Bernhard Lungwitz

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Rio de Janeiro, BR

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Patents Grantslast 30 patents

Information Patent Grant
Compositions and methods for reducing fluid loss
- Patent number 9,611,716
- Issue date Apr 4, 2017
- Schlumberger Technology Corporation
- Fatma Daou
- E21 - EARTH DRILLING MINING
Information Patent Grant
Swellable elastomer and its use in acidizing or matrix stimulation
- Patent number 9,556,703
- Issue date Jan 31, 2017
- Schlumberger Technology Corporation
- Fatma Daou
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITIONS AND METHODS FOR REDUCING FLUID LOSS
- Publication number 20140090895
- Publication date Apr 3, 2014
- Fatma Daou
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SWELLABLE ELASTOMER AND ITS USE IN ACIDIZING OR MATRIX STIMULATION
- Publication number 20140090844
- Publication date Apr 3, 2014
- Fatma Daou
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
TREATMENT FLUID AND METHOD
- Publication number 20130310285
- Publication date Nov 21, 2013
- Andrey Fedorov
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Additive to Fluid for The Treatment of Subterranean Formation and A...
- Publication number 20130168096
- Publication date Jul 4, 2013
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Sergey Dmitrievich Parkhonyuk
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...