CLEAN TBCT Two Ball Circulation Tool
Two Ball Circulation Tool

CLEAN TBCT Two Ball Circulation Tool

CLEAN TBCT Two Ball Circulation Tool ...

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CLEAN TBCT


Two-Ball Circulation Tool


Boosts circulation rates in holes with long liners and small-ID strings


Applications


• Mud conditioning operations where no liner top is available to accept


the set-down weight required to operate mechanical circulation tools


• Flushing blowout preventer(s) when pulling a drilling bottomhole


assembly out of hole


Features and Benefits


• The tool is simple to operate and withstands any environment.


• A large flow area significantly reduces pump pressures seen when


pumping to the liner.


• Multiple subs can be run to enable more than one open and close


cycle, which increases displacement flexibility.


Tool Description


The CLEAN TBCT two-ball circulation tool (TBCT) provides a simple, effective


way to boost circulation rates where pressure restrictions are caused


by long liners and small ID strings. This simple ball-activated sub can be


positioned in the string above the liner top. One operating ball is used to


open the sub to the annulus, which enables increased pump rates that aid


hole cleaning and mud conditioning. Once the operation requiring high


pump rates is completed, the sub can be closed by dropping the second


ball, which closes the tool and resumes flow to the bit.


 


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