Pigging Pigs In Pipeline Inspection

Pigging pigs play a crucial role in pipeline inspection by actively removing debris, ensuring smooth flow, and preventing blockages. Their use enhances efficiency, reduces downtime, and safeguards pipeline integrity.

Pipeline Pig

Material Test

     Polyurethane Test Report
NO.TEST PROJECTUNITTEST REPORTTEST METHOD
1Shore hardnessShore A83GB/T 531.1-2008
2DIN abrasionmm321GB/T 53516-1987
3Akron abrasioncm30.0518GB/T 1689-1998
4100% stress at definite elongationMPa3.41GB/T 528-2009
5300% stress at definite elongationMPa5.74GB/T 528-2009
6Tensile strengthMPa51.2GB/T 528-2009
7Elongation at break%1263GB/T 528-2009
8Tear strength (right angle)kN/m77GB/T 529-2008
9Resilience rate%34GB/T 1681-2009

Pigging Tools

Model Selection

NameModelPerformanceTechnical Parameters
Hygroscopic  Foam PigLCQZ-RTH1. It is formed by one-time foaming of polyether polyurethane material.Starting pressure: 0.2-0.3 MPa
2. Soft texture, and good elasticity.Density: 35 kg/m³~150 kg/m³
3. It has strong water absorption performance. And the deformation amount can reach 70%.Withstand pressure: 7 MPa
4. Remarkable effect on dewatering, degreasing, and drying of pipelines.Stretch rate: 320%
Compression ratio: 60
Flex life: 50,000 times
Attrition rate: 4 mm/100 km
Operating distance: 50 km~150 km
Operating temperature: -30℃~100℃
Bare Foam PigLCQZ-RTN1. Soft texture and good flexibility.Starting pressure: 0.02 MPa
2. With strong water absorption, the deformation amount can reach 60%.Density: 35 kg/m³~220 kg/m³
3. Used for dewatering, cleaning, and drying pipelines.Withstand pressure: 7 MPa
Stretch rate: 320%
Compression ratio: 60
Flex life: 50,000 times
Attrition rate: 4 mm/100 km
Operating distance: 50 km~150 km
Operating temperature: -30℃~100℃
Polly Foam PigLCQZ-RTR1. Its interior material is polyurethane. The surface is coated with a polyurethane elastomer coating.Starting pressure: 0.02 MPa
2. Good flexibility and certain wear resistance.Density: 35 kg/m³~220 kg/m³
3. The deformation amount can reach 50%.Withstand pressure: 7 MPa
4. For scrubbing, descaling, and fluid isolation of pipes use.Stretch rate: 320%
Compression ratio: 50
Flex life: 50,000 times
Attrition rate: 2 mm/100 km
Operating distance: 100 km~300 km

Specifications

NameCustomized Foam Pigging Pigs
MaterialPolyurethane
Light Density0.02-0.3g/m3
Medium Density0.08-0.12g/m3
Heavy Density0.13-0.16g/m3
Feature1. High wear resistance
2. Good cleaning performance
3. Low cost
PaymentTT/LC
Advantage1. They are lightweight and flexible.
2. Nice cleaning efficiency.
3. Accurate location tracking.

Pigging Oil Pipelines

Frequently Asked Questions (FAQs)

A. What are pigging pigs, and how do they work?

Pigging pigs, also known as piping pigs, are devices used in pipeline operations to perform various functions actively. They are inserted into the pipeline and propelled by the flowing product or external means. These devices effectively clean the pipeline, inspect its condition, and even separate different products in multi-product pipelines. They work by actively removing debris, sediment, and deposits from the pipeline walls, ensuring smooth flow and preventing blockages.

B. Why is pipeline inspection important for infrastructure integrity?

Pipeline inspection is crucial for maintaining infrastructure integrity. Regular inspections help detect potential issues and prevent costly failures. By proactively identifying and addressing problems, inspections ensure the pipeline’s integrity, preventing leaks, ruptures, and other hazardous incidents. They also help maintain optimal operational efficiency and extend the lifespan of the pipeline.

C. How often should pipeline pigging operations be conducted?

The frequency of pipeline-pigging operations depends on various factors, such as the pipeline’s characteristics, the operator should transport of the product, and regulatory requirements. Generally, operators should conduct pigging operations regularly to ensure ongoing maintenance and integrity. The operator should determine a specific schedule based on the pipeline’s condition and operational demands, following industry best practices and guidelines.

Benefits

Advanced inspection pigs offer numerous benefits as they employ cutting-edge technologies, including sensors, cameras, and data recording capabilities. By utilizing these advanced tools, they gather highly precise and detailed information about the pipeline’s condition, enabling operators to assess defects and potential risks more effectively. The timely identification of issues becomes possible, leading to prompt repairs and maintenance. This proactive approach actively prevents costly failures and guarantees the overall safety and efficiency of the pipeline system. By integrating advanced inspection pigs, operators can proactively protect their infrastructure, optimize operational performance, and ensure a secure and reliable pipeline network.

Safety precautions should be taken during pigging operations

Implementing safety precautions during pigging operations is of utmost importance. To guarantee a secure working environment, several key measures should be taken. First and foremost, personnel involved must undergo proper training to ensure they possess a comprehensive understanding of the equipment and procedures. Additionally, wearing adequate personal protective equipment, including gloves, safety glasses, and appropriate clothing, is essential. Before commencing pigging, it is crucial to meticulously isolate and depressurize the pipeline, mitigating the risk of unexpected releases or accidents. Furthermore, strict adherence to safety protocols, such as lockout/tagout procedures, is necessary to prevent unauthorized access or equipment activation during the operation. Regular risk assessments and the presence of emergency response plans are also vital components, enabling effective handling of any unforeseen circumstances. By implementing these safety measures, operators can maintain a secure working environment and minimize potential risks throughout the pigging process.

Conclusion

In conclusion, pigging pigs play a crucial role in pipeline inspection by actively removing debris, ensuring smooth flow, and preventing blockages. Their use enhances efficiency, reduces downtime, and safeguards pipeline integrity. With advanced inspection pigs equipped with cutting-edge technologies, operators can accurately assess defects, identify risks, and promptly address issues, preventing costly failures. Implementing proper safety precautions during pigging operations is essential to protect personnel and maintain a secure working environment. By following industry guidelines and conducting regular inspections, pipeline operators can optimize performance, extend the lifespan of their infrastructure, and ensure the safe and efficient transportation of products. Transitioning from the benefits of advanced inspection pigs to the importance of safety precautions, it is evident that a comprehensive approach to pipeline maintenance is necessary for a successful and sustainable operation.

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