Inventor · disambiguated record
Ashley Bernard Johnson
Also filed as: JOHNSON ASHLEY · JOHNSON ASHLEY B · JOHNSON ASHLEY BERNARD
92 granted patents·27 pending applications·1,409 citations·filing 1996–2025
99Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP88JOHNSON ASHLEY6JOHNSON ASHLEY BERNARD6SHEPPARD MICHAEL CHARLES3HAUGVALDSTAD KJELL2
Top patents by PatentIndex Score
119 records- 0197US7946341B2Systems and methods for distributed interferometric acoustic monitoringSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted May 24, 2011·148 cites·21 claims
- 0296US10458224B2Monitoring of equipment associated with a borehole/conduitSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Oct 29, 2019·21 cites·52 claims
- 0396US8225867B2Systems and methods for distributed interferometric acoustic monitoringHARTOG ARTHUR H·Filed 2011·Granted Jul 24, 2012·31 cites·14 claims
- 0495US8347958B2Systems and methods for distributed interferometric acoustic monitoringSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Jan 8, 2013·17 cites·24 claims
- 0593US6874579B2Creating an underbalance condition in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Apr 5, 2005·44 cites·6 claims
- 0693US6732798B2Controlling transient underbalance in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted May 11, 2004·96 cites·28 claims
- 0793US6598682B2Reservoir communication with a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2001·Granted Jul 29, 2003·150 cites·37 claims
- 0892US12449163B2Boosting well performance in geothermal systemsSCHLUMBERGER TECHNOLOGY CORP·Filed 2023·Granted Oct 21, 2025·2 cites·20 claims
- 0992US7455108B2Radio frequency tags for turbulent flowsSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Nov 25, 2008·58 cites·16 claims
- 1090US11732571B2Downhole tool with sensor set(s) sensitive to circumferential, axial, or radial forcesSCHLUMBERGER TECHNOLOGY CORP·Filed 2022·Granted Aug 22, 2023·2 cites·20 claims
- 1188US10449477B2Intelligent mud-gas separation and handling systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2017·Granted Oct 22, 2019·3 cites·8 claims
- 1288US6993432B2System and method for wellbore communicationSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Jan 31, 2006·87 cites·46 claims
- 1387US12286839B2Devices and systems for cutting element assembliesSCHLUMBERGER TECHNOLOGY CORP·Filed 2023·Granted Apr 29, 2025·1 cites·8 claims
- 1487US8763726B2Drill bit gauge pad controlJOHNSON ASHLEY BERNARD·Filed 2008·Granted Jul 1, 2014·32 cites·6 claims
- 1587US8746368B2Compliantly coupled gauge pad systemJOHNSON ASHLEY BERNARD·Filed 2011·Granted Jun 10, 2014·12 cites·14 claims
- 1686US12435705B2Intervention combinations to boost well performance in geothermal systemsSCHLUMBERGER TECHNOLOGY CORP·Filed 2024·Granted Oct 7, 2025·2 cites·20 claims
- 1785US7845430B2Compliantly coupled cutting systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Dec 7, 2010·23 cites·25 claims
- 1885US7784339B2Perforation logging tool and methodSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Aug 31, 2010·27 cites·12 claims
- 1984US9581475B2Multiphase flowmeterJOHNSON ASHLEY BERNARD·Filed 2012·Granted Feb 28, 2017·7 cites·19 claims
- 2084US8172007B2System and method of monitoring flow in a wellboreDOLMAN LEE·Filed 2009·Granted May 8, 2012·37 cites·21 claims
- 2184US7669653B2System and method for maintaining zonal isolation in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Mar 2, 2010·75 cites·50 claims
- 2284US5944123AHydraulic jetting systemSCHLUMBERGER TECHNOLOGY CORP·Filed 1996·Granted Aug 31, 1999·110 cites·20 claims
- 2383US8534380B2System and method for directional drilling a borehole with a rotary drilling systemSHEPPARD MICHAEL CHARLES·Filed 2008·Granted Sep 17, 2013·22 cites·16 claims
- 2483US7971661B2Motor bit systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Jul 5, 2011·19 cites·30 claims
- 2581US10533386B2Discharge coefficient determination of a managed pressure drilling choke/valveSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Jan 14, 2020·6 cites·13 claims
- 2681US9797235B2Drilling optimization with a downhole motorRINGER MAURICE·Filed 2011·Granted Oct 24, 2017·4 cites·22 claims
- 2781US9574432B2Optimized drillingRINGER MAURICE·Filed 2011·Granted Feb 21, 2017·4 cites·20 claims
- 2880US8757294B2System and method for controlling a drilling system for drilling a borehole in an earth formationJOHNSON ASHLEY·Filed 2007·Granted Jun 24, 2014·21 cites·32 claims
- 2980US8727036B2System and method for drillingJOHNSON ASHLEY·Filed 2009·Granted May 20, 2014·17 cites·21 claims
- 3079US9494028B2Measuring speed of rotation of a downhole motorJOHNSON ASHLEY·Filed 2011·Granted Nov 15, 2016·3 cites·18 claims
- 3179US8770283B2Systems and methods for distributed interferometric acoustic monitoringSCHLUMBERGER TECHNOLOGY CORP·Filed 2012·Granted Jul 8, 2014·6 cites·21 claims
- 3279US7458421B2Methods and systems for robust and accurate determination of wireline depth in a boreholeSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Dec 2, 2008·17 cites·15 claims
- 3378US9598904B2Method for torque stabilization of a drilling systemALDRED WALTER·Filed 2010·Granted Mar 21, 2017·8 cites·7 claims
- 3478US6966377B2Providing a low pressure condition in a wellbore regionSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Nov 22, 2005·39 cites·15 claims
- 3575US6062311AJetting tool for well cleaningSCHLUMBERGER TECHNOLOGY CORP·Filed 1997·Granted May 16, 2000·68 cites·9 claims
- 3674US10233698B2Instrumented rotary tools with attached cuttersSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Mar 19, 2019·5 cites·17 claims
- 3773US2025163798A1Monitoring drilling parametersSCHLUMBERGER TECHNOLOGY CORP·Filed 2024·Application pending·0 cites
- 3872US8347963B2Controlling transient underbalance in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Granted Jan 8, 2013·9 cites·7 claims
- 3972US8307913B2Drilling system with drill string valvesDOLMAN LEE F·Filed 2008·Granted Nov 13, 2012·17 cites·15 claims
- 4072US2025034989A1Monitoring drilling parametersSCHLUMBERGER TECHNOLOGY CORP·Filed 2024·Application pending·0 cites
- 4172US2025223874A1Devices and systems for cutting element assembliesSCHLUMBERGER TECHNOLOGY CORP·Filed 2025·Application pending·0 cites
- 4271US11118406B2Drilling systems and methodsSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted Sep 14, 2021·2 cites·18 claims
- 4371US8899352B2System and method for drillingJOHNSON ASHLEY·Filed 2009·Granted Dec 2, 2014·10 cites·23 claims
- 4471US8066085B2Stochastic bit noise controlJOHNSON ASHLEY BERNARD·Filed 2008·Granted Nov 29, 2011·10 cites·10 claims
- 4571US2025342487A1Operational emissions frameworkSCHLUMBERGER TECHNOLOGY CORP·Filed 2025·Application pending·0 cites
- 4670US11814909B2Anti-whirl stabilization toolsSCHLUMBERGER TECHNOLOGY CORP·Filed 2022·Granted Nov 14, 2023·0 cites·21 claims
- 4769US2025093076A1Closed well loop for a geothermal systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2024·Application pending·0 cites
- 4868US12473826B1Instrumented movable drill bit cutterSCHLUMBERGER TECHNOLOGY CORP·Filed 2024·Granted Nov 18, 2025·0 cites·19 claims
- 4968US7942214B2Steerable drilling systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted May 17, 2011·11 cites·13 claims
- 5066US2020047099A1Intelligent mud-gas separation and handling systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Application pending·0 cites
Showing the top 50 of 119 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Ashley Bernard Johnson files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →