Pipeline Pigging
Pipeline pigging is a maintenance practice used in the oil and gas industry to clean and inspect pipelines. The term "pig" refers to a device that moves through pipelines to perform various tasks, like cleaning, checking for damage, or measuring pipeline conditions. Think of it like sending a special cleaning or inspection tool through a pipe, similar to using a plumber's snake in household plumbing, but much more sophisticated. The process is essential for maintaining pipeline safety and efficiency. When you see this term in resumes, it usually indicates experience with pipeline maintenance and inspection operations.
Examples in Resumes
Supervised Pipeline Pigging operations for 500 miles of natural gas pipelines
Conducted maintenance using Pipeline Pig technology on major oil transport systems
Managed Pigging Operations for offshore pipeline cleaning and inspection projects
Typical job title: "Pipeline Engineers"
Also try searching for:
Where to Find Pipeline Engineers
Professional Organizations
Job Boards
Industry Networks
Example Interview Questions
Senior Level Questions
Q: How would you plan a major pipeline pigging operation?
Expected Answer: Should discuss coordination of teams, safety procedures, scheduling around production, risk assessment, and having backup plans for different scenarios that might occur during the operation.
Q: What factors do you consider when selecting pig types for different operations?
Expected Answer: Should explain how pipeline conditions, product being transported, cleaning vs. inspection needs, and pipeline characteristics influence pig selection decisions.
Mid Level Questions
Q: What safety procedures are essential during pigging operations?
Expected Answer: Should describe basic safety protocols, pressure monitoring, communication procedures, and emergency response planning for pigging operations.
Q: How do you handle a stuck pig situation?
Expected Answer: Should explain the step-by-step process of locating the pig, assessing the situation, and various recovery methods while maintaining safety standards.
Junior Level Questions
Q: What are the basic types of pipeline pigs and their uses?
Expected Answer: Should be able to describe common types like cleaning pigs, gauging pigs, and smart pigs, along with their basic functions.
Q: What documentation is required for pipeline pigging operations?
Expected Answer: Should mention basic operational reports, safety checklists, and maintenance logs that need to be maintained during pigging operations.
Experience Level Indicators
Junior (0-2 years)
- Basic pipeline operations knowledge
- Understanding of pigging equipment
- Safety procedure compliance
- Basic maintenance documentation
Mid (2-5 years)
- Pig selection and operation
- Troubleshooting common issues
- Team coordination
- Emergency response handling
Senior (5+ years)
- Operation planning and management
- Risk assessment and mitigation
- Project supervision
- Advanced problem-solving
Red Flags to Watch For
- No hands-on pipeline maintenance experience
- Lack of safety certification or awareness
- No knowledge of industry standards and regulations
- Unable to explain basic pigging procedures
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