US4785895A
(en)
*
|
1988-03-10 |
1988-11-22 |
Exxon Production Research Company |
Drill bit with wear indicating feature
|
US4785894A
(en)
*
|
1988-03-10 |
1988-11-22 |
Exxon Production Research Company |
Apparatus for detecting drill bit wear
|
US4876886A
(en)
*
|
1988-04-04 |
1989-10-31 |
Anadrill, Inc. |
Method for detecting drilling events from measurement while drilling sensors
|
US4911252A
(en)
*
|
1989-02-22 |
1990-03-27 |
Estes Roy D |
Rock bit loose cone indicator
|
EP0728915B1
(en)
*
|
1995-02-16 |
2006-01-04 |
Baker Hughes Incorporated |
Method and apparatus for monitoring and recording of operating conditions of a downhole drill bit during drilling operations
|
US6571886B1
(en)
|
1995-02-16 |
2003-06-03 |
Baker Hughes Incorporated |
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
|
US6230822B1
(en)
|
1995-02-16 |
2001-05-15 |
Baker Hughes Incorporated |
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
|
GB2365135A
(en)
*
|
2000-06-29 |
2002-02-13 |
Rotech Holdings Ltd |
Device for monitoring and indicating rotation of machinery
|
US6631772B2
(en)
*
|
2000-08-21 |
2003-10-14 |
Halliburton Energy Services, Inc. |
Roller bit rearing wear detection system and method
|
US6634441B2
(en)
*
|
2000-08-21 |
2003-10-21 |
Halliburton Energy Services, Inc. |
System and method for detecting roller bit bearing wear through cessation of roller element rotation
|
US6725947B2
(en)
*
|
2000-08-21 |
2004-04-27 |
Halliburton Energy Services, Inc. |
Roller bits with bearing failure indication, and related methods, systems, and methods of manufacturing
|
DE60120294D1
(de)
|
2000-08-23 |
2006-07-20 |
Camco Int Uk Ltd |
Indikator für das Versagen des Lagers eines Rollenbohrmeissels
|
GB2382611B
(en)
*
|
2000-10-27 |
2004-04-14 |
Baker Hughes Inc |
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
|
FR2815999B1
(fr)
*
|
2000-10-31 |
2003-04-18 |
Entpr Quilleru Et Cie |
Outil de coupe a detection d'usure, dispositif et procede de detection d'usure des outils de coupe
|
US7357197B2
(en)
|
2000-11-07 |
2008-04-15 |
Halliburton Energy Services, Inc. |
Method and apparatus for monitoring the condition of a downhole drill bit, and communicating the condition to the surface
|
US6817425B2
(en)
|
2000-11-07 |
2004-11-16 |
Halliburton Energy Serv Inc |
Mean strain ratio analysis method and system for detecting drill bit failure and signaling surface operator
|
US6648082B2
(en)
|
2000-11-07 |
2003-11-18 |
Halliburton Energy Services, Inc. |
Differential sensor measurement method and apparatus to detect a drill bit failure and signal surface operator
|
US6722450B2
(en)
|
2000-11-07 |
2004-04-20 |
Halliburton Energy Svcs. Inc. |
Adaptive filter prediction method and system for detecting drill bit failure and signaling surface operator
|
US6712160B1
(en)
|
2000-11-07 |
2004-03-30 |
Halliburton Energy Services Inc. |
Leadless sub assembly for downhole detection system
|
US6681633B2
(en)
|
2000-11-07 |
2004-01-27 |
Halliburton Energy Services, Inc. |
Spectral power ratio method and system for detecting drill bit failure and signaling surface operator
|
WO2002088507A2
(en)
*
|
2001-04-26 |
2002-11-07 |
Halliburton Energy Services, Inc. |
Roller cone bits with reduced packing
|
US6814162B2
(en)
|
2002-08-09 |
2004-11-09 |
Smith International, Inc. |
One cone bit with interchangeable cutting structures, a box-end connection, and integral sensory devices
|
EP2041389B1
(en)
*
|
2006-06-09 |
2010-08-11 |
University Court Of The University Of Aberdeen |
Resonance enhanced drilling: method and apparatus
|
US7404457B2
(en)
*
|
2006-06-30 |
2008-07-29 |
Baker Huges Incorporated |
Downhole abrading tools having fusible material and methods of detecting tool wear
|
US7424910B2
(en)
*
|
2006-06-30 |
2008-09-16 |
Baker Hughes Incorporated |
Downhole abrading tools having a hydrostatic chamber and uses therefor
|
US7464771B2
(en)
*
|
2006-06-30 |
2008-12-16 |
Baker Hughes Incorporated |
Downhole abrading tool having taggants for indicating excessive wear
|
US7484571B2
(en)
*
|
2006-06-30 |
2009-02-03 |
Baker Hughes Incorporated |
Downhole abrading tools having excessive wear indicator
|
US7565928B2
(en)
*
|
2006-06-30 |
2009-07-28 |
Baker Hughes Incorporated |
Downhole abrading tool having a taggant injection assembly for indicating excessive wear
|
US8006781B2
(en)
|
2008-12-04 |
2011-08-30 |
Baker Hughes Incorporated |
Method of monitoring wear of rock bit cutters
|
US20100139987A1
(en)
*
|
2008-12-10 |
2010-06-10 |
Baker Hughes Incorporated |
Real time dull grading
|
US9624729B2
(en)
|
2008-12-10 |
2017-04-18 |
Baker Hughes Incorporated |
Real time bit monitoring
|
US9145741B2
(en)
*
|
2011-06-13 |
2015-09-29 |
Baker Hughes Incorporated |
Cutting elements comprising sensors, earth-boring tools having such sensors, and associated methods
|
US9140113B2
(en)
*
|
2012-01-12 |
2015-09-22 |
Weatherford Technology Holdings, Llc |
Instrumented rod rotator
|
US9169697B2
(en)
|
2012-03-27 |
2015-10-27 |
Baker Hughes Incorporated |
Identification emitters for determining mill life of a downhole tool and methods of using same
|
US10077617B2
(en)
*
|
2015-03-20 |
2018-09-18 |
William T. Bell |
Well tool centralizer systems and methods
|
US11814948B2
(en)
|
2017-12-31 |
2023-11-14 |
Walter Phillips |
Apparatus and method for detecting the rotation of a rod-string in a wellbore
|
BR102018008190A2
(pt)
*
|
2018-04-24 |
2019-11-05 |
Petroleo Brasileiro Sa Petrobras |
sistema e método de monitoramento de desgaste de uma broca de perfuração
|
WO2019220197A1
(en)
*
|
2018-05-15 |
2019-11-21 |
Saudi Arabian Oil Company |
Drill bit system
|
US10934783B2
(en)
|
2018-10-03 |
2021-03-02 |
Saudi Arabian Oil Company |
Drill bit valve
|
US11492898B2
(en)
|
2019-04-18 |
2022-11-08 |
Saudi Arabian Oil Company |
Drilling system having wireless sensors
|