Brian C. Llewellyn

Person

Kingwood, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
In-situ method and system for removing heavy metals from produced f...
- Patent number 9,447,674
- Issue date Sep 20, 2016
- Chevron U.S.A. Inc.
- Sujin Yean
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
In-situ method and system for removing heavy metals from produced f...
- Patent number 9,447,675
- Issue date Sep 20, 2016
- Chevron U.S.A. Inc.
- Sujin Yean
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method and apparatus for sensing a borehole characteristic
- Patent number 8,077,053
- Issue date Dec 13, 2011
- Chevron U.S.A. Inc.
- M. Clark Thompson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Controlling the pressure within an annular volume of a wellbore
- Patent number 7,963,333
- Issue date Jun 21, 2011
- Chevron U.S.A. Inc.
- Robert E. Hermes
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Controlling the pressure within an annular volume of a wellbore
- Patent number 7,950,460
- Issue date May 31, 2011
- Chevron U.S.A. Inc.
- Robert E. Hermes
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Controlling the pressure within an annular volume of a wellbore
- Patent number 7,870,905
- Issue date Jan 18, 2011
- Chevron U.S.A. Inc.
- Robert E. Hermes
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Controlling the pressure within an annular volume of a wellbore
- Patent number 7,743,830
- Issue date Jun 29, 2010
- Chevron U.S.A. Inc.
- Robert E. Hermes
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Controlling the pressure within an annular volume of a wellbore
- Patent number 7,441,599
- Issue date Oct 28, 2008
- Chevron U.S.A. Inc.
- Robert E. Hermes
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
IN-SITU METHOD AND SYSTEM FOR REMOVING HEAVY METALS FROM PRODUCED F...
- Publication number 20140158353
- Publication date Jun 12, 2014
- Sujin Yean
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
IN-SITU METHOD AND SYSTEM FOR REMOVING HEAVY METALS FROM PRODUCED F...
- Publication number 20140151040
- Publication date Jun 5, 2014
- Sujin Yean
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Controlling the Pressure within an Annular Volume of a Wellbore
- Publication number 20100236780
- Publication date Sep 23, 2010
- Chevron U.S.A. Inc.
- Robert E. Hermes
- E21 - EARTH DRILLING MINING
Information Patent Application
Controlling the Pressure Within an Annular Volume of a Wellbore
- Publication number 20100163236
- Publication date Jul 1, 2010
- Chevron U.S.A. Inc.
- Robert E. Hermes
- E21 - EARTH DRILLING MINING
Information Patent Application
Controlling the Pressure Within an Annular Volume of a Wellbore
- Publication number 20100096138
- Publication date Apr 22, 2010
- Chevron U.S.A. Inc.
- Robert E. Hermes
- E21 - EARTH DRILLING MINING
Information Patent Application
Controlling the Pressure Within an Annular Volume of a Wellbore
- Publication number 20090133878
- Publication date May 28, 2009
- Chevron U.S.A. Inc.
- Robert E. Hermes
- E21 - EARTH DRILLING MINING
Information Patent Application
Controlling the pressure within an annular volume of a wellbore
- Publication number 20070114033
- Publication date May 24, 2007
- Chevron U.S.A. Inc.
- Robert E. Hermes
- E21 - EARTH DRILLING MINING

Brian C. Llewellyn

Person

Patents Grantslast 30 patents

In-situ method and system for removing heavy metals from produced f...

In-situ method and system for removing heavy metals from produced f...

Method and apparatus for sensing a borehole characteristic

Controlling the pressure within an annular volume of a wellbore

Controlling the pressure within an annular volume of a wellbore

Controlling the pressure within an annular volume of a wellbore

Controlling the pressure within an annular volume of a wellbore

Controlling the pressure within an annular volume of a wellbore

Patents Applicationslast 30 patents

IN-SITU METHOD AND SYSTEM FOR REMOVING HEAVY METALS FROM PRODUCED F...

IN-SITU METHOD AND SYSTEM FOR REMOVING HEAVY METALS FROM PRODUCED F...

Controlling the Pressure within an Annular Volume of a Wellbore

Controlling the Pressure Within an Annular Volume of a Wellbore

Controlling the Pressure Within an Annular Volume of a Wellbore

Controlling the Pressure Within an Annular Volume of a Wellbore

Controlling the pressure within an annular volume of a wellbore