Even under ideal operating conditions and comprehensive maintenance regimens, valves are subjected to significant wear and tear that can cause them to leak, resulting in a cascade of problems. For example, when launcher or receiver valves won’t isolate because they’re leaking, it prevents safe access to pig loading or retrieval and can halt pigging programs. When offshore platform emergency shutdown valves (ESDV) leak, it can create a hazard for the entire pipeline and platform.
TDW helps operators repair and replace leaking valves, mitigating the risks that accompany them. Depending on the industry, services can include:
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When pipeline contents must be removed before valve replacement, TDW offers Hydrocarbon Processing operators a full suite of pigging tools to effectively and efficiently displace liquids and natural gas, including:
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In the Hydrocarbon Processing market, where hundreds – or thousands – of employees often work in close quarters and capital investments may be in the hundreds of millions – or even low billions – of dollars, safe pipeline repairs are of utmost importance. TDW offers safe, proven hot tapping and plugging (HT&P) solutions for a wide array of pipeline defects and maintenance challenges from dents to corrosion to valve failure.
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 area of pipeline that needs work has been safely isolated and evacuated, the line modification can be performed.
TDW isolation technology plays a critical role in this process, and a temporary bypass allows work to be performed without the need to stop product flow. The TDW STOPPLE® Train isolation system, for example, uses double block and bleed technology to help increase efficiency and safety during pipeline modification. This approach to line isolation, 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 that bypasses the first seal is contained and evacuated through the bleed port, which helps operators better protect people and the environment.
Whether operators are purchasing equipment to perform their own HT&P jobs or turning to TDW to execute the service, they can rely on the TDW line of equipment and consumables. TDW application engineers are recognized industry experts, ready to assist operators through each project phase – from start to finish.