Churchill Drilling Tools, Unit 6, Crombie Road, Aberdeen, AB11 9QQ, United Kingdom
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email info@circsub.com telephone +44 (0) 1224 898 848

Useful Links - More than just Circulating, Cleanouts and Downhole Drilling Flow Bypass!


The Instant Bypass Tool (IBT) is a range
of patented valves that facilitates the control
of circulation during drilling and well completion.

IBT CircSubsInstant Bypass Tool Applications

  • Hole Cleaning at TD
  • Curing Losses
  • Controlling ECD's
  • Wellbore Cleanouts
  • Milling bypass
more applications
Top Jet System

Drift CatcherThe Drift Catcher
A patented system which
verifies the drill pipe bore and measures displacement volumes
for quicker and safer setting of liners and screens.