Expandable Mill
Clean casing ID after perforation and minimize casing wear with deactivated blades
The Sharp Razor expandable mill removes perforating burrs and other debris from the inside diameter (ID) of the casing during post-perforating operations. This operation is essential to ensure successful installation of completion equipment. This mill deburrs while minimizing casing wear during prolonged rotation by retracting the mill’s blades.
Tungsten carbide coated blades are arranged to achieve 360° contact with the ID without requiring pipe rotation. Ball-drop deactivation retracts the blades away from the casing wall as needed when the cleaning operation is complete. Full flow is maintained through the tool throughout the operation.
The expandable mill is available in 7.00-in. and 9.63-in. casing sizes.
Applications
Post-perforation, before completion hardware installation
Conventional oil and gas
Unconventional hydrocarbons
Wellbore cleanup
Features and Benefits
Ball-drop-deactivated blades
Minimizes casing wear during prolonged rotation
Full flow to bit after deactivation
Maximizes circulation
Heavy-duty steel construction with no external fasteners
Eliminates risk of leaving small parts downhole
Spring-supported mill blade
Maintains consistent contact with casing ID
Unique staggered mill blade configuration with 360° coverage
Effectively cleans casing ID
Self-centralizing tool
Ensures proper deburring of perforations
Designed to be rotated and reciprocated
Can be run in conjunction with Baker Hughes wellbore cleanup tools