Inventor
JOHANSEN ESPEN S
US17 patents
⚠️ This page may combine multiple inventors who share the name “JOHANSEN ESPEN S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WEATHERFORD LAMB
13 patentsUS7028543B2Apr 18, 2006
System and method for monitoring performance of downhole equipment using fiber optic based sensors
WEATHERFORD LAMB76 citations97
US6945095B2Sep 20, 2005
Non-intrusive multiphase flow meter
WEATHERFORD LAMB85 citations97
US7880133B2Feb 1, 2011
Optical multiphase flowmeter
WEATHERFORD LAMB20 citations92
US7503217B2Mar 17, 2009
Sonar sand detection
WEATHERFORD LAMB27 citations92
US7281415B2Oct 16, 2007
Non-intrusive multiphase flow meter
WEATHERFORD LAMB27 citations92
US7834312B2Nov 16, 2010
Water detection and 3-phase fraction measurement systems
WEATHERFORD LAMB16 citations91
US7654155B2Feb 2, 2010
Wet-gas flowmeter
WEATHERFORD LAMB18 citations91
US7607361B2Oct 27, 2009
Sonar circumferential flow conditioner
WEATHERFORD LAMB9 citations82
US7881884B2Feb 1, 2011
Flowmeter array processing algorithm with wide dynamic range
WEATHERFORD LAMB12 citations79
US7401530B2Jul 22, 2008
Sonar based multiphase flowmeter
WEATHERFORD LAMB8 citations73
US8039793B2Oct 18, 2011
Water detection and 3-phase fraction measurement systems
WEATHERFORD LAMB5 citations72
US7938023B2May 10, 2011
Wet-gas flowmeter
WEATHERFORD LAMB2 citations61
US7926360B2Apr 19, 2011
Sonar circumferential flow conditioner
WEATHERFORD LAMB4 citations60