MANAGED PRESSURE FLOW DRILLING
Mark Identification

MANAGED PRESSURE FLOW DRILLING

Serial Number

86331462

Filing Date

Jul 8, 2014

Trademark by

SMITH INTERNATIONAL INC.

Classification Information

Oilfield services; oilfield services, namely, oilfield drilling services in which incidental volumes influxes to operation are supervised and controlled dynamically without interruption to the drilling process

Computer and Scientific