Assignee
SCIENT DRILLING INT
US·35 granted patents·2 pending applications·1,348 citations·filing 1984–2014
Top patents by PatentIndex Score
37 records- 0192US5883516AApparatus and method for electric field telemetry employing component upper and lower housings in a well pipestringSCIENT DRILLING INT·Filed 1996·Granted Mar 16, 1999·137 cites·23 claims
- 0290US9045941B2Hybrid bearings for downhole motorsSCIENT DRILLING INT·Filed 2012·Granted Jun 2, 2015·29 cites·12 claims
- 0389US5130706ADirect switching modulation for electromagnetic borehole telemetrySCIENT DRILLING INT·Filed 1991·Granted Jul 14, 1992·122 cites·29 claims
- 0487US5389003AWireline wet connectionSCIENT DRILLING INT·Filed 1993·Granted Feb 14, 1995·69 cites·12 claims
- 0585US6396276B1Apparatus and method for electric field telemetry employing component upper and lower housings in a well pipestringSCIENT DRILLING INT·Filed 1999·Granted May 28, 2002·91 cites·8 claims
- 0685US6188223B1Electric field borehole telemetrySCIENT DRILLING INT·Filed 1997·Granted Feb 13, 2001·90 cites·13 claims
- 0783US6483310B1Retrievable, formation resistivity tool, having a slotted collarSCIENT DRILLING INT·Filed 2000·Granted Nov 19, 2002·54 cites·45 claims
- 0881US7518528B2Electric field communication for short range data transmission in a boreholeSCIENT DRILLING INT·Filed 2006·Granted Apr 14, 2009·18 cites·19 claims
- 0978US5155916AError reduction in compensation of drill string interference for magnetic survey toolsSCIENT DRILLING INT·Filed 1991·Granted Oct 20, 1992·73 cites·39 claims
- 1076US5520246AMulti-mode cushioning an instrument suspended in a wellSCIENT DRILLING INT·Filed 1994·Granted May 28, 1996·29 cites·19 claims
- 1175US6651496B2Inertially-stabilized magnetometer measuring apparatus for use in a borehole rotary environmentSCIENT DRILLING INT·Filed 2002·Granted Nov 25, 2003·43 cites·15 claims
- 1275US5321893ACalibration correction method for magnetic survey toolsSCIENT DRILLING INT·Filed 1993·Granted Jun 21, 1994·64 cites·22 claims
- 1372US7576532B2Motion transducer for motion related to the direction of the axis of an eddy-current displacement sensorSCIENT DRILLING INT·Filed 2007·Granted Aug 18, 2009·7 cites·4 claims
- 1472US4715022ADetection means for mud pulse telemetry systemSCIENT DRILLING INT·Filed 1986·Granted Dec 22, 1987·57 cites·13 claims
- 1569US8044819B1Coal boundary detection using an electric-field borehole telemetry apparatusSCIENT DRILLING INT·Filed 2006·Granted Oct 25, 2011·14 cites·11 claims
- 1669US6608565B1Downward communication in a borehole through drill string rotary modulationSCIENT DRILLING INT·Filed 2000·Granted Aug 19, 2003·42 cites·33 claims
- 1768US6816788B2Inertially-stabilized magnetometer measuring apparatus for use in a borehole rotary environmentSCIENT DRILLING INT·Filed 2003·Granted Nov 9, 2004·31 cites·7 claims
- 1868US5740127APulse production and control in drill stringsSCIENT DRILLING INT·Filed 1996·Granted Apr 14, 1998·65 cites·31 claims
- 1968US5366018AMiniature rope socket assembly for combined mechanical and electrical connection in a borehole wirelineSCIENT DRILLING INT·Filed 1993·Granted Nov 22, 1994·29 cites·27 claims
- 2066US7287605B2Steerable drilling apparatus having a differential displacement side-force exerting mechanismSCIENT DRILLING INT·Filed 2004·Granted Oct 30, 2007·30 cites·18 claims
- 2166US7028409B2Method for computation of differential azimuth from spaced-apart gravity component measurementsSCIENT DRILLING INT·Filed 2004·Granted Apr 18, 2006·26 cites·14 claims
- 2266US5590714AMulti-mode cushioning an instrument suspended in a wellSCIENT DRILLING INT·Filed 1996·Granted Jan 7, 1997·20 cites·19 claims
- 2364US6698516B2Method for magnetizing wellbore tubularsSCIENT DRILLING INT·Filed 2002·Granted Mar 2, 2004·29 cites·2 claims
- 2464US5960370AMethod to determine local variations of the earth's magnetic field and location of the source thereofSCIENT DRILLING INT·Filed 1997·Granted Sep 28, 1999·41 cites·22 claims
- 2562US4774694AWell information telemetry by variation of mud flow rateSCIENT DRILLING INT·Filed 1987·Granted Sep 27, 1988·34 cites·16 claims
- 2657US5836353AValve assembly for borehole telemetry in drilling fluidSCIENT DRILLING INT·Filed 1996·Granted Nov 17, 1998·36 cites·14 claims
- 2756US9291047B2Attitude reference for tieback/overlap processingSCIENT DRILLING INT·Filed 2013·Granted Mar 22, 2016·2 cites·21 claims
- 2855US6530154B2Method to detect deviations from a wellplan while drilling in the presence of magnetic interferenceSCIENT DRILLING INT·Filed 2001·Granted Mar 11, 2003·18 cites·16 claims
- 2953US4694439AWell information telemetry by variation of mud flow rateSCIENT DRILLING INT·Filed 1986·Granted Sep 15, 1987·25 cites·16 claims
- 3051US9093875B2Downhole apparatus for electrical power generation from shaft flexureSCIENT DRILLING INT·Filed 2012·Granted Jul 28, 2015·0 cites·18 claims
- 3143US2007237281A1Neutron generator tube having reduced internal voltage gradients and longer lifetimeSCIENT DRILLING INT·Filed 2005·Application pending·0 cites
- 3242US5507348AApparatus for locking wire line instrument to drill collarSCIENT DRILLING INT·Filed 1994·Granted Apr 16, 1996·15 cites·18 claims
- 3338US7225888B1Hydraulic fluid couplingSCIENT DRILLING INT·Filed 2004·Granted Jun 5, 2007·2 cites·25 claims
- 3436US2008034856A1Reduced-length measure while drilling apparatus using electric field short range data transmissionSCIENT DRILLING INT·Filed 2007·Application pending·0 cites
- 3534US9309738B2Break-away support ring for wellbore apparatusSCIENT DRILLING INT·Filed 2014·Granted Apr 12, 2016·0 cites·20 claims
- 3633US9309720B2Double shaft drilling apparatus with hanger bearingsSCIENT DRILLING INT·Filed 2012·Granted Apr 12, 2016·0 cites·17 claims
- 3725US4649344ATest circuit for detector used in well boreSCIENT DRILLING INT·Filed 1984·Granted Mar 10, 1987·6 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →