The RizeRdillo™ Riser Cleaning Tool combines brushing, wiping and debris extraction technology on a robust mandrel to effectively clean subsea drilling risers.

Features

• Rows of overlapping brushes to scour the riser wall to remove debris
• Heavy duty elastomeric wiper rings to wipe mud cake
• Large fluid bypass area to circulate debris to surface
• High capacity gravity junk basket to capture debris for retrieval at surface
• Soft blade stabilizers to prevent riser wear
• Can be quickly emptied for re-run
• Brushes and wipers can be redressed quickly onsite if required
• No external bolts, clamps or fasteners that can come loose down hole

Benefits

• Cost Savings
  • Maximizing riser cleaning efficiency to reduce operating time and costs on expensive semi-submersibles
  • Field serviceable at the rig with basic hand tools
• Integrity
  • Available with high torque connections reducing the need for reduced strength crossovers
  • Single piece mandrel with no internal connections for increased strength
• Reducing Non-Productive Time
  • Reduces premature failure of completion equipment by debris which can interfere or damage valves, electronics and other hardware

Applications

• Deep water pre-completion wellbore clean-ups from semi-submersible drilling units
• Riser cleaning during displacement to sea water before disconnection or moving from location

Operational

• The RizeRdillo™ Riser Cleaning Tool is typically run in conjunction with the RizeRdillo™ Advanced Jetting Tool and XTractR™ BOP Junk Catcher or can be run as part of a pre-completion wellbore clean-up string
• The RizeRdillo™ Riser Cleaning Tool brushes and wipes the riser wall whilst running in the riser to capture debris that can not be circulated out easily
• When the riser is displaced the RizeRdillo™ Riser Cleaning Tool can be rotated and reciprocated to assist in the cleaning action
• The gravity junk bucket collects debris which cannot be circulated out of the riser for retrieval at surface