Frank E. Evans

Person

The Woodland, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Viscoelastic surfactant based wellbore fluids and methods of use
- Patent number 9,353,306
- Issue date May 31, 2016
- M-I L.L.C.
- Charles Svoboda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Viscoelastic surfactant based wellbore fluids and methods of use
- Patent number 8,937,034
- Issue date Jan 20, 2015
- M-I L.L.C.
- Charles Svoboda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Reclamation of formate brines
- Patent number 8,871,097
- Issue date Oct 28, 2014
- M-I L.L.C.
- Hui Zhang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Delayed phase changing agent for invert emulsion drilling fluid
- Patent number 7,152,697
- Issue date Dec 26, 2006
- M-I L.L.C.
- Robert L. Horton
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water based fluids comprising multivalent salts and low molecular w...
- Patent number 6,855,671
- Issue date Feb 15, 2005
- Baker Hughes Incorporated
- James E. Norfleet
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Shale stabilizing drilling fluids comprising calcium chloride and l...
- Patent number 6,355,600
- Issue date Mar 12, 2002
- Baker Hughes Incorporated
- James E. Norfleet
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
VISCOELASTIC SURFACTANT BASED WELLBORE FLUIDS AND METHODS OF USE
- Publication number 20150101805
- Publication date Apr 16, 2015
- M-I L.L.C.
- Charles Svoboda
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
RECLAMATION OF FORMATE BRINES
- Publication number 20110247986
- Publication date Oct 13, 2011
- M-I L.L.C.
- Hui Zhang
- E21 - EARTH DRILLING MINING
Information Patent Application
VISCOELASTIC SURFACTANT BASED WELLBORE FLUIDS AND METHODS OF USE
- Publication number 20100294498
- Publication date Nov 25, 2010
- M-I L.L.C.
- Charles Svoboda
- E21 - EARTH DRILLING MINING
Information Patent Application
Delayed phase changing agent for invert emulsion drilling fluid
- Publication number 20040176255
- Publication date Sep 9, 2004
- M-I LLC
- Robert L. Horton
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Water based fluids comprising multivalent salts and low molecular w...
- Publication number 20030069141
- Publication date Apr 10, 2003
- James E. Norfleet
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Frank E. Evans

Person

Patents Grantslast 30 patents

Viscoelastic surfactant based wellbore fluids and methods of use

Viscoelastic surfactant based wellbore fluids and methods of use

Reclamation of formate brines

Delayed phase changing agent for invert emulsion drilling fluid

Water based fluids comprising multivalent salts and low molecular w...

Shale stabilizing drilling fluids comprising calcium chloride and l...

Patents Applicationslast 30 patents

VISCOELASTIC SURFACTANT BASED WELLBORE FLUIDS AND METHODS OF USE

RECLAMATION OF FORMATE BRINES

VISCOELASTIC SURFACTANT BASED WELLBORE FLUIDS AND METHODS OF USE

Delayed phase changing agent for invert emulsion drilling fluid

Water based fluids comprising multivalent salts and low molecular w...