Inventor · disambiguated record
Espen S. Johansen
Also filed as: JOHANSEN ESPEN S
17 granted patents·1 pending application·320 citations·filing 2003–2012
94Inventor score
Top patents by PatentIndex Score
18 records- 0195US6945095B2Non-intrusive multiphase flow meterWEATHERFORD LAMB·Filed 2003·Granted Sep 20, 2005·85 cites·36 claims
- 0294US7281415B2Non-intrusive multiphase flow meterWEATHERFORD LAMB·Filed 2005·Granted Oct 16, 2007·27 cites·16 claims
- 0391US7834312B2Water detection and 3-phase fraction measurement systemsWEATHERFORD LAMB·Filed 2007·Granted Nov 16, 2010·16 cites·18 claims
- 0490US8461519B2Water detection and 3-phase fraction measurement systemsLIEVOIS JOHN·Filed 2012·Granted Jun 11, 2013·9 cites·19 claims
- 0590US7880133B2Optical multiphase flowmeterWEATHERFORD LAMB·Filed 2006·Granted Feb 1, 2011·20 cites·21 claims
- 0688US7654155B2Wet-gas flowmeterWEATHERFORD LAMB·Filed 2007·Granted Feb 2, 2010·18 cites·16 claims
- 0787US8039793B2Water detection and 3-phase fraction measurement systemsWEATHERFORD LAMB·Filed 2010·Granted Oct 18, 2011·5 cites·19 claims
- 0886US7028543B2System and method for monitoring performance of downhole equipment using fiber optic based sensorsWEATHERFORD LAMB·Filed 2003·Granted Apr 18, 2006·76 cites·40 claims
- 0985US7503217B2Sonar sand detectionWEATHERFORD LAMB·Filed 2006·Granted Mar 17, 2009·27 cites·20 claims
- 1082US7881884B2Flowmeter array processing algorithm with wide dynamic rangeWEATHERFORD LAMB·Filed 2008·Granted Feb 1, 2011·12 cites·19 claims
- 1176US7607361B2Sonar circumferential flow conditionerWEATHERFORD LAMB·Filed 2008·Granted Oct 27, 2009·9 cites·20 claims
- 1273US7401530B2Sonar based multiphase flowmeterWEATHERFORD LAMB·Filed 2006·Granted Jul 22, 2008·8 cites·20 claims
- 1368US7938023B2Wet-gas flowmeterWEATHERFORD LAMB·Filed 2010·Granted May 10, 2011·2 cites·20 claims
- 1463US7926360B2Sonar circumferential flow conditionerWEATHERFORD LAMB·Filed 2009·Granted Apr 19, 2011·4 cites·20 claims
- 1561US8280650B2Flowmeter array processing algorithm with wide dynamic rangePERRY LESLIE W·Filed 2011·Granted Oct 2, 2012·2 cites·20 claims
- 1656US8274041B2Water detection and 3-phase fraction measurement systemsLIEVOIS JOHN·Filed 2011·Granted Sep 25, 2012·0 cites·19 claims
- 1742US8569702B2Optical multiphase flowmeterJOHANSEN ESPEN S·Filed 2011·Granted Oct 29, 2013·0 cites·18 claims
- 1832US2012152024A1Distributed acoustic sensing (das)-based flowmeterJOHANSEN ESPEN S·Filed 2010·Application pending·0 cites
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