Inventor · disambiguated record
David Mccalvin
Also filed as: MCCALVIN DAVID · MCCALVIN DAVID E
10 granted patents·4 pending applications·201 citations·filing 1997–2011
90Inventor score
Technology areasE21B
Top patents by PatentIndex Score
14 records- 0180US6513594B1Subsurface safety valveSCHLUMBERGER TECHNOLOGY CORP·Filed 2000·Granted Feb 4, 2003·60 cites·31 claims
- 0277US7866401B2Safety valve for use in an injection wellSCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Jan 11, 2011·18 cites·19 claims
- 0373US8002040B2System and method for controlling flow in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Aug 23, 2011·12 cites·16 claims
- 0468US7231971B2Downhole safety valve assembly having sensing capabilitiesSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Jun 19, 2007·33 cites·61 claims
- 0561US6148920AEqualizing subsurface safety valve with injection systemCAMCO INT·Filed 1998·Granted Nov 21, 2000·43 cites·35 claims
- 0644US8555956B2Linear induction motor-operated downhole toolVENERUSO ANTHONY F·Filed 2006·Granted Oct 15, 2013·2 cites·25 claims
- 0744US5947206ADeep-set annulus vent valveCAMCO INT·Filed 1997·Granted Sep 7, 1999·24 cites·26 claims
- 0844US2011253392A1System and method for controlling flow in a wellboreSCHLUMBERGER TECHNOLOGY CORP·Filed 2011·Application pending·0 cites
- 0943US7114572B2System and method for offshore production with well controlSCHLUMBERGER TECHNOLOGY CORP·Filed 2004·Granted Oct 3, 2006·8 cites·18 claims
- 1040US7621331B2Fluid communication nipple having an interior passageway with an interior wall section that may be opened to establish fluid communication with the passagewaySCHLUMBERGER TECHNOLOGY CORP·Filed 2005·Granted Nov 24, 2009·1 cites·15 claims
- 1140US2010300696A1System and Method for Monitoring Subsea ValvesSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Application pending·0 cites
- 1238US2011155396A1System, method, and device for actuating a downhole toolSCHLUMBERGER TECHNOLOGY CORP·Filed 2009·Application pending·0 cites
- 1336US2008135235A1Downhole well valve having integrated sensorsMCCALVIN DAVID E·Filed 2006·Application pending·0 cites
- 1434US7832486B2Flapper gas lift valveSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted Nov 16, 2010·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →