89-118mm
Provide a reverse circulation grinding shoe for oil pipe drilling or drill pipe drilling.
The reverse circulation milling shoe is mainly used in conventional tubing and drill pipe drilling and milling operations to solve the problems of leakage and flowback during the circulation process.
Using a large-displacement reverse circulation drilling and grinding shoe can effectively solve these problems and meet the process requirements.
The outer diameter of the reverse-flow grinding shoe, as well as the size of the water holes and water channels, can be customized according to customer requirements.
