The AdvanceClean™ flow check sub is a flow control tool that blocks fluid down flow, diverting the fluid flows through an accompanying tool. The tool is easily modified to allow partial flow through the ports of the flow check sub if so desired.
The flow check sub is a single body tool built of heat treated drill collar quality steel. Special features of the flow check sub are listed below.
The tool is ported to allow fluid movement to the annulus below the plug.