Borehole Enlargement
Smith Borehole Enlargement combines leading wellbore enlargement technologies, including Rhino XS Reamer and Reamaster, with Smith Technologies innovative drilling products and software systems such as Quad-D bi-center bits and IDEAS software.

Bi-Center Bits

Bi-center bits provide hole opening through installed casing or liner sections. The aggressive matrix and steel body bits are designed to provide durability, reduce torque response, maintain tangents, and reduce sliding time without compromising efficiency when drilling either float equipment or formation.

QUAD-D Bi-Center Bits
QUAD-D (Dual Diameter Drift & Drill) bi-center bits provide hole opening through installed casing or...
     

Reamer

Designed to enlarge the wellbore in a broad range of drilling operations.

QUAD-D Reamer
The versatility of QUAD-D products is best demonstrated by the range of applications that they drill...
Rhino® XS Reamer
Underreaming while drilling improves drilling performance while increasing wellbore quality. Every ...
Rhino®AB Reamer
The Rhino® AB (At Bit) Reamer extends SMITH’s industry leading borehole enlargement technology to di...

Underreamer

Underreaming while drilling improves drilling performance and increases wellbore quality. We are the industry leader in proven reamer performance and innovation.

Drilling-Type Underreamer
The Drilling-Type Underreamer (DTU) is designed to run in conjunction with a drill bit or a bullnose...
Reamaster®-XTU Underreamer
The Reamaster-XTU Underreamer has been designed with two large, robust cutter arms which facilitate ...
Rock-Type Underreamer
The Rock-Type Underreamer (RTU) features three specially designed arms with large cones that enable ...