Inventor · disambiguated record
Paul L. Camwell
Also filed as: CAMWELL PAUL · CAMWELL PAUL L · CAMWELL PAUL LEONARD
29 granted patents·7 pending applications·596 citations·filing 1992–2015
97Inventor score
Files withCAMWELL PAUL L10XACT DOWNHOLE TELEMETRY INC10RYAN ENERGY TECHNOLOGIES INC4SCHLUMBERGER TECHNOLOGY CORP3DRUMHELLER DOUGLAS S2
Top patents by PatentIndex Score
36 records- 0194US8115651B2Drill string telemetry methods and apparatusCAMWELL PAUL L·Filed 2008·Granted Feb 14, 2012·71 cites·21 claims
- 0290US7252160B2Electromagnetic gap sub assemblyWEATHERFORD LAMB·Filed 2004·Granted Aug 7, 2007·50 cites·26 claims
- 0390US6572152B2Subassembly electrical isolation connector for drill rodRYAN ENERGY TECHNOLOGIES INC·Filed 2000·Granted Jun 3, 2003·47 cites·9 claims
- 0490US6050353ASubassembly electrical isolation connector for drill rodRYAN ENERGY TECHNOLOGIES INC·Filed 1998·Granted Apr 18, 2000·74 cites·10 claims
- 0589US8308199B2Electrical isolation connector for electromagnetic gap subCAMWELL PAUL L·Filed 2010·Granted Nov 13, 2012·12 cites·20 claims
- 0687US6956791B2Apparatus for receiving downhole acoustic signalsXACT DOWNHOLE TELEMETRY INC·Filed 2003·Granted Oct 18, 2005·65 cites·8 claims
- 0783US6158532ASubassembly electrical isolation connector for drill rodRYAN ENERGY TECHNOLOGIES INC·Filed 1999·Granted Dec 12, 2000·100 cites·18 claims
- 0881US6061024ADuplexing antenna for portable radio transceiverNOVATEL COMMUNICATIONS LTD·Filed 1992·Granted May 9, 2000·55 cites·3 claims
- 0979US7900968B2Electrical isolation connector for electromagnetic gap subSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Mar 8, 2011·16 cites·7 claims
- 1075US8393412B2System and method for accurate wellbore placementCAMWELL PAUL L·Filed 2010·Granted Mar 12, 2013·6 cites·27 claims
- 1174US8174929B2Spindle for mud pulse telemetry applicationsCAMWELL PAUL L·Filed 2008·Granted May 8, 2012·13 cites·19 claims
- 1274US7462957B2Multi-conductor plug and socket apparatusEXTREME ENGINEERING LTD·Filed 2003·Granted Dec 9, 2008·23 cites·12 claims
- 1370US10408050B2Acoustic receiver for use on a drill stringBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2014·Granted Sep 10, 2019·3 cites·28 claims
- 1470US8022840B2Telemetry transmitter optimization using time domain reflectometryXACT DOWNHOLE TELEMETRY INC·Filed 2010·Granted Sep 20, 2011·3 cites·2 claims
- 1567US8982667B2Acoustic telemetry stacked-ring wave delay isolator system and methodCAMWELL PAUL L·Filed 2010·Granted Mar 17, 2015·3 cites·14 claims
- 1666US7928861B2Telemetry wave detection apparatus and methodXACT DOWNHOLE TELEMETRY INC·Filed 2007·Granted Apr 19, 2011·8 cites·14 claims
- 1765US8823543B2Telemetry wave detection apparatus and methodCAMWELL PAUL L·Filed 2011·Granted Sep 2, 2014·2 cites·10 claims
- 1859US8437220B2Parallel-path acoustic telemetry isolation system and methodCAMWELL PAUL L·Filed 2010·Granted May 7, 2013·2 cites·21 claims
- 1958US6367323B1Dynamic pressure device for oil drill systemsRYAN ENERGY TECHNOLOGIES INC·Filed 2000·Granted Apr 9, 2002·25 cites·13 claims
- 2056US8270251B2Acoustic isolatorDRUMHELLER DOUGLAS S·Filed 2009·Granted Sep 18, 2012·4 cites·17 claims
- 2154US8922387B2Tapered thread EM gap sub self-aligning means and methodCAMWELL PAUL L·Filed 2011·Granted Dec 30, 2014·1 cites·5 claims
- 2254US7817061B2Telemetry transmitter optimization using time domain reflectometryXACT DOWNHOLE TELEMETRY INC·Filed 2007·Granted Oct 19, 2010·3 cites·18 claims
- 2353US7768423B2Telemetry transmitter optimization via inferred measured depthXACT DOWHOLE TELEMETRY INC·Filed 2007·Granted Aug 3, 2010·5 cites·15 claims
- 2449US2014112100A1Air hammer optimization using acoustic telemetryXACT DOWNHOLE TELEMETRY INC·Filed 2013·Application pending·0 cites
- 2548US9458712B2Acoustic telemetry stacked-ring wave delay isolator system and methodXACT DOWNHOLE TELEMETRY INC·Filed 2015·Granted Oct 4, 2016·0 cites·15 claims
- 2648US7821178B2Brush and brush housing arrangement to mitigate hydrodynamic brush lift in fluid-immersed electric motorsSCHLUMBERGER TECHNOLOGY CORP·Filed 2006·Granted Oct 26, 2010·2 cites·14 claims
- 2747US8634274B2Spindle for mud pulse telemetry applicationsCAMWELL PAUL L·Filed 2012·Granted Jan 21, 2014·0 cites·20 claims
- 2846US8624464B2Brush and brush housing arrangement to mitigate hydrodynamic brush lift in fluid-immersed electric motorsDOPF ANTHONY R·Filed 2010·Granted Jan 7, 2014·1 cites·14 claims
- 2944US6816053B2Circuit to mitigate transformer shorted turnEXTREME ENGINEERING LTD·Filed 2003·Granted Nov 9, 2004·2 cites·11 claims
- 3044US2010043229A1Electrical Isolation Connector For Electromagnetic Gap SubSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Application pending·0 cites
- 3144US2011141852A1Air hammer optimization using acoustic telemetryCAMWELL PAUL L·Filed 2010·Application pending·0 cites
- 3241US2016017704A1Range positioning tool for use within a casing or liner stringXACT DOWNHOLE TELEMETRY INC·Filed 2014·Application pending·0 cites
- 3338US2011069583A1Apparatus and method for acoustic telemetry measurement of well bore formation debris accumulationXACT DOWNHOLE TELEMETRY INC·Filed 2010·Application pending·0 cites
- 3437US2007257809A1Acoustic telemetry system optimizationXACT DOWNHOLE TELEMETRY INC·Filed 2007·Application pending·0 cites
- 3536US2007153629A1Acoustic isolatorDRUMHELLER DOUGLAS S·Filed 2006·Application pending·0 cites
- 3633US7872945B2Dynamic efficiency optimization of piezoelectric actuatorXACT DOWNHOLE TELEMETRY INC·Filed 2007·Granted Jan 18, 2011·0 cites·15 claims
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