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Pig Launching and Receiving

From complete analysis of the pipeline and job site to thorough consultation on the placement of the traps, TDW has a solution for every step of pig launcher and receiver installation.

Expert consultation by TDW enables the Offshore Pipeline market to:

  • Continue to provide product to the end user while installation takes place.
  • Analyze accurate data about the pipeline and job site.
  • Choose the best pig launcher and receiver for the specific situation.
  • Consult on best installation and setup methods.

STEP 3 / VIEW SOLUTIONS

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Pigging programs enhance pipeline integrity for Offshore Pipeline operators by reducing the risk of leaks through the removal of built-up liquids, contaminants, and deposits on the pipe wall. Cleaning pigs prepare the pipeline for evaluation, improving data capture and accuracy for the most valuable information possible

  • VANTAGE® V cleaning pig – Multi-use pig designed to remove both hard, crust-like and soft, gummy deposits, as well as ferrous materials.
  • PitBoss™ cleaning pig – Removes soft to medium-hard deposits from internal pits, which is essential to improving the effectiveness of corrosion inhibitors.
  • WCK cleaning pig – Removes contaminants and deposits that increase resistance to flow.
  • REDSKIN™ foam pig Used for light cleaning; one version incorporates a urethane cleaning wrap with bypass groove that effectively removes paraffin and other soft deposits that could lead to corrosion.
  • V-Jet® corrosion inhibitor pig – Sprays corrosion inhibitor onto the hard-to-reach inside top portion of multi-phase gas gathering and transmission lines.
  • OptionAll™ batching pigs – Designed for light cleaning, line filling and dewatering, batch separation, and liquid removal.
  • VANTAGE® V batching pig – Multi-use pig used for batching, displacing, and light cleaning,
  • UNISPHERE™ pig – Provides heavy-duty removal of liquid hydrocarbons and water from pipelines and piping systems.

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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In the Offshore Pipeline market, safety is of the utmost importance. During planned shutdowns, hot tapping and plugging (HT&P) technology allows operators to complete topside pipeline replacements and modifications – from making lines piggable to line lowering and relocations – 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.