Assignee
BAROID TECHNOLOGY INC
US·93 granted patents·5,595 citations·filing 1986–1998
Top patents by PatentIndex Score
93 records- 0196US5558170AMethod and apparatus for improving drill bit stabilityBAROID TECHNOLOGY INC·Filed 1994·Granted Sep 24, 1996·222 cites·8 claims
- 0294US5864058ADetecting and reducing bit whirlBAROID TECHNOLOGY INC·Filed 1997·Granted Jan 26, 1999·187 cites·17 claims
- 0394US5293945ADownhole adjustable stabilizerBAROID TECHNOLOGY INC·Filed 1991·Granted Mar 15, 1994·173 cites·20 claims
- 0494US5163521ASystem for drilling deviated boreholesBAROID TECHNOLOGY INC·Filed 1991·Granted Nov 17, 1992·177 cites·20 claims
- 0593US5410303ASystem for drilling deivated boreholesBAROID TECHNOLOGY INC·Filed 1994·Granted Apr 25, 1995·212 cites·48 claims
- 0692US5720355ADrill bit instrumentation and method for controlling drilling or core-drillingBAROID TECHNOLOGY INC·Filed 1995·Granted Feb 24, 1998·220 cites·80 claims
- 0792US5389881AWell logging method and apparatus involving electromagnetic wave propagation providing variable depth of investigation by combining phase angle and amplitude attenuationBAROID TECHNOLOGY INC·Filed 1992·Granted Feb 14, 1995·94 cites·20 claims
- 0892US4940943AMethod and apparatus for optimizing the reception pattern of the antenna of a propagating electromagnetic wave logging toolBAROID TECHNOLOGY INC·Filed 1988·Granted Jul 10, 1990·84 cites·38 claims
- 0991US5265684ADownhole adjustable stabilizer and methodBAROID TECHNOLOGY INC·Filed 1991·Granted Nov 30, 1993·141 cites·85 claims
- 1091US5163321ABorehole pressure and temperature measurement systemBAROID TECHNOLOGY INC·Filed 1990·Granted Nov 17, 1992·209 cites·20 claims
- 1190US5278507AWell logging method and apparatus providing multiple depth of investigation using multiple transmitters and single receiver pair having depth of investigation independent of formation resistivityBAROID TECHNOLOGY INC·Filed 1991·Granted Jan 11, 1994·86 cites·8 claims
- 1290US5025708AActuator with automatic lockBAROID TECHNOLOGY INC·Filed 1990·Granted Jun 25, 1991·69 cites·26 claims
- 1389US6152227ADrilling and cementing through shallow waterflowsBAROID TECHNOLOGY INC·Filed 1998·Granted Nov 28, 2000·126 cites·19 claims
- 1489US5305836ASystem and method for controlling drill bit usage and well planBAROID TECHNOLOGY INC·Filed 1992·Granted Apr 26, 1994·179 cites·56 claims
- 1588US5602541ASystem for drilling deviated boreholesBAROID TECHNOLOGY INC·Filed 1995·Granted Feb 11, 1997·135 cites·32 claims
- 1688US5311953ADrill bit steeringBAROID TECHNOLOGY INC·Filed 1992·Granted May 17, 1994·118 cites·33 claims
- 1787US5066052AThreaded pipe joint having improved seal ring entrapmentBAROID TECHNOLOGY INC·Filed 1990·Granted Nov 19, 1991·61 cites·2 claims
- 1886US4938299AFlexible centralizerBAROID TECHNOLOGY INC·Filed 1989·Granted Jul 3, 1990·84 cites·16 claims
- 1986US4880067AApparatus for drilling a curved boreholeBAROID TECHNOLOGY INC·Filed 1988·Granted Nov 14, 1989·76 cites·8 claims
- 2085US5333699ADrill bit having polycrystalline diamond compact cutter with spherical first end opposite cutting endBAROID TECHNOLOGY INC·Filed 1992·Granted Aug 2, 1994·94 cites·28 claims
- 2184USRE35790ESystem for drilling deviated boreholesBAROID TECHNOLOGY INC·Filed 1996·Granted May 12, 1998·96 cites·20 claims
- 2284US5615740AInternal pressure sleeve for use with easily drillable exit portsBAROID TECHNOLOGY INC·Filed 1995·Granted Apr 1, 1997·110 cites·16 claims
- 2384US5454668AFlood barrier and a method for forming a flood barrierBAROID TECHNOLOGY INC·Filed 1994·Granted Oct 3, 1995·34 cites·10 claims
- 2484US5199683ABlowout preventer opening mechanismBAROID TECHNOLOGY INC·Filed 1992·Granted Apr 6, 1993·49 cites·19 claims
- 2583US6145378AAided inertial navigation systemBAROID TECHNOLOGY INC·Filed 1998·Granted Nov 14, 2000·91 cites·13 claims
- 2683US5449048ADrill bit having chip breaker polycrystalline diamond compact and hard metal insert at gauge surfaceBAROID TECHNOLOGY INC·Filed 1994·Granted Sep 12, 1995·81 cites·5 claims
- 2783US5282384AMethod for calculating sedimentary rock pore pressureBAROID TECHNOLOGY INC·Filed 1992·Granted Feb 1, 1994·120 cites·23 claims
- 2883US4976142ABorehole pressure and temperature measurement systemBAROID TECHNOLOGY INC·Filed 1989·Granted Dec 11, 1990·81 cites·20 claims
- 2983US4972703AMethod of predicting the torque and drag in directional wellsBAROID TECHNOLOGY INC·Filed 1989·Granted Nov 27, 1990·66 cites·6 claims
- 3083US4923008AHydraulic power system and methodBAROID TECHNOLOGY INC·Filed 1989·Granted May 8, 1990·62 cites·15 claims
- 3182US5579829AKeyless latch for orienting and anchoring downhole toolsBAROID TECHNOLOGY INC·Filed 1995·Granted Dec 3, 1996·104 cites·11 claims
- 3282US4981037AMethod for determining pore pressure and horizontal effective stress from overburden and effective vertical stressesBAROID TECHNOLOGY INC·Filed 1986·Granted Jan 1, 1991·88 cites·4 claims
- 3381US5451779AFormation density measurement apparatus and methodBAROID TECHNOLOGY INC·Filed 1993·Granted Sep 19, 1995·67 cites·43 claims
- 3481US5021170AOil-based well bore fluids and gellants thereforBAROID TECHNOLOGY INC·Filed 1987·Granted Jun 4, 1991·43 cites·21 claims
- 3580US4980642ADetection of influx of fluids invading a boreholeBAROID TECHNOLOGY INC·Filed 1990·Granted Dec 25, 1990·53 cites·24 claims
- 3679US5447207ADownhole toolBAROID TECHNOLOGY INC·Filed 1993·Granted Sep 5, 1995·68 cites·47 claims
- 3779US5028341AWell servicing fluidBAROID TECHNOLOGY INC·Filed 1990·Granted Jul 2, 1991·44 cites·20 claims
- 3879US4890645ARotary shear seal hydraulic valveBAROID TECHNOLOGY INC·Filed 1989·Granted Jan 2, 1990·45 cites·9 claims
- 3978US4991438AMagnetic fluid rebalance accelerometersBAROID TECHNOLOGY INC·Filed 1989·Granted Feb 12, 1991·35 cites·8 claims
- 4075US5955401AClay-free biodegradable wellbore fluid and method for using same fluidBAROID TECHNOLOGY INC·Filed 1996·Granted Sep 21, 1999·41 cites·4 claims
- 4175US5159577ATechnique for reducing whirling of a drill stringBAROID TECHNOLOGY INC·Filed 1991·Granted Oct 27, 1992·79 cites·20 claims
- 4275US5062349AFluid economizer control valve system for blowout preventersBAROID TECHNOLOGY INC·Filed 1990·Granted Nov 5, 1991·27 cites·10 claims
- 4375US4948428AGrouting composition and method for grouting conduits in well boresBAROID TECHNOLOGY INC·Filed 1988·Granted Aug 14, 1990·27 cites·33 claims
- 4473US5535835AStraight/directional drilling deviceBAROID TECHNOLOGY INC·Filed 1993·Granted Jul 16, 1996·55 cites·10 claims
- 4573US5058077ACompensation technique for eccentered MWD sensorsBAROID TECHNOLOGY INC·Filed 1990·Granted Oct 15, 1991·54 cites·26 claims
- 4671US5351765ACoring assembly and methodBAROID TECHNOLOGY INC·Filed 1993·Granted Oct 4, 1994·59 cites·22 claims
- 4771US4928767AMethod and apparatus for setting and retrieving a deflection toolBAROID TECHNOLOGY INC·Filed 1989·Granted May 29, 1990·44 cites·5 claims
- 4869US4864129ALogging apparatus and methodBAROID TECHNOLOGY INC·Filed 1988·Granted Sep 5, 1989·34 cites·16 claims
- 4968US5064164ABop seal with improved metal insertsBAROID TECHNOLOGY INC·Filed 1991·Granted Nov 12, 1991·47 cites·20 claims
- 5068US5044198AMethod of predicting the torque and drag in directional wellsBAROID TECHNOLOGY INC·Filed 1990·Granted Sep 3, 1991·47 cites·11 claims
Showing the top 50 of 93 patent records by PatentIndex Score.
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