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Plug made of glass introduced to Norwegian oil fields

Total Catcher Offshore AS have made  progress in introducing their unique Tubing Disappearing Plug made of glass to Statoil ASA

Total Catcher Offshore AS have made  progress in introducing their unique Tubing Disappearing Plug made of glass to Statoil ASA

What started as the strength testing av milk glasses in in the kitchen, have resulted in that Statoil have installed the glass plug at a value of 370.000 NOK (approx. 50,000 USD) in four wells at the Norne Field, Snorre-Field and Glitne-Field.

About the Tubing Disappearing Plug (by Total Catcher Offshore AS)

The Tubing Disappearing Plug (TDP) is installed in a pup joint and run integrated in the completion string or liner. The firing mechanism is based on a pyrotechnic system and activated by hydraulic pressure. Alternatively, a timer based system is also available to activate the firing device. Once the TDP has disappeared, the TDP material will disintegrate leaving full inner diameter through the tubular. As back up, the plug can be mechanically opened with wireline TCO emergency shoot down tool.

The TDP enables predetermination of pressure cycle capability, and holds differential pressure from above and below. The number of cycles required by the customer is pre-programmed into the filing system, and the last cycle set off an explosive charge disintegrating the plug. Typically the activating system would be set to fire after 8-12 cycles.