en.Wedoany.com Reported - T.D. Williamson (TDW) has launched a new generation pipeline isolation tool, the TDW SHiiELD, built on dual independent isolation and bleeding (DiiB) technology. The primary and secondary modules anchor and seal independently, forming a leak-proof barrier designed to enhance the safety and efficiency of pipeline isolation.
SHiiELD is designed for remote activation and monitoring, allowing operation outside the trench to reduce personnel exposure. Its active isolation monitoring provides real-time data on pressure, temperature, and flow rate. Cody Parsley, Senior Product Manager for TDW Hot Tapping and Isolation, told The Australian Pipeliner magazine that the tool's two modules are completely independent; even if power or lines to one module are cut, isolation remains intact.
Traditional isolation tools typically cause a flow reduction of about 80% when inserted into a pipeline. SHiiELD achieves four times the internal bypass during isolation, eliminating the need for operators to modify pipeline operations or create additional openings. Cody stated that if pipelines are shut down for maintenance, Australia may fail to meet energy demands in the future, and this technology helps minimize supply disruptions for companies and the public.
Each SHiiELD plugging module is equipped with advanced energized seals, providing emission-free, leak-proof isolation through electromechanical activation, suitable for future fuels such as hydrogen. Its onboard intelligence measures annulus pressure and remotely verifies the seal before bleeding the line. The DiiB technology creates two independent seals between operators and hydrocarbons, and has been well received by field technicians.
Cody noted that SHiiELD continues TDW's use of proven components, such as the clamping mechanism used in SmartPlug for about 30 years, and has undergone rigorous testing and years of field development. The technology is being promoted in Australia to make complex, high-pressure isolation work safer and emission-free.
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