Assignee
TRINH TU TIEN
US·15 granted patents·151 citations·filing 2008–2012
Top patents by PatentIndex Score
15 records- 0195US9145741B2Cutting elements comprising sensors, earth-boring tools having such sensors, and associated methodsTRINH TU TIEN·Filed 2011·Granted Sep 29, 2015·23 cites·18 claims
- 0292US8215384B2Bit based formation evaluation and drill bit and drill string analysis using an acoustic sensorTRINH TU TIEN·Filed 2008·Granted Jul 10, 2012·35 cites·25 claims
- 0386US8245792B2Drill bit with weight and torque sensors and method of making a drill bitTRINH TU TIEN·Filed 2008·Granted Aug 21, 2012·28 cites·16 claims
- 0485US8695728B2Formation evaluation using a bit-based active radiation source and a gamma ray detectorTRINH TU TIEN·Filed 2011·Granted Apr 15, 2014·7 cites·18 claims
- 0583US8210280B2Bit based formation evaluation using a gamma ray sensorTRINH TU TIEN·Filed 2008·Granted Jul 3, 2012·22 cites·19 claims
- 0676US8777088B2Methods for attaching cutting elements to earth-boring tools using tapered surfacesTRINH TU TIEN·Filed 2012·Granted Jul 15, 2014·5 cites·14 claims
- 0776US8573326B2Method and apparatus to adjust weight-on-bit/torque-on-bit sensor biasTRINH TU TIEN·Filed 2011·Granted Nov 5, 2013·5 cites·14 claims
- 0875US8893822B2Apparatus and methods for real time communication between drill bit and drilling assemblyTRINH TU TIEN·Filed 2011·Granted Nov 25, 2014·5 cites·19 claims
- 0971US9328561B2Drill bits with sensors for formation evaluationTRINH TU TIEN·Filed 2012·Granted May 3, 2016·3 cites·23 claims
- 1070US8240403B2Earth-boring tools with improved retention of cutting elements installed within pocketsTRINH TU TIEN·Filed 2010·Granted Aug 14, 2012·3 cites·19 claims
- 1168US8573327B2Apparatus and methods for estimating tool inclination using bit-based gamma ray sensorsTRINH TU TIEN·Filed 2011·Granted Nov 5, 2013·3 cites·25 claims
- 1268US8245793B2Apparatus and method for determining corrected weight-on-bitTRINH TU TIEN·Filed 2009·Granted Aug 21, 2012·10 cites·15 claims
- 1355US9920614B2Apparatus and method for drilling wellbores based on mechanical specific energy determined from bit-based weight and torque sensorsTRINH TU TIEN·Filed 2012·Granted Mar 20, 2018·1 cites·18 claims
- 1451US8887832B2Apparatus and methods for corrosion protection of downhole toolsTRINH TU TIEN·Filed 2011·Granted Nov 18, 2014·1 cites·10 claims
- 1541US9004161B2Apparatus and methods for real time communication in drill stringsTRINH TU TIEN·Filed 2011·Granted Apr 14, 2015·0 cites·17 claims
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