Inventor
MCELFRESH PAUL
US3 patents
Patents
3 patentsUS7762342B2Jul 27, 2010
Apparatus for providing a temporary degradable barrier in a flow pathway
BAKER HUGHES INC84 citations96
US7461699B2Dec 9, 2008
Method for providing a temporary barrier in a flow pathway
BAKER HUGHES INC101 citations96
US8048348B2Nov 1, 2011
Shape memory polyurethane foam for downhole sand control filtration devices
BAKER HUGHES INC23 citations90