JV

John Villar

Schlumberger Technology: 2 patents #2,609 of 7,293Top 40%
Overall (All Time): #2,237,793 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6153562 Cementing slurry and method of designing a formulation Jean-Francois Baret 2000-11-28
6060535 Cementing compositions and applications of such compositions to cementing oil (or similar) wells Jean-Francois Baret, Michel Michaux, Bernard Dargaud 2000-05-09