Case Studies

Sour Water Tank Shell

Gecko's 2-person crew completed a rapid ultrasonic gridding (RUG) inspection on a sour water tank shell gathering 293K UT thickness measurements in 12 hours. Read More.

Boiler Slopes

One of the most frequent triggers of unplanned outages, experienced over decades of plant operation, are boiler tube leaks. With that knowledge, a multi-unit power plant in the Midwest hired Gecko to utilize its robotic inspection method on the corner fired boiler of Unit 2 in the fall of 2019. Read More.


Gecko was tasked with partnering with a well-known manufacturer, for the 6th time in one year, at one of their paper mills in the Southeastern US to inspect a batch digester. Read More.


Efficient use of scheduled plant outage time and the coordination of many third-party contractors create a need for speed and flexibility. Gecko was entrusted, by a coal-fired utility power plant in Wyoming, to perform robotic ultrasonic testing inspection on back-end equipment. Read More.

Fractionator Overhead Line

Online refinery inspections, particularly for high temperature overhead lines, necessitate evaluation of solutions. For an inspection at an oil refinery in southern Louisiana, the surface temperature of the fractionator piping was 240°F. Read More.

Butane Sphere

Gecko Robotics was procured to take on an NDT inspection of a Butane Sphere that would have otherwise needed extensive days and rope access to be completed. Read More.

Fuel Silos

For a 1080MW plant in North Carolina, getting an inspection done on ten bituminous coal silos to help identify risks of failure was critical for maintenance. Learn how Gecko’s portal allowed the plant to exceed expectations in preventative maintenance and provide a longer asset life cycle. Read More.


Forced outages and planning for repairs were causing major issues for a 1300MW power plant in Kentucky. Like most, this plant had only used conventional hand-held NDT inspection methods. Learn how introducing new technology helped them during a critical time with fast turnarounds and 100% coverage. Read More.

Recovery Boiler

Under Deposit corrosion (UDC) is one of the hardest types of corrosion to identify and a common mode of failure in boiler tubes. It’s biggest issue: it can’t physically be seen. Find out how this Georgia paper mill identified the localized corrosion and acted on it. Read More.

Tube Bundles

For cogeneration plants, like AES Warrior Run, eliminating downtime is the name of the game. Forced shutdowns due to tube failures were a major contributor to costly plant downtimes. EVA - Gecko’s laser profilometry robot - paired with the GRIT team were brought in to perform a robotic inspection that resulted in millions of dollars saved. Read More.

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