DOWELL SCHLUMBERGER INCORPORATED
(A DELAWARE CORPORATION)
257925
14 Jul 1960
EXPUNGED
on 29 Jul 2021
Class 005
Class 005
Pharmaceutical Products
Particulate chemical diverting agents for injection into subterranean formations surrounding oil and gas wells to temporarily plug fractures and perforations in the formations and thereby temporarily divert liquids used to treat the formations.
Well treating services - namely, plugging of earth formations.
...
Class 037
Construction and Repair Services
EXPUNGED
on 29 Jul 2021
FIXAFRAC
DOWELL SCHLUMBERGER INCORPORATED
(A DELAWARE CORPORATION)
257925 · 14 Jul 1960
005
Class 005
Pharmaceutical Products
Particulate chemical diverting agents for injection into subterranean formations surrounding oil and gas wells to temporarily plug fractures and perforations in the formations and thereby temporarily divert liquids used to treat the formations.