov 09, 93[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5506769 Method for enhancing vertical resolution of nuclear well logging instrumentsExpiredAug 02, 94Apr 09, 96[G06F]
5367262 Advances in high frequency dielectric loggingExpiredFeb 14, 94Nov 22, 94[G01V]
5349528 Method apparatus for determination of porosity lithological compositionExpiredFeb 23, 93Sep 20, 94[E21B, G01V]
5344337 Electrical connector with rubber boot sealExpiredJun 21, 93Sep 06, 94[H01R]
5313025 Displacement amplified acoustic transmitterExpiredMay 05, 93May 17, 94[G01V]
5272336 Temperature corrections of measurements made with scintillation detectorsExpiredJan 31, 92Dec 21, 93[G01V]
5265462 Method and apparatus for determining permeability, diffusivity, porosity, and gas storage in gas-containing substratesExpiredMay 13, 92Nov 30, 93[G01N]
5253719 Process for diagnosing formation damage mechanism through the use of radially oriented core samples cut from the wellbore wallExpiredJun 15, 92Oct 19, 93[E21B]
5247776 Method for offshore rig up platform portable mastExpiredAug 03, 92Sep 28, 93[E04G]
5239267 Method for improving the accuracy of dip determination using adjustable high pass filtersExpiredMay 15, 91Aug 24, 93[G01V]
5231874 Buffer arrangement with back flushing of a quartz pressure transducer in a formation testing deviceExpiredAug 21, 91Aug 03, 93[G01L, E21B]
5230244 Formation flush pump system for use in a wireline formation test toolExpiredJun 28, 90Jul 27, 93[E21B]
5229765 SP noise cancellation techniqueExpiredMay 08, 91Jul 20, 93[G01V]
5227972 Matched filter data smoothing systemExpiredSep 18, 89Jul 13, 93[G01V]
5211714 Wireline supported perforating gun enabling oriented perforationsExpiredSep 13, 90May 18, 93[E21B]
5207104 Method for determination of the in situ compressive strength of formations penetrated by a well boreholeExpiredAug 06, 91May 04, 93[G01N]
5203723 Low cost plastic hermetic electrical connectors for high pressure applicationExpiredFeb 27, 92Apr 20, 93[H01R]
5191290 Logging apparatus for measurement of earth formation resistivityExpiredOct 29, 90Mar 02, 93[G01V]
5187661 Method of determining invaded formation properties including resistivity dielectric constant and zone diameterExpiredJul 21, 89Feb 16, 93[G01V]
5170844 Pressure responsive below-packer valve apparatusExpiredSep 11, 91Dec 15, 92[E21B]

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