While the need for a new pipeline section generally is an indication of system expansion, TDW understands the importance of completing the project safely and promptly with minimal disruption to product flow.
TDW offers a full suite of services, equipment, and consumables that allows the Gas Distribution market to:
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Because they are efficient, effective, and easy to launch and retrieve, pigs are the preferred tools for a variety of post-construction/pre-commissioning tasks when new pipeline sections are being put into service or new connections are being tied-in. Among other activities, pigs are used for cleaning out construction and other debris, gauging to ensure the pipeline is free of defects, and dewatering after hydrostatic testing.
TDW can help Gas Distribution operators select and deploy the appropriate pig for the purpose, pipeline, and product.
Pigs for pre-commissioning cleaning:
Pigs for gauging deformation:
Pigs for dewatering:
Technical assistance is available from TDW subject matter experts for special circumstances or if the path to a solution requires consultation.
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Hot tapping and plugging (HT&P) technology allows Gas Distribution market pipeline owners and operators to expand lines, make connections and tie-ins, launch new services, and upgrade capacity – all while their line is in service. TDW equipment and services are engineered for safety and efficiency, allowing pipeline owners and operators to better protect their employees and the surrounding community.
The HT&P process incorporates a low pressure pipeline fitting, valve, tapping machine, and isolation equipment – all working together to provide a safe and proven isolation solution. Once the pipeline section that requires work has been safely isolated and evacuated, the line modification can be performed.
The full suite of isolation solutions offered by TDW play a critical role in this process. The TDW STOPPLE® Train isolation system, for example, uses double block and bleed technology to help increase efficiency and safety during pipeline modification. The system – which only requires a single pipeline tap – reduces costs associated with fittings, valves, welding, and inspection services. The bleed port affixed on the line ensures that any product bypassing the first seal is contained and evacuated through the bleed port, which creates a safe zone in high-consequence areas.
Whether operators are purchasing equipment to perform their own HT&P jobs or turning to TDW to execute the service for them, they can rely on the broad line of equipment and consumables from TDW. The company engineers and manufactures nearly every component needed for an HT&P project, and TDW tapping and plugging machines are considered the industry standard.
TDW can also partner with operators before the work begins, providing consulting services to help them make optimum use of TDW products and services. TDW application engineers are recognized industry experts, ready to assist operators through each project phase – from start to finish.