DTU
Drilling Type Underreamer (DTU)
The work horse of our rental fleet, the DTU is used for a variety of well bore enlargement applications.
Product Line
Enlargement below the restriction.
Underreaming enlarges the wellbore beyond its originally drilled size with the requirement of a passthrough diameter. HOC's tools are designed to be versatile, reliable, and cost effective at any depth.
DDT
Drilling Drag Type (DDT)
An Underreamer for opening larger diameter bore holes with a smaller OD tool and 3 drag type cutters.
DTS
Drag Type Stabilized (DTS)
Utilized for clean out work or small holes and large expansion ratio requirements with a drag type cutter.
BR
Boss Reamer (BR)
Built with the proven working designs of the DTU, a robust body and internals to facilitate underreaming at a high level of efficiency and durability.
Technical Context
Understanding underreaming.
What Is Underreaming?
Enlarging the wellbore
Underreaming is defined as the process of enlarging a wellbore past its originally drilled size. We have the tools to make the process easy and cost effective.
Tool Selection
Right tool for every job
HOC's team works directly with operators to specify the right tool for every application, from small holes and coil tubing to rotary steerable and high-torque hard rock programs.
Performance
Over 2.5 million feet worldwide
The HOC DTU Underreamer has a long proven history with over 2.5 million feet underreamed worldwide. Manufactured and tested at our USA facilities before every deployment.
Ready to Get Started?
Tell us your application.
We'll build the right tool.
Our Team works directly with your drilling team to spec the right solutions – no guess work, no catalog shortcuts.