DWC
Mark Identification

DWC

Serial Number

78547558

Filing Date

Jan 14, 2005

Trademark by

WEATHERFORD TECHNOLOGY HOLDINGS LLC

Classification Information

Mechanical drilling system incorporating specialty equipment including a drill bit, casing bottomhole assembly equipment, motors, specialized casing connection, drive and handling systems, and drilling rotating systems for use in inshore and offshore oil and gas well drilling

Machinery

Mechanical drilling services for others utilizing specialized equipment for use in inshore and offshore oil and gas well drilling

Building Construction and Repair