THRUBIT
Mark Identification

THRUBIT

Serial Number

78553199

Filing Date

Jan 25, 2005

Registration Date

Dec 5, 2006

Trademark by

SCHLUMBERGER TECHNOLOGY CORPORATION

Active Trademark

Classification Information

[ Drilling machines and drilling tools in the nature of a downhole drill bit for use in drilling of oil and gas wells and pumping oil by means of pressure differentials; drills, drill bits, drill heads and drill strings for use in drilling oil or gas wells ]

Machinery

Logging tools, namely computer hardware and software to make a record of depth or time measurements or both to reflect the subsurface geology of an oil or gas well

Electrical and Scientific Apparatus

[ Installation, repair, maintenance, and operation for others of drilling machines and drilling tools in connection with drilling oil and gas wells; installation, repair, maintenance, and operation for others of pumping systems for conveying drilling tools and logging tools in connection with drilling oil or gas wells; installation, repair, maintenance, and operation for others of drills, drill bits, drill heads and drill strings in connection with drilling oil or gas wells ]

Building Construction and Repair

[ Analysis for oil and gas field exploration; oil and gas well logging services ]

Computer and Scientific