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Case Study: Freeze Plug Usage In Reagan County

Case Study: Freeze Plug Usage In Reagan County

PFS Nitrogen Services, a sister company of N2 Solutions, specializes in nitrogen-propelled pigging and pipe freeze isolations. This case study highlights a successful project in Big Lake, TX, where PFS helped a contractor locate a leak on a 6” pipeline. Using pipe freeze isolations, PFS identified the source of a leak discovered during hydrostatic testing that could not be pinpointed through conventional methods.

Location

Big Lake, Texas

Pipeline Specifications

Line Size: 6" x 5 miles

Background

A prominent contractor approached PFS Nitrogen Services for pipe freezing on a pipeline, enabling them to locate and repair a leak without needing to dewater and refill the entire system. The client had been searching for the leak for over a week without success.

Scope of Work

PFS was contracted to perform pipe freeze isolations on a 5-mile segment of 6” pipeline that had shown leakage during a hydrostatic test. The project scope included mobilizing and demobilizing specialized equipment and personnel, executing eight pipe freezes, and completing the operation within the proposed timeframe and budget.

The Execution Plan

The execution plan for this project included several critical elements:

  • Pipeline Details: Detailed information about the pipeline specifications and contents.
  • Scope of Work: Comprehensive outline of the tasks and objectives.
  • Deliverables: Clearly defined project deliverables and timelines.
  • Safety: Rigorous safety protocols and measures.
  • Setup: Specifics on the equipment and procedures for the freeze initiation.
  • Procedure: Step-by-step guide for executing the freeze and subsequent operations to locate the leak.
  • Site Pictures: Visual documentation of the site and process.

Achievements

The operation was completed successfully, achieving all objectives within the expected timeframe and budget. PFS Nitrogen Services showcased their expertise in managing complex projects in high-stakes environments. The pipe freeze isolation enabled the pipeline contractor to locate and repair the leak, underscoring the effectiveness of PFS’s specialized services.

Why Choose PFS?

As an N2 Solutions Company, PFS is dedicated to providing top-notch personnel, cutting-edge equipment, and efficient pigging systems to meet all your nitrogen-propelled pigging needs, regardless of size or complexity.

Our comprehensive services include:

  • Project Planning
  • Pig Selection and Services
  • Engineering Calculations
  • Nitrogen Pumping and Execution
  • Pipeline Cleaning

Whether it involves offline mechanical cleaning, decommissioning, de-inventory, smart pigging, gauge plate runs, inerting, purging, or abandonment, PFS has the expertise and experience to handle it all.

 

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About N2 Solutions

N2 -(300 x 150) (3)N2 Solutions strengthens their position as a nitrogen services leader with the acquisition of PFS Nitrogen Services, expanding its locations and product offerings. With pump trucks, nitrogen transports, pipeline chemical solutions, pig tracking, ILI tool runs, and pipe freeze technology, N2 delivers cost-effective solutions to energy, industrial, chemical, and pipeline clients. Together, N2 Solutions and PFS set a new standard of excellence in nitrogen solutions for their customers.

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