Inventor
LUNGWITZ BERNHARD
US11 patents
⚠️ This page may combine multiple inventors who share the name “LUNGWITZ BERNHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
10 patentsUS6881709B2Apr 19, 2005
Viscosity reduction of viscoelastic surfactant based fluids
SCHLUMBERGER TECHNOLOGY CORP199 citations97
US6762154B2Jul 13, 2004
Viscoelastic surfactant fluids stable at high brine concentrations
SCHLUMBERGER TECHNOLOGY CORP71 citations95
US7350572B2Apr 1, 2008
Methods for controlling fluid loss
SCHLUMBERGER TECHNOLOGY CORP65 citations91
US7299870B2Nov 27, 2007
Self diverting matrix acid
SCHLUMBERGER TECHNOLOGY CORP23 citations91
US10808497B2Oct 20, 2020
Methods of zonal isolation and treatment diversion
SCHLUMBERGER TECHNOLOGY CORP5 citations71
US7776796B2Aug 17, 2010
Methods of treating wellbores with recyclable fluids
SCHLUMBERGER TECHNOLOGY CORP4 citations57
US11319476B2May 3, 2022
Cellulose nanofibers in extended cement systems
SCHLUMBERGER TECHNOLOGY CORP0 citations53
US9556703B2Jan 31, 2017
Swellable elastomer and its use in acidizing or matrix stimulation
SCHLUMBERGER TECHNOLOGY CORP1 citations48
US10040985B2Aug 7, 2018
Compositons and methods for curing lost circulation
SCHLUMBERGER TECHNOLOGY CORP0 citations47
US9611716B2Apr 4, 2017
Compositions and methods for reducing fluid loss
SCHLUMBERGER TECHNOLOGY CORP0 citations47