David Schwertner

Person

The Woodlands, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Methods for minimizing the amount of graphite particles used during...
- Patent number 7,977,281
- Issue date Jul 12, 2011
- Baker Hughes Incorporated
- William S. Halliday
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Water-based drilling fluids using latex additives
- Patent number 7,393,813
- Issue date Jul 1, 2008
- Baker Hughes Incorporated
- William S. Halliday
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Fluid loss control and sealing agent for drilling depleted sand for...
- Patent number 7,271,131
- Issue date Sep 18, 2007
- Baker Hughes Incorporated
- William S. Halliday
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Drilling fluids comprising sized graphite particles
- Patent number 7,087,555
- Issue date Aug 8, 2006
- Baker Hughes Incorporated
- William S. Halliday
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Grant
Olefins and lubricants, rate of penetration enhancers, and spotting...
- Patent number 5,851,958
- Issue date Dec 22, 1998
- William S. Halliday
- E21 - EARTH DRILLING MINING
Information Patent Grant
Olefin isomers as lubricants, rate of penetration enhancers, and sp...
- Patent number 5,605,879
- Issue date Feb 25, 1997
- Baker Hughes Incorporated
- William S. Halliday
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHODS FOR MINIMIZING THE AMOUNT OF GRAPHITE PARTICLES USED DURING...
- Publication number 20090258800
- Publication date Oct 15, 2009
- William S. Halliday
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Drilling fluid systems comprising sized graphite particles
- Publication number 20060122070
- Publication date Jun 8, 2006
- BAKER HUGHES INCORPORATED
- William S. Halliday
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Drilling fluids comprising sized graphite particles
- Publication number 20040224852
- Publication date Nov 11, 2004
- BAKER HUGHES INCORPORATED
- William S. Halliday
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information Patent Application
Fluid loss control and sealing agent for drilling depleted sand for...
- Publication number 20040132625
- Publication date Jul 8, 2004
- William S. Halliday
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Water-based drilling fluids using latex additives
- Publication number 20040110644
- Publication date Jun 10, 2004
- BAKER HUGHES INCORPORATED
- William S. Halliday
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

David Schwertner

Person

Patents Grantslast 30 patents

Methods for minimizing the amount of graphite particles used during...

Water-based drilling fluids using latex additives

Fluid loss control and sealing agent for drilling depleted sand for...

Drilling fluids comprising sized graphite particles

Olefins and lubricants, rate of penetration enhancers, and spotting...

Olefin isomers as lubricants, rate of penetration enhancers, and sp...

Patents Applicationslast 30 patents

METHODS FOR MINIMIZING THE AMOUNT OF GRAPHITE PARTICLES USED DURING...

Drilling fluid systems comprising sized graphite particles

Drilling fluids comprising sized graphite particles

Fluid loss control and sealing agent for drilling depleted sand for...

Water-based drilling fluids using latex additives