Assignee
HALLIBURTON LOGGING SERVICES
US·114 granted patents·5,219 citations·filing 1985–1994
Top patents by PatentIndex Score
114 records- 0198US5428293ALogging while drilling apparatus with multiple depth of resistivity investigationHALLIBURTON LOGGING SERVICES·Filed 1993·Granted Jun 27, 1995·282 cites·28 claims
- 0298US4842059AFlex joint incorporating enclosed conductorsHALLIBURTON LOGGING SERVICES·Filed 1988·Granted Jun 27, 1989·181 cites·8 claims
- 0395US5367911ADevice for sensing fluid behaviorHALLIBURTON LOGGING SERVICES·Filed 1991·Granted Nov 29, 1994·252 cites·19 claims
- 0494US5115198APulsed electromagnetic dipmeter method and apparatus employing coils with finite spacingHALLIBURTON LOGGING SERVICES·Filed 1989·Granted May 19, 1992·103 cites·18 claims
- 0594US5045795AAzimuthally oriented coil array for MWD resistivity loggingHALLIBURTON LOGGING SERVICES·Filed 1990·Granted Sep 3, 1991·126 cites·9 claims
- 0694US4980643AInduction logging and apparatus utilizing skew signal measurements in dipping bedsHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Dec 25, 1990·104 cites·26 claims
- 0793US5203723ALow cost plastic hermetic electrical connectors for high pressure applicationHALLIBURTON LOGGING SERVICES·Filed 1992·Granted Apr 20, 1993·94 cites·12 claims
- 0893US5038107AMethod and apparatus for making induction measurements through casingHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Aug 6, 1991·90 cites·27 claims
- 0991US5230244AFormation flush pump system for use in a wireline formation test toolHALLIBURTON LOGGING SERVICES·Filed 1990·Granted Jul 27, 1993·144 cites·6 claims
- 1091US5188191AShock isolation sub for use with downhole explosive actuated toolsHALLIBURTON LOGGING SERVICES·Filed 1991·Granted Feb 23, 1993·70 cites·18 claims
- 1190US5406078AInduced gamma ray spectorscopy well logging systemHALLIBURTON LOGGING SERVICES·Filed 1994·Granted Apr 11, 1995·75 cites·11 claims
- 1290US5065099ACoil array for a high resolution induction logging tool and method of logging an earth formationHALLIBURTON LOGGING SERVICES·Filed 1990·Granted Nov 12, 1991·90 cites·14 claims
- 1389US5092056AReversed leaf spring energizing system for wellbore caliper armsHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Mar 3, 1992·73 cites·4 claims
- 1488US5184678AAcoustic flow stimulation method and apparatusHALLIBURTON LOGGING SERVICES·Filed 1991·Granted Feb 9, 1993·198 cites·14 claims
- 1588US4947683APulsed ultrasonic doppler borehole fluid measuring apparatusHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Aug 14, 1990·78 cites·17 claims
- 1687US4996489ALaboratory technique for measuring complex dielectric constant of rock core samplesHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Feb 26, 1991·49 cites·14 claims
- 1787US4879900AHydraulic system in formation test tools having a hydraulic pad pressure priority system and high speed extension of the setting pistonsHALLIBURTON LOGGING SERVICES·Filed 1988·Granted Nov 14, 1989·77 cites·12 claims
- 1886US4998477ADetonation transfer apparatus for initiating detonation of an insensitive detonating cord utilizing an initiating compound, flyer and shock reflectorHALLIBURTON LOGGING SERVICES·Filed 1990·Granted Mar 12, 1991·55 cites·13 claims
- 1983US5229765ASP noise cancellation techniqueHALLIBURTON LOGGING SERVICES·Filed 1991·Granted Jul 20, 1993·63 cites·15 claims
- 2082US5132903ADielectric measuring apparatus for determining oil and water mixtures in a well boreholeHALLIBURTON LOGGING SERVICES·Filed 1990·Granted Jul 21, 1992·82 cites·16 claims
- 2182US4979585ACompound suspension linkageHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Dec 25, 1990·54 cites·12 claims
- 2281US5233522AMultifrequency dielectric logging tool including antenna system responsive to invaded rock formationsHALLIBURTON LOGGING SERVICES·Filed 1991·Granted Aug 3, 1993·58 cites·10 claims
- 2381US4950844AMethod and apparatus for obtaining a core sample at ambient pressureHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Aug 21, 1990·63 cites·23 claims
- 2481US4944225AMethod and apparatus for firing exploding foil initiators over long firing linesHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Jul 31, 1990·59 cites·13 claims
- 2581US4891640AHigh temperature and pressure fiber optic feedthrough for borehole usageHALLIBURTON LOGGING SERVICES·Filed 1988·Granted Jan 2, 1990·46 cites·3 claims
- 2681US4874327AUniversal cable head for a multiconductor logging cableHALLIBURTON LOGGING SERVICES·Filed 1988·Granted Oct 17, 1989·42 cites·10 claims
- 2780US5040619AWireline supported perforating gun enabling oriented perforationsHALLIBURTON LOGGING SERVICES·Filed 1990·Granted Aug 20, 1991·78 cites·6 claims
- 2879US5461909AOxygen activation method for quantitative water flow measurements within and behind well bore casingHALLIBURTON LOGGING SERVICES·Filed 1994·Granted Oct 31, 1995·41 cites·14 claims
- 2979US5211714AWireline supported perforating gun enabling oriented perforationsHALLIBURTON LOGGING SERVICES·Filed 1990·Granted May 18, 1993·75 cites·9 claims
- 3076US5077471AMethod and apparatus for measuring horizontal fluid flow in downhole formations using injected radioactive tracer monitoringHALLIBURTON LOGGING SERVICES·Filed 1990·Granted Dec 31, 1991·61 cites·29 claims
- 3176US5062048AStretch corrected wireline depth measuring error and log quality indicator method and apparatusHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Oct 29, 1991·60 cites·10 claims
- 3276US4996017ANeutron generator tubeHALLIBURTON LOGGING SERVICES·Filed 1985·Granted Feb 26, 1991·57 cites·12 claims
- 3376US4845982AHydraulic circuit for use in wireline formation testerHALLIBURTON LOGGING SERVICES·Filed 1987·Granted Jul 11, 1989·49 cites·10 claims
- 3476US4843878AMethod and apparatus for instantaneously indicating permeability and horner plot slope relating to formation testingHALLIBURTON LOGGING SERVICES·Filed 1988·Granted Jul 4, 1989·53 cites·15 claims
- 3574US5162994AMethod for determining dip and strike angles in borehole ultrasonic scanning tool dataHALLIBURTON LOGGING SERVICES·Filed 1990·Granted Nov 10, 1992·50 cites·11 claims
- 3674US5095272AMethods for determining formation dip and strike using high frequency phase shiftHALLIBURTON LOGGING SERVICES·Filed 1990·Granted Mar 10, 1992·47 cites·12 claims
- 3773US4825073AMethod for determining depth of penetration of radioactive tracers in formation fracturesHALLIBURTON LOGGING SERVICES·Filed 1987·Granted Apr 25, 1989·44 cites·13 claims
- 3872US5357483ADownhole toolHALLIBURTON LOGGING SERVICES·Filed 1993·Granted Oct 18, 1994·58 cites·7 claims
- 3972US5044462AFocused planar transducerHALLIBURTON LOGGING SERVICES·Filed 1990·Granted Sep 3, 1991·43 cites·17 claims
- 4072US4857729AMethod of radioactive well loggingHALLIBURTON LOGGING SERVICES·Filed 1988·Granted Aug 15, 1989·44 cites·7 claims
- 4171US5434408AInduced gamma ray spectroscopy well logging systemHALLIBURTON LOGGING SERVICES·Filed 1993·Granted Jul 18, 1995·36 cites·23 claims
- 4271US5344337AElectrical connector with rubber boot sealHALLIBURTON LOGGING SERVICES·Filed 1993·Granted Sep 6, 1994·33 cites·6 claims
- 4371US4918314AGain stabilization circuit for photomultiplier tubesHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Apr 17, 1990·35 cites·8 claims
- 4470US5010333AAdvanced digital telemetry system for monocable transmission featuring multilevel correlative coding and adaptive transversal filter equalizerHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Apr 23, 1991·46 cites·24 claims
- 4570US4842355AMultichannel optical rotary joint for well logging usageHALLIBURTON LOGGING SERVICES·Filed 1988·Granted Jun 27, 1989·30 cites·15 claims
- 4669US5365229AAdaptive telemetry system for hostile environment well loggingHALLIBURTON LOGGING SERVICES·Filed 1994·Granted Nov 15, 1994·45 cites·7 claims
- 4769US5189645ADownhole toolHALLIBURTON LOGGING SERVICES·Filed 1991·Granted Feb 23, 1993·54 cites·5 claims
- 4869US5124952AFormation fracture detection using instantaneous characteristics of sonic waveformsHALLIBURTON LOGGING SERVICES·Filed 1989·Granted Jun 23, 1992·35 cites·24 claims
- 4969US4920883ADetonation transfer methods and apparatusHALLIBURTON LOGGING SERVICES·Filed 1989·Granted May 1, 1990·24 cites·2 claims
- 5069US4861986ATracer injection methodHALLIBURTON LOGGING SERVICES·Filed 1988·Granted Aug 29, 1989·37 cites·15 claims
Showing the top 50 of 114 patent records by PatentIndex Score.
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