Guido De Stefano

Person

Spring, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Smart filtrate for strengthening formations
- Patent number 11,149,519
- Issue date Oct 19, 2021
- Schlumberger Technology Corporation
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Self-crosslinking polymers and platelets for wellbore strengthening
- Patent number 10,883,035
- Issue date Jan 5, 2021
- M-I L.L.C.
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Wellbore fluids and methods of use thereof
- Patent number 10,876,026
- Issue date Dec 29, 2020
- M-I L.L.C.
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Self-crosslinking polymers for wellbore strengthening
- Patent number 10,689,558
- Issue date Jun 23, 2020
- M-I L.L.C.
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Smart filter cake for strengthening formations
- Patent number 10,208,561
- Issue date Feb 19, 2019
- M-I L.L.C.
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Encapsulated polymers and selective activation thereof
- Patent number 10,060,205
- Issue date Aug 28, 2018
- M-I L.L.C.
- Guido De Stefano
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-breakable yield point enhancer for oil based drilling mud
- Patent number 7,956,014
- Issue date Jun 7, 2011
- Lamberti S.p.A.
- Luigi Merli
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Wellbore Fluids and Methods of Use Thereof
- Publication number 20180320048
- Publication date Nov 8, 2018
- M-I L.L.C.
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ENCAPSULATED POLYMERS AND SELECTIVE ACTIVATION THEREOF
- Publication number 20170174974
- Publication date Jun 22, 2017
- M-I L.L.C.
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
EMULSIFIERS FOR WELLBORE STRENGTHENING
- Publication number 20170174975
- Publication date Jun 22, 2017
- M-I L.L.C.
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SMART FILTER CAKE FOR STRENGTHENING FORMATIONS
- Publication number 20170029688
- Publication date Feb 2, 2017
- M-I L.L.C.
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SMART FILTRATE FOR STRENGTHENING FORMATIONS
- Publication number 20170015890
- Publication date Jan 19, 2017
- M-I L.L.C.
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SMART LCM FOR STRENGTHENING EARTHEN FORMATIONS
- Publication number 20170015887
- Publication date Jan 19, 2017
- M-I L.L.C.
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SELF-CROSSLINKING POLYMERS FOR WELLBORE STRENGTHENING
- Publication number 20160319179
- Publication date Nov 3, 2016
- M-I L.L.C.
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SELF-CROSSLINKING POLYMERS AND PLATELETS FOR WELLBORE STRENGTHENING
- Publication number 20160319180
- Publication date Nov 3, 2016
- M-I L.L.C.
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
REVERSIBLE FOAMED WELLBORE FLUIDS
- Publication number 20160068736
- Publication date Mar 10, 2016
- M-I L.L.C.
- Guido De Stefano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYMERIC COMPOSITIONS FOR DOWNHOLE APPLICATIONS
- Publication number 20160032169
- Publication date Feb 4, 2016
- M-I L.L.C.
- Andrew Chew
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOSITION OF POLYBUTADIENE-BASED FORMULA FOR DOWNHOLE APPLICATIONS
- Publication number 20140305646
- Publication date Oct 16, 2014
- M-I L.L.C.
- Andrew Chew
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Self-Breakable Yield Point Enhancer for Oil Based Drilling Mud
- Publication number 20080318810
- Publication date Dec 25, 2008
- LAMBERTI, S.P.A.
- Luigi Merli
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Clay inhibitors for the drilling industry
- Publication number 20070207932
- Publication date Sep 6, 2007
- Luigi Merli
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Guido De Stefano

Person

Patents Grantslast 30 patents

Smart filtrate for strengthening formations

Self-crosslinking polymers and platelets for wellbore strengthening

Wellbore fluids and methods of use thereof

Self-crosslinking polymers for wellbore strengthening

Smart filter cake for strengthening formations

Encapsulated polymers and selective activation thereof

Self-breakable yield point enhancer for oil based drilling mud

Patents Applicationslast 30 patents

Wellbore Fluids and Methods of Use Thereof

ENCAPSULATED POLYMERS AND SELECTIVE ACTIVATION THEREOF

EMULSIFIERS FOR WELLBORE STRENGTHENING

SMART FILTER CAKE FOR STRENGTHENING FORMATIONS

SMART FILTRATE FOR STRENGTHENING FORMATIONS

SMART LCM FOR STRENGTHENING EARTHEN FORMATIONS

SELF-CROSSLINKING POLYMERS FOR WELLBORE STRENGTHENING

SELF-CROSSLINKING POLYMERS AND PLATELETS FOR WELLBORE STRENGTHENING

REVERSIBLE FOAMED WELLBORE FLUIDS

POLYMERIC COMPOSITIONS FOR DOWNHOLE APPLICATIONS

COMPOSITION OF POLYBUTADIENE-BASED FORMULA FOR DOWNHOLE APPLICATIONS

Self-Breakable Yield Point Enhancer for Oil Based Drilling Mud

Clay inhibitors for the drilling industry