Paraffin wax, hydrates, corrosion, construction debris, etc., can create an obstruction inside a pipeline that can restrict flow. At its worst, a line blockage can shut down production altogether.
TDW offers specific pigging technology to help Offshore Pipeline operators manage the build-up and prevent pipeline blockage. In the event of a blockage, TDW can also provide intervention technology to access the blocked area and provide by-pass while the blockage is removed.
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A comprehensive pigging program can remove solids and sediments that block pipeline flow for better performance and profitability. TDW can help Offshore Pipeline operators select the best cleaning pig for the purpose, pipeline, and product.
Technical assistance is available from TDW subject matter experts for special circumstances or if the operator’s path to a solution requires consultation.
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In the Offshore Pipeline market, safety is of the utmost importance. During planned shutdowns, hot tapping and plugging (HT&P) technology allows operators to overcome pipeline blockages with minimal flow interruption.
The HT&P process incorporates a high pressure 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.
The full suite of isolation solutions by TDW plays a critical role in this process. The STOPPLE® Train Plugging System, for example, uses double block and bleed technology to help increase efficiency and safety during pipeline maintenance and repair. This approach to line isolation, which can create a double block and bleed seal through a single fitting, 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 captured and evacuated through the bleed port, which creates a safe zone within high-consequence areas.
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 company’s line of equipment and consumables. The Subsea 1200RC tapping machine, for example, is a topside-driven hot tap machine that can be safely operated down to a depth of 3,000 meters (9842.5 feet). The machine has proven to be a highly reliable shallow and deep-water solution.
TDW also can partner with operators before the work begins, providing consulting services to help them make optimum use of our products and services. The company’s application engineers are recognized industry experts, ready to assist operators through each project phase – from start to finish.