Introduction
One large petrochemical facility in the Gulf Coast had been grappling with 14 days of unexpected unplanned downtime every year. One day off was costing the company production as well as a ballooning cost and tremendous pressure on operations. The reason was no different inspection delay, human factor, and time-consuming manual operations in ultrasonic testing (UT). The interruptions spread throughout the chain of supply and caused commitments to be broken and profits affected.
That all changed when TechCorr came up with robotic non-destructive testing (NDT). Plant automation to perform inspections and intelligent algorithms enabled the plant to transition to productive and resilient work instead of costly and lengthy downtimes. The outcome: 30 percentage points less downtime in only 90 days.
The case study examines the way the robotic NDT technology at TechCorr has helped resolve a real-life challenge in petrochemical processes, providing quantifiable benefits and demonstrating that inspection can be automated in the future.
Problem
A petrochemical plant is a high stakes environment where a single lapse of time equates to a loss of money. In the case of this Gulf Coast facility, the use of manual UT inspections revealed a number of weaknesses:
- Scaffolding requirements slowed inspections
Overhead and pipelines that were hard to reach would need a lot of scaffolding to inspect. Construction and removal of scaffolding lengthened building schedules. What could be accomplished in days was often taken weeks and equipment was kept idle. - Human error led to missed anomalies
The manual checks as reliable as they were over decades had a margin of error. In this plant, close to 15 percent of the thickness anomalies remained undetected, i.e. there are areas of possible corrosion or wall thinning which were not detected. These omissions were silent threats, which could lead to a leakage or a failure in the future. - High cost of downtime
Every day offline meant $500,000 in lost production. With up to 14 days of downtime a year, the facility was bleeding millions annually, not including the additional maintenance costs from unexpected failures.
The need to minimize downtime and still ensure safety and compliance formed the ideal storm. Leadership had realized that something was needed.
Solution
Enter TechCorr’s robotic NDT system, a solution designed not only to improve inspection accuracy but also to reimagine the entire inspection workflow. The system introduced three core innovations: advanced robotics, data-driven intelligence, and rapid digital reporting.
Robotic Crawlers for Faster Coverage
TechCorr has used crawler-mounted UT probes instead of manual scans that require a scaffold. These robotic crawlers would be able to follow elaborate pipe networks, and work under difficult conditions. This led to a tripled speed of scanning as compared to manual teams, and removed delays due to the erection of scaffolding.
Data-Driven Analysis for High-Risk Zones
Speed was not the only issue of the robotic NDT system, but precision. With TechCorr solution, high-risk areas like the elbow joints, where the corrosion and thinning were likely to happen, were forecasted by studying large volumes of data. This level of concentration has also helped to avoid unexpected failures since essential aspects were given the necessary attention.
Digital Reporting in Record Time
In the past, it would take five days to prepare and present inspection reports. The TechCorr robotic system enabled the plant to have actionable digital reports within 24 hours. This accelerated the reporting process to the level where maintenance staff could react in real-time and reduced downtime and improved planning.
SmartScan Algorithms for Accuracy
The very core of the system was the SmartScan technology by TechCorr. These proprietary algorithms reduce the number of false positives by 40 percent, resulting in cleaner and more valuable data. The plant saved on unnecessary maintenance work and increased its trust in the inspection results by limiting the number of unnecessary alarms.
All of these developments led to the idea that the inspection process could no longer be implemented in a manual and error-prone way, but in an intelligent and streamlined way.
Results
The effect was direct and quantifiable. In as little as 90 days, the plant achieved results that are well beyond what was anticipated:
- 30% reduction in downtime: Inspections that previously took a week to complete were now being done in a fraction of a minute, resulting in shorter turnarounds and continuous operations.
- Saving $1.2 million: Less downtime saved direct money, and avoided outages meant savings of millions of dollars.
- No defects have been missed: Subsequent audits proved that not a single anomaly had made it through the cracks, which confirmed the efficiency of the robotic system as well as the quality of the algorithms employed in SmartScan.
These results not only enhanced operations, but redefined the maintenance strategy of the plant. Indeed, by minimizing downtimes, enhancing inspection precision and accelerating result delivery, TechCorr enabled the facility to work with more confidence and efficiency.
Why This Matters for the Petrochemical Industry
There is constant pressure on the petrochemical sector to strike a balance between safety, compliance and profitability. Any failure in equipment can cause a disastrous event and over time downtime can bring down production timelines. The old methods of inspection, despite being effective, tend to fail to serve the needs of the new operations.
The robotic NDT solution of TechCorr meets these challenges directly:
- Efficiency benefits: Robots will remove the delays inherent in scaffolding and throughput constraints on manual scanning.
- Improved accuracy: Proprietary algorithms minimize false positives and human error.
- Quicker insights: Digital reporting reduces the time required to make decisions and enables plants to respond in real-time.
- Cost savings: Downtime saved will translate to millions of dollars saved per year.
Robotic inspections did not represent to this Gulf Coast plant a simple upgrade in technology but an investment in reliability and operational excellence.
Conclusion
The key point that can be learned in this success story is that implementing robotic NDT is not a choice in the petrochemical industry, but a necessity. Through addressing the company inspections issues that had long existed, TechCorr assisted its client to reduce downtime, save millions, and provide a safer operation in only 90 days.
Once struggling with weeks of waiting and increasing expenses, the leadership at the plant now has a smooth inspection process with high-quality results. Coupled with the crawler-mounted UT probes, SmartScan algorithms, and the quick digital reporting, the combination has become a game changer.
Finally, the case study features the way technology can revolutionize industrial processes. TechCorr robotic NDT provides a proven avenue to facilities that are struggling with the twin demands of efficiency and safety.
