Inventor
ENRIGHT DOROTHY P
US13 patents
⚠️ This page may combine multiple inventors who share the name “ENRIGHT DOROTHY P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
9 patentsUS5560438AOct 1, 1996
Method and composition for preserving core sample integrity using an encapsulating material
BAKER HUGHES INC49 citations95
US5007489AApr 16, 1991
Drilling fluid methods and composition
BAKER HUGHES INC85 citations94
US5881825AMar 16, 1999
Method for preserving core sample integrity
BAKER HUGHES INC31 citations92
US5546798AAug 20, 1996
Method and composition for preserving core sample integrity using a water soluble encapsulating material
BAKER HUGHES INC44 citations92
US4963273AOct 16, 1990
Modified non-polluting liquid phase shale swelling inhibition drilling fluid and method of using same
BAKER HUGHES INC46 citations92
US4941981AJul 17, 1990
Modified non-polluting liquid phase shale swelling inhibition drilling fluid
BAKER HUGHES INC52 citations92
US4830765AMay 16, 1989
Modified non-polluting liquid phase shale swelling inhibition drilling fluid and method of using same
BAKER HUGHES INC51 citations92
US5099930AMar 31, 1992
Drilling fluid methods and composition
BAKER HUGHES INC34 citations90
US6283228B2Sep 4, 2001
Method for preserving core sample integrity
BAKER HUGHES INC33 citations89
MILCHEM INC
4 patentsUS4293427AOct 6, 1981
Drilling fluid containing a copolymer filtration control agent
MILCHEM INC68 citations95
US4309329AJan 5, 1982
Aqueous drilling fluid additive
MILCHEM INC13 citations72
US4288582ASep 8, 1981
Aqueous drilling fluid additive, composition and process
MILCHEM INC12 citations72
US4268400AMay 19, 1981
Aqueous drilling fluid additive, composition and process
MILCHEM INC15 citations72