Inventor
SALISBURY DARRELL P
US8 patents
⚠️ This page may combine multiple inventors who share the name “SALISBURY DARRELL P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WELL FLOW TECHN INC
4 patentsUS5676763AOct 14, 1997
Process for cleaning pipe dope and other solids from well systems
WELL FLOW TECHN INC66 citations94
US5570742ANov 5, 1996
Tubular cleaning tool
WELL FLOW TECHN INC48 citations94
US5678631AOct 21, 1997
Process for removing solids from a well drilling system
WELL FLOW TECHN INC31 citations91
US5773390AJun 30, 1998
Chemical additive for removing solids from a well drilling system
WELL FLOW TECHN INC12 citations72
MILCHEM INC
4 patentsUS4575428AMar 11, 1986
Invert emulsion drilling fluid comprising oligamide composition
MILCHEM INC47 citations92
US4663076AMay 5, 1987
Invert emulsion drilling fluid comprising oligamide composition
MILCHEM INC24 citations81
US4735732AApr 5, 1988
Filtration control additive for invert emulsion drilling fluids and method of preparation
MILCHEM INC14 citations73
US4728444AMar 1, 1988
Filtration control additive for invert emulsion drilling fluids and method of preparation
MILCHEM INC12 citations73