Line Blockage

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 Hydrocarbon Processing 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.

STEP 3 / VIEW SOLUTIONS

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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 Hydrocarbon Processing operators select the best cleaning pig for the purpose, pipeline, and product.

  • OptionAll™ cleaning pig Effective for cleaning, maintenance, batching, and displacement, the OptionAll cleaning pig can be customized with attachments appropriate for clearing pipeline solids, including discs, cups, magnets, brushes, and blades.
  • VANTAGE® V cleaning pig – This multi-use pig can be equipped with brushes to remove hard, crust-like deposits, urethane blades for removing gummy deposits, scraper discs to clean both hard and soft deposits, and magnet kits to remove ferrous material.
  • PitBoss™ cleaning pig – This pig is designed to remove soft to medium-hard deposits from internal pits.
  • FJR/JRN cleaning pig – This tool is equipped with wire brushes and urethane cups to remove contaminants and deposits from pipelines.
  • VANTAGE®+ cleaning pig – This multi-use pig can remove hard internal pipe deposits such as mill scale, crust, and calcium deposits as well as thick, soft contaminants including sludge and mud.
  • REDSKIN™ foam pig – This is available in five different configurations, including the REDSKIN RoughRider® pig for removing hard deposits.
  • WCK cleaning pig – Built to remove pipeline contaminants and deposits, this pig has an outlet port at the front end to prevent loosened material from piling up. Available in a dual diameter model for cleaning multiple sizes of pipe in one run.
  • Pencil brush cleaning pig – Heavy-duty, aggressive, and effective at removing black powder and cleaning deposits from internal pits, this tool has removable bypass plugs that provide jetting action to improve cleaning effectiveness.

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 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 that allow pipeline owners and operators to overcome line blockages while their line is in service.

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 is safely isolated and evacuated, the line modification can be performed.

The 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 by TDW. The company engineers and manufactures nearly every component needed for an HT&P project, and TDW tapping and isolation equipment is 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.