Circulating Subs
Provide a controlled alternative circulation path to improve hole cleaning, manage fluid circulation, and support specific drilling or wellbore clean-up operations.
Product overview01 / Overview
Provide a controlled alternative circulation path to improve hole cleaning, manage fluid circulation, and support specific drilling or wellbore clean-up operations.
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More in Subs & Crossovers
Bit Subs
Bit Subs provide the connection between the drill bit and the BHA, allowing compatibility between different bit and drill-string connection configurations.
Crossover Subs
Used to connect components having different connection types, sizes, or configurations, allowing compatibility between different BHA components.
Float Subs
Float Subs are used to house float valves within the BHA or drill string. They help prevent backflow of drilling fluid and formation fluids while maintaining controlled circulation during drilling operations.
Lift Subs
Lift Subs provide a dedicated lifting connection for safely handling drill collars, BHA components, and other heavy drilling tools during rig-floor operations.
Rotary Subs
Rotary Subs are used to provide connection and configuration flexibility within rotary drilling assemblies and rotating equipment.
Safety Subs
Safety Subs provide a disconnectable connection within the drill string or BHA, allowing selected components to be separated during fishing or other downhole operations.
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