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Studded Cleaning Pig Cups: When to Use Them and When Not To

More Aggressive Cleaning Isn't Always Better

Studded cleaning pig cups are designed to provide additional scraping action in pipelines with heavy debris, mill scale, hardened wax, paraffin buildup, and other difficult cleaning challenges. While they can significantly improve cleaning performance in the right application, they are not the best solution for every pipeline.

Understanding when studded cups should — and should not — be used can help operators improve cleaning efficiency, reduce pig wear, and achieve better inspection results.


What Are Studded Cleaning Pig Cups?

Studded cleaning pig cups incorporate metal studs directly into the urethane cup. These studs provide additional scraping action as the pig travels through the pipeline, helping remove debris that standard urethane cups may struggle to dislodge.

Benefits may include:

  • Improved debris removal
  • Enhanced paraffin cleaning
  • Better mill scale removal
  • Increased scraping effectiveness
  • Improved preparation for inline inspection

When Should Studded Cleaning Pig Cups Be Used?

Studded cups are often selected when operators need more aggressive cleaning than standard urethane cups can provide.

Heavy Paraffin and Wax Deposits

Pipelines with significant wax accumulation may benefit from additional scraping action.

Mill Scale Removal

Construction debris and mill scale can be difficult to remove with standard cleaning pigs alone.

Hardened Debris

Some deposits become compacted or hardened over time, requiring a more aggressive cleaning approach.

Pipeline Rehabilitation Projects

Older pipelines returning to service or undergoing integrity programs may require enhanced cleaning.

Pre-Inspection Cleaning

In some applications, studded cups can help improve cleaning effectiveness before inline inspection runs.



When Should Studded Cleaning Pig Cups NOT Be Used?

Studded cups are not automatically the best choice for every cleaning run.

Routine Maintenance Cleaning

For pipelines with minimal debris, standard urethane cups may provide excellent cleaning performance without additional wear.

Light Debris Loads

Aggressive cleaning components may provide little additional benefit when debris levels are low.

Certain Coated Systems

Pipeline conditions, coatings, and operational objectives should always be reviewed before selecting cleaning pig components.

Applications Requiring Minimal Aggression

Some cleaning programs prioritize sealing performance over aggressive scraping action.


Studded Cups vs Standard Urethane Cups


Feature

Routine Cleaning

Heavy Wax Removal

Mill Scale Removal

Aggressive Scraping

Component Wear

Pre-ILI Cleaning

Standard Cups

YES

Limited

Limited

NO

Lower

Application Dependent

Studded Cups

YES

YES

YES

YES

Higher

Application Dependent

How Enduro Determines Whether Studded Cups Are Appropriate

There is no universal cleaning pig design that works for every pipeline.

Our team evaluates:

  • Pipeline diameter
  • Product type
  • Debris characteristics
  • Operating conditions
  • Cleaning objectives
  • Inspection requirements

-before recommending a cleaning pig design.

This helps ensure operators receive a tool designed specifically for their application.


Not Sure If Studded Cups Are Right for Your Pipeline?

Every pipeline presents unique cleaning challenges.

Our pipeline pigging specialists can help evaluate your operating conditions and recommend the right cleaning pig design for your application.

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Email: info@enduropls.com

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Frequently Asked Questions

  • Will studded cleaning pig cups damage a pipeline?

    When properly selected for the application, studded cups are designed to improve cleaning performance while operating safely within pipeline cleaning programs. Cleaning pig selection should always consider pipeline conditions and cleaning objectives.The selection of cleaning pigs

  • Can studded cups be added to existing cleaning pigs?

    In many cases, cleaning pig designs can be modified or customized. Our team can evaluate existing pig designs and recommend available options.

  • Are studded cups available on bi-directional pigs?

    Studded components can often be incorporated into various cleaning pig designs depending on pipeline requirements.

  • What types of debris are studded cups designed to remove?

    Studded cups are commonly used for wax, paraffin, mill scale, hardened deposits, and other difficult-to-remove debris.

  • Are studded cups recommended before inline inspection?

    Some operators use studded cleaning pigs as part of pre-inspection cleaning programs. The appropriate cleaning approach depends on pipeline conditions and inspection objectives.