Inventor · disambiguated record
Christopher N. Fredd
Also filed as: FREDD CHRISTOPHER · FREDD CHRISTOPHER N
30 granted patents·8 pending applications·1,199 citations·filing 2002–2025
98Inventor score
Files withSCHLUMBERGER TECHNOLOGY CORP20WILLBERG DEAN3WILLBERG DEAN M3CLARK WILLIAM ERNEST2MAKARYCHEV-MIKHAILOV SERGEY MIKHAILOVICH2
Top patents by PatentIndex Score
38 records- 0199US7275596B2Method of using degradable fiber systems for stimulationSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Oct 2, 2007·135 cites·31 claims
- 0298US8230925B2Degradable fiber systems for stimulationWILLBERG DEAN M·Filed 2010·Granted Jul 31, 2012·38 cites·15 claims
- 0398US7380600B2Degradable material assisted diversion or isolationSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Jun 3, 2008·125 cites·25 claims
- 0497US7833950B2Degradable fiber systems for stimulationSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Nov 16, 2010·46 cites·19 claims
- 0597US7775278B2Degradable material assisted diversion or isolationSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Aug 17, 2010·81 cites·32 claims
- 0697US7398826B2Well treatment with dissolvable polymerSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Jul 15, 2008·78 cites·23 claims
- 0796US8167043B2Degradable material assisted diversion or isolationWILLBERG DEAN M·Filed 2008·Granted May 1, 2012·58 cites·27 claims
- 0896US7380601B2Degradable fiber systems for stimulationSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Jun 3, 2008·38 cites·25 claims
- 0995US8657002B2Degradable fiber systems for stimulationWILLBERG DEAN M·Filed 2012·Granted Feb 25, 2014·15 cites·20 claims
- 1095US7565929B2Degradable material assisted diversionSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted Jul 28, 2009·123 cites·25 claims
- 1194US8646529B2Method and system for treating a subterranean formation using diversionCLARK WILLIAM ERNEST·Filed 2012·Granted Feb 11, 2014·43 cites·20 claims
- 1294US8042614B2Fiber laden energized fluids and methods of use thereofSCHLUMBERGER TECHNOLOGY CORP·Filed 2010·Granted Oct 25, 2011·12 cites·7 claims
- 1393US7934556B2Method and system for treating a subterranean formation using diversionSCHLUMBERGER TECHNOLOGY CORP·Filed 2007·Granted May 3, 2011·51 cites·13 claims
- 1493US6749022B1Fracture stimulation process for carbonate reservoirsSCHLUMBERGER TECHNOLOGY CORP·Filed 2002·Granted Jun 15, 2004·81 cites·22 claims
- 1591US9915137B2Method of fracturing multiple zones within a well using propellant pre-fracturingSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Mar 13, 2018·7 cites·20 claims
- 1691US8220543B2Method and system for treating a subterranean formation using diversionCLARK WILLIAM ERNEST·Filed 2011·Granted Jul 17, 2012·19 cites·44 claims
- 1790US9027641B2Method of fracturing multiple zones within a well using propellant pre-fracturingALEKSEENKO OLGA PETROVNA·Filed 2011·Granted May 12, 2015·19 cites·31 claims
- 1889US7350572B2Methods for controlling fluid lossSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Apr 1, 2008·65 cites·16 claims
- 1987US9447673B2Methods for providing proppant slugs in fracturing treatmentsMEDVEDEV ANATOLY VLADIMIROVICH·Filed 2010·Granted Sep 20, 2016·17 cites·16 claims
- 2087US9121272B2Method of fracturing multiple zones within a wellPOTAPENKO DMITRY IVANOVICH·Filed 2011·Granted Sep 1, 2015·17 cites·52 claims
- 2187US7665522B2Fiber laden energized fluids and methods of useSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Feb 23, 2010·33 cites·15 claims
- 2282US9034802B2Friction reduction fluidsAHRENST ALEX·Filed 2007·Granted May 19, 2015·18 cites·35 claims
- 2382US7148184B2Self-diverting foamed systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2003·Granted Dec 12, 2006·48 cites·17 claims
- 2477US9034806B2Viscoelastic surfactant rheology modificationGURMEN M NIHAT·Filed 2006·Granted May 19, 2015·14 cites·19 claims
- 2575US8991494B2Hydraulic fracturing proppantsWILLBERG DEAN·Filed 2008·Granted Mar 31, 2015·5 cites·32 claims
- 2674US10526890B2Workflows to address localized stress regime heterogeneity to enable hydraulic fracturingSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jan 7, 2020·5 cites·20 claims
- 2774US9458710B2Hydraulic fracturing systemMAKARYCHEV-MIKHAILOV SERGEY MIKHAILOVICH·Filed 2009·Granted Oct 4, 2016·5 cites·18 claims
- 2867US10351761B2Method for modification and delivery of proppant during well operations, method for hydraulic fracturing and method for gravel packingSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Jul 16, 2019·1 cites·30 claims
- 2952US2017022411A1Hydraulic fracturing systemSCHLUMBERGER TECHNOLOGY CORP·Filed 2016·Application pending·0 cites
- 3048US9353307B2Method of preparing polymer-water emulsion and further settling a sticky polymer material in downhole environmentSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted May 31, 2016·0 cites·17 claims
- 3148US2025347218A1Monitoring and Detecting Seal Integrity with TracersDANIELS JOHN·Filed 2025·Application pending·0 cites
- 3247US2015204178A1Hydraulic fracturing proppantsSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Application pending·0 cites
- 3347US2025146403A1Method and system for monitoring a well treatmentRESMAN AS·Filed 2023·Application pending·0 cites
- 3446US2013161003A1Proppant placementMAKARYCHEV-MIKHAILOV SERGEY MIKHAILOVICH·Filed 2009·Application pending·0 cites
- 3545US8794325B2Method of preparing polymer-water emulsion and further settling a sticky polymer material in downhole environmentWILLBERG DEAN·Filed 2009·Granted Aug 5, 2014·2 cites·31 claims
- 3640US2013105157A1Hydraulic Fracturing MethodBARMATOV EVGENY BORISOVICH·Filed 2010·Application pending·0 cites
- 3736US2016326853A1Multiple wellbore perforation and stimulationSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Application pending·0 cites
- 3834US2012048549A1Polymer Emulsions And Well Treatment FluidsWILLBERG DEAN·Filed 2009·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Christopher N. Fredd 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 →