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Ensuring Safety in Natural Gas Supply: The Importance of Odorization Services in Mobile

  • Writer: Mitch
    Mitch
  • Dec 29, 2025
  • 4 min read

Mobile, Alabama, plays a vital role in the energy network along the Gulf Coast. Its coastal location supports a complex system of natural gas pipelines that fuel homes, businesses, and industries. Safety remains a top priority in this environment, where the risk of undetected gas leaks can have serious consequences. One essential safety measure is the odorization of natural gas, a process that makes otherwise odorless gas detectable by smell. This post explores the science and technology behind natural gas odorization, the conditioning of pipelines, and how Burgess Pipeline Services supports Mobile’s energy infrastructure with advanced odorization solutions.



Eye-level view of natural gas pipeline valve near Mobile Bay coastline
Natural gas pipeline valve near Mobile Bay coastline

Natural gas pipeline valve near Mobile Bay coastline, highlighting infrastructure critical to Alabama’s energy safety.



The Science Behind Odorless Gas


Natural gas primarily consists of methane, a colorless and odorless gas. Methane’s lack of smell makes it impossible to detect leaks without special equipment or added odorants. This invisibility poses a safety risk because leaks can lead to fires, explosions, or health hazards if inhaled in large amounts.


To address this, gas suppliers add odorants called mercaptans. Mercaptans are sulfur-based compounds with a strong, distinctive smell often described as rotten eggs or garlic. Even tiny amounts of mercaptans make natural gas easily detectable by the human nose. This early warning system helps people recognize leaks quickly and take action.


The addition of mercaptans follows strict safety standards set by regulatory bodies such as the Pipeline and Hazardous Materials Safety Administration (PHMSA). These standards ensure the odorant concentration is sufficient for detection but does not affect the gas’s performance or safety.


How Odorization Systems Work and Why They Matter


Odorization systems inject mercaptans into the natural gas stream before it enters the pipeline network. These systems include several key components:


  • Odorant Storage Tanks: Secure containers that hold mercaptan liquids or blends.

  • Injection Pumps: Precisely control the amount of odorant added based on gas flow rates.

  • Mixing Chambers: Ensure thorough blending of odorant with the gas for consistent odor distribution.

  • Monitoring Sensors: Track odorant levels and system performance to maintain compliance.


Burgess Pipeline Services installs and maintains odorization systems designed for reliability and accuracy. Their systems meet or exceed federal and state regulations, ensuring Mobile’s pipelines remain safe and compliant.


Proper odorization prevents “odor fade,” a phenomenon where the smell weakens as gas travels through pipelines. This can happen due to chemical reactions or absorption by pipeline materials. Burgess’s systems include features to monitor and adjust odorant levels, maintaining effective odor detection throughout the network.


Pipeline Pickling: The Key to Preventing Odor Fade


Pipeline pickling is a conditioning process that prepares new or repaired pipelines before they carry natural gas. It involves cleaning the pipeline interior with acid solutions to remove rust, scale, and other contaminants. This step is crucial because these impurities can absorb mercaptans, reducing the gas’s odor intensity.


By thoroughly cleaning the pipeline, pickling helps maintain the strength of the odorant smell, ensuring leaks remain detectable. Burgess Pipeline Services offers expert pipeline pickling as part of their odorization service package. Their technicians use industry-approved methods and materials to protect pipeline integrity while enhancing odorant performance.


Pickling also extends pipeline life by preventing corrosion and buildup, which can cause operational issues. In Mobile’s coastal environment, where humidity and salt air accelerate corrosion, pickling is especially important.


Local Challenges and Environmental Factors


Mobile Bay’s coastal climate presents unique challenges for natural gas odorization and pipeline conditioning. High humidity, salt spray, and temperature fluctuations can affect pipeline materials and odorant behavior.


Salt and moisture can accelerate corrosion inside pipelines, increasing the risk of odor fade and leaks. Temperature changes can cause gas pressure variations, impacting odorant mixing and detection.


Burgess Pipeline Services understands these local conditions and tailors their odorization and pickling solutions accordingly. They use corrosion-resistant materials and adjust odorant injection rates based on environmental monitoring. This proactive approach helps maintain pipeline safety despite Mobile’s challenging coastal climate.


Operational Best Practices for Utilities


Utilities managing natural gas pipelines in Mobile can improve safety and efficiency by following these best practices:


  • Regular Maintenance: Schedule routine inspections and servicing of odorization equipment to prevent failures.

  • Continuous Monitoring: Use sensors and data analytics to track odorant levels and detect anomalies early.

  • Pipeline Conditioning: Perform pickling and cleaning after repairs or before commissioning new pipelines.

  • Staff Training: Educate operators on odorization system operation and leak response procedures.

  • Compliance Audits: Conduct internal reviews to ensure adherence to safety regulations and standards.

  • Emergency Preparedness: Develop clear protocols for leak detection, reporting, and response.


Burgess Pipeline Services supports utilities with training programs, maintenance contracts, and emergency response planning. Their expertise helps utilities maintain safe, reliable natural gas delivery in Mobile’s coastal region.


Frequently Asked Questions


Why is natural gas odorless before odorization?

Natural gas is mostly methane, which has no smell. Odorants are added to make leaks detectable.


What are mercaptans and why are they used?

Mercaptans are sulfur compounds with a strong smell. They alert people to gas leaks quickly.


How often should odorization systems be checked?

Regular checks depend on system design but typically occur monthly or quarterly to ensure proper function.


What causes odor fade in pipelines?

Odor fade happens when odorants are absorbed by pipeline materials or react chemically, weakening the smell.


Is pipeline pickling necessary for all pipelines?

Pickling is recommended for new or repaired pipelines to clean the interior and prevent odor fade and corrosion.


How does Mobile’s coastal environment affect gas odorization?

Humidity, salt, and temperature changes can increase corrosion and affect odorant performance, requiring tailored solutions.


Contact Us


For expert natural gas odorization and pipeline conditioning services in Mobile, contact Burgess Pipeline Services. Speak directly with a specialist by phone or use our live chat for immediate assistance. Protect your pipeline network with trusted safety solutions designed for Alabama’s coastal energy needs.


 
 
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