Darrell P. Salisbury

Person

Sugar Land, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Chemical additive for removing solids from a well drilling system
- Patent number 5,773,390
- Issue date Jun 30, 1998
- Well-Flow Technologies, Inc.
- Darrell P. Salisbury
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for removing solids from a well drilling system
- Patent number 5,678,631
- Issue date Oct 21, 1997
- Well-Flow Technologies, Inc.
- Darrell P. Salisbury
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for cleaning pipe dope and other solids from well systems
- Patent number 5,676,763
- Issue date Oct 14, 1997
- Well-Flow Technologies, Inc.
- Darrell P. Salisbury
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Tubular cleaning tool
- Patent number 5,570,742
- Issue date Nov 5, 1996
- Well-Flow Technologies, Inc.
- J. Scott Reynolds
- E21 - EARTH DRILLING MINING
Information Patent Grant
Filtration control additive for invert emulsion drilling fluids and...
- Patent number 4,735,732
- Issue date Apr 5, 1988
- Milchem Incorporated
- Dennis K. Clapper
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Filtration control additive for invert emulsion drilling fluids and...
- Patent number 4,728,444
- Issue date Mar 1, 1988
- Milchem Incorporated
- Dennis K. Clapper
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Invert emulsion drilling fluid comprising oligamide composition
- Patent number 4,663,076
- Issue date May 5, 1987
- Milchem Incorporated
- Dennis K. Clapper
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Invert emulsion drilling fluid comprising oligamide composition
- Patent number 4,575,428
- Issue date Mar 11, 1986
- Milchem Incorporated
- Dennis K. Clapper
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Darrell P. Salisbury

Person

Patents Grantslast 30 patents

Chemical additive for removing solids from a well drilling system

Process for removing solids from a well drilling system

Process for cleaning pipe dope and other solids from well systems

Tubular cleaning tool

Filtration control additive for invert emulsion drilling fluids and...

Filtration control additive for invert emulsion drilling fluids and...

Invert emulsion drilling fluid comprising oligamide composition

Invert emulsion drilling fluid comprising oligamide composition