Inventor · disambiguated record
John Ravensbergen
Also filed as: RAVENSBERGEN JOHN · RAVENSBERGEN JOHN E · RAVENSBERGEN JOHN EDWARD
51 granted patents·10 pending applications·867 citations·filing 1993–2022
98Inventor score
Files withNCS MULTISTAGE INC33BJ SERVICES CO10NCS OILFIELD SERVICES CANADA INC4RAVENSBERGEN JOHN E4RAVENSBERGEN JOHN EDWARD4
Top patents by PatentIndex Score
61 records- 0196US10465445B2Casing float toolNCS MULTISTAGE INC·Filed 2018·Granted Nov 5, 2019·18 cites·57 claims
- 0296US10066467B2Electrically actuated downhole flow control apparatusNCS MULTISTAGE INC·Filed 2016·Granted Sep 4, 2018·16 cites·92 claims
- 0395US10883315B2Casing float toolNCS MULTISTAGE INC·Filed 2020·Granted Jan 5, 2021·5 cites·18 claims
- 0495US9593542B2Casing float toolNCS OILFIELD SERVICES CANADA INC·Filed 2013·Granted Mar 14, 2017·54 cites·12 claims
- 0594US8695716B2Multi-zone fracturing completionRAVENSBERGEN JOHN EDWARD·Filed 2010·Granted Apr 15, 2014·24 cites·20 claims
- 0693US10208564B2Tubular airlock assemblyNCS MULTISTAGE LLC·Filed 2016·Granted Feb 19, 2019·12 cites·19 claims
- 0792US11180958B2Casing float toolNCS MULTISTAGE INC·Filed 2020·Granted Nov 23, 2021·3 cites·7 claims
- 0891US10883314B2Casing float toolNCS MULTISTAGE INC·Filed 2017·Granted Jan 5, 2021·5 cites·7 claims
- 0991US10151162B2Hydraulic locatorNCS MULTISTAGE INC·Filed 2015·Granted Dec 11, 2018·8 cites·23 claims
- 1090US9970262B2Downhole valve apparatusNCS MULTISTAGE INC·Filed 2015·Granted May 15, 2018·7 cites·36 claims
- 1190US7410003B2Dual purpose blow out preventerBJ SERVICES CO·Filed 2006·Granted Aug 12, 2008·45 cites·27 claims
- 1287US6832654B2Bottom hole assemblyBJ SERVICES CO·Filed 2002·Granted Dec 21, 2004·96 cites·27 claims
- 1387US6561289B2Bottomhole assembly and methods of useBJ SERVICES CO·Filed 2001·Granted May 13, 2003·84 cites·26 claims
- 1485US8944167B2Multi-zone fracturing completionRAVENSBERGEN JOHN EDWARD·Filed 2011·Granted Feb 3, 2015·10 cites·21 claims
- 1584US10180046B2Downhole flow control apparatus with screenNCS MULTISTAGE INC·Filed 2015·Granted Jan 15, 2019·6 cites·36 claims
- 1684US8613321B2Bottom hole assembly with ported completion and methods of fracturing therewithRAVENSBERGEN JOHN EDWARD·Filed 2010·Granted Dec 24, 2013·10 cites·40 claims
- 1784US7249633B2Release tool for coiled tubingBJ SERVICES CO·Filed 2004·Granted Jul 31, 2007·80 cites·47 claims
- 1881US9982512B2Apparatus and method for treating a reservoir using re-closeable sleevesNCS MULTISTAGE INC·Filed 2015·Granted May 29, 2018·3 cites·18 claims
- 1981US8276677B2Coiled tubing bottom hole assembly with packer and anchor assemblyRAVENSBERGEN JOHN E·Filed 2009·Granted Oct 2, 2012·17 cites·38 claims
- 2080US9903182B2Fracturing valve and fracturing tool stringNCS OILFIELD SERVICES CANADA INC·Filed 2014·Granted Feb 27, 2018·6 cites·30 claims
- 2178US6834722B2Cyclic check valve for coiled tubingBJ SERVICES CO·Filed 2003·Granted Dec 28, 2004·53 cites·23 claims
- 2277US10161207B2Apparatus, system and method for treating a reservoir using re-closeable sleeves and novel use of a shifting toolNCS MULTISTAGE INC·Filed 2015·Granted Dec 25, 2018·3 cites·13 claims
- 2376US11434735B2Apparatuses, systems and methods for producing hydrocarbon material from a subterranean formationNCS MULTISTAGE INC·Filed 2018·Granted Sep 6, 2022·2 cites·24 claims
- 2476US8931559B2Downhole isolation and depressurization toolGETZLAF DONALD·Filed 2012·Granted Jan 13, 2015·5 cites·14 claims
- 2575US10689950B2Apparatus, systems and methods for controlling flow communication with a subterranean formationNCS MULTISTAGE INC·Filed 2017·Granted Jun 23, 2020·2 cites·23 claims
- 2675US6832655B2Method for cleaning gravel packsBJ SERVICES CO·Filed 2002·Granted Dec 21, 2004·38 cites·48 claims
- 2774US11697968B2Casing float toolNCS MULTISTAGE INC·Filed 2022·Granted Jul 11, 2023·0 cites·43 claims
- 2873US6527067B1Lateral entry guidance system (LEGS)BJ SERVICES CO·Filed 2000·Granted Mar 4, 2003·47 cites·73 claims
- 2972US8651192B2Coiled tubing bottom hole assembly with packer and anchor assemblyRAVENSBERGEN JOHN E·Filed 2012·Granted Feb 18, 2014·3 cites·50 claims
- 3070US10808509B2Electrically actuated downhole flow control apparatusNCS MULTISTAGE INC·Filed 2018·Granted Oct 20, 2020·1 cites·11 claims
- 3170US6209652B1Deployment system method and apparatus for running bottomhole assemblies in wells, particularly applicable to coiled tubing operationsFiled 1998·Granted Apr 3, 2001·56 cites·25 claims
- 3268US10487626B2Fracturing valve and fracturing tool stringNCS MULTISTAGE INC·Filed 2018·Granted Nov 26, 2019·1 cites·31 claims
- 3368US8302692B2Valve for a sand slurry systemRAVENSBERGEN JOHN E·Filed 2012·Granted Nov 6, 2012·2 cites·7 claims
- 3468US2021115735A1Casing float toolNCS MULTISTAGE INC·Filed 2020·Application pending·0 cites
- 3567US7347259B2Downhole oilfield erosion protection by using diamondBJ SERVICES CO·Filed 2004·Granted Mar 25, 2008·14 cites·25 claims
- 3666US11821286B2Apparatuses, systems and methods for producing hydrocarbon material from a subterranean formationNCS MULTISTAGE INC·Filed 2022·Granted Nov 21, 2023·0 cites·24 claims
- 3766US8955603B2System and method for positioning a bottom hole assembly in a horizontal wellRAVENSBERGEN JOHN EDWARD·Filed 2011·Granted Feb 17, 2015·3 cites·37 claims
- 3865US9140098B2Downhole isolation and depressurization toolNCS OILFIELD SERVICES CANADA INC·Filed 2014·Granted Sep 22, 2015·2 cites·6 claims
- 3965US7086486B2Flow control valve and method of controlling rotation in a downhole toolBJ SERVICES CO·Filed 2004·Granted Aug 8, 2006·34 cites·31 claims
- 4064US6138757AApparatus and method for downhole fluid phase separationBJ SERVICES CO USA·Filed 1998·Granted Oct 31, 2000·40 cites·40 claims
- 4163US2019360301A1Casing float toolNCS MULTISTAGE INC·Filed 2019·Application pending·0 cites
- 4261US11549344B2Apparatuses, systems and methods for producing hydrocarbon material from a subterranean formation using a displacement processNCS MULTISTAGE INC·Filed 2021·Granted Jan 10, 2023·0 cites·12 claims
- 4358US10781664B2Plug-actuated flow control memberNCS MULTISTAGE INC·Filed 2018·Granted Sep 22, 2020·0 cites·22 claims
- 4456US5350013AMandrel operated torque anchorVARIPERM CANADA LIMITED·Filed 1993·Granted Sep 27, 1994·38 cites·13 claims
- 4556US2020190954A1Downhole flow control apparatusNCS MULTISTAGE INC·Filed 2020·Application pending·0 cites
- 4655US2018245430A1Apparatus and method for treating a reservoir using re-closeable sleevesNCS MULTISTAGE INC·Filed 2018·Application pending·0 cites
- 4754US10927651B2Apparatuses, systems and methods for producing hydrocarbon material from a subterranean formation using a displacement processNCS MULTISTAGE INC·Filed 2018·Granted Feb 23, 2021·0 cites·20 claims
- 4854USRE39292EApparatus and method for downhole fluid phase separationBJ SERVICES CO·Filed 2004·Granted Sep 19, 2006·14 cites·53 claims
- 4953US10612353B2Downhole flow control apparatusNCS MULTISTAGE INC·Filed 2016·Granted Apr 7, 2020·0 cites·4 claims
- 5052US11131164B2Apparatus, systems and methods for actuation of downhole toolsNCS MULTISTAGE INC·Filed 2019·Granted Sep 28, 2021·0 cites·20 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →