Novel Well Cutter 414 Successfully Cuts 7” Tubing Offshore Norway, July 2014

The operator was looking for a lighter alternative to coiled tubing and contacted Welltec®. They decided to use the Well Cleaner® PST to remove the sand to surface with exact measurement of volume due to the advantages provided by this e-line solution. Initially, it was suspected that the sand was caused by a bridge instead of a full column of sand. The Well Cleaner® PST cleared 4,777 ft. (1,456 m.) of sand bridges and recovered a total of 861 liters of sand to surface.

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The theory that the well was suffering from sand bridging was confirmed by the intervention. Thanks to the clean-out job, full flow path was re-established and the well was returned to full production. Choke size was adjusted to flow the well at 500 bbl of liquid (400 bwpd and 100 bopd) per day instead of 1,000 bbl to control sand production. confirmed by the intervention. Thanks to the clean-out job, full flow path was re-established and the well was returned to full production. Choke size was adjusted to flow the well at 500 bbl of liquid (400 bwpd and 100 bopd) per day instead of 1,000 bbl to control sand production.

This operation is testament to the value of the Well Cutter 414; no NPT, no misruns and a significantly safer operation with lower impact than alternatives. The operator was so pleased with the outcome that they decided to keep Well Cutters available offshore for an upcoming operation on an adjacent rig.

To learn more about the award-winning Well Cutter, please download our Mechanical Solutions brochure, or read the full case story.