Onshore Pipeline Isolation - Piggable Inline Isolation Remote Tecno Plug - Valve Changeout

STATS Type Approved Remote Tecno Plug® provides leak-tight double block and monitor isolation and is pigged with pipeline pressure to the isolation location. Pipeline isolation plugs require no welding or cutting into live lines, leaving no residual fittings or hardware on the pipeline. Once at the desired isolation location the Remote Tecno Plug is controlled using an extremely low frequency (ELF) inductive system for reliable tracking and accurate positioning of the plug.
The Tecno Plug is hydraulically activated engaging taper locks which grip the pipe wall and radially expand dual elastomer leak-tight seals. The dual seal design provides a zero-energy zone to enable breaking of containment activities to be conducted safely and efficiently. The isolation is constantly monitored throughout the isolation to confirm leak-tight isolation.
This isolation project was successfully completed using a 48" Remote Tecno Plug for a major operator in Trinidad. The use of a Remote Tecno Plug significantly reduced venting and flaring activities by limiting the isolation area and preventing the entire pipeline from being depressurised. This avoids the discharge of significant quantities of harmful emissions into the atmosphere and results in timely completion of maintenance activities.
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