AH

Ann M. W. Hoefer

Schlumberger Technology: 7 patents #897 of 7,293Top 15%
Overall (All Time): #739,354 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9139759 Method of treating a subterranean formation with combined breaker and fluid loss additive Richard D. Hutchins, Joseph Ayoub, Andrey Mirakyan, Michael D. Parris, Stephen D. Mason 2015-09-22
8207094 Wellbore treatment compositions containing foam extenders and methods of use thereof Richard D. Hutchins, Stanley B. McConnell, Alejandro Pena 2012-06-26
8167043 Degradable material assisted diversion or isolation Dean M. Willberg, Marina Bulova, Christopher N. Fredd, Alexey Vostrukhov, Curtis L. Boney +2 more 2012-05-01
7947627 Fluid loss control agent with triggerable removal mechanism Laura Schafer 2011-05-24
7775278 Degradable material assisted diversion or isolation Dean M. Willberg, Marina Bulova, Christopher N. Fredd, Alexey Vostrukhov, Curtis L. Boney +2 more 2010-08-17
7398826 Well treatment with dissolvable polymer Philip F. Sullivan, Golchehreh Salamat, Curtis L. Boney, Jesse Lee, Yiyan Chen +5 more 2008-07-15
7380600 Degradable material assisted diversion or isolation Dean M. Willberg, Marina Bulova, Christopher N. Fredd, Alexey Vostrukhov, Curtis L. Boney +2 more 2008-06-03