Treatment of materials Trademarks Filed in October 23, 1959
ABRASIJET
Filed: October 23, 1959
Well Treating Service-Namely, Jetting Liquids Containing Abrasives into Wells to Perforate Casing, Cement, and Underground…
Owned by: SCHLUMBERGER TECHNOLOGY CORPORATION
Serial Number: 72083868
DUOFRAC
Filed: October 23, 1959
Well Treating Service-Namely, Hydraulic Fracturing and Acidizing, With or Without a Propping Agent
Owned by: SCHLUMBERGER TECHNOLOGY CORPORATION
Serial Number: 72083869
