CORPUS CHRISTI (Kiii News) — Residual oil trapped underneath the sand from previous spills -- it's a pretty common situation and it can harm the environment.

Researchers at the oil spill control school at Texas A&M University-Corpus Christi Monday got a demonstration of one way to discover those oil deposits using a specially trained K-9.

Chrion K-9 is a program that takes dogs to locations to detect oil beneath the surface. One dog can do what would normally take a team of researchers, and they can do it in a fraction of the time.

The person who knows that best is Paul Bonker, owner of Chrion K-9.

"Dogs can find oil a minimum of three feet subsurface, and this is a huge improvement on the current capability which was humans digging holes on the beach," Bonker said.

It's simple. Bonker brings his dog, Nika, to a location and she begins sniffing for oil. She can search up to 20 miles.

"Nika can cover that area very fast and actually pinpoint areas where the location is. That means valuable resources like data collectors and scientists can be prioritized to areas they're most needed," Bonker said.

This is incredibly beneficial to Tony Wood. He's the director of the National Spill Control School and said the oil that gets stranded from spills never goes away.

"It gets covered up by the sand, the moving sand, the rivers, that kind of thing. What happens then, it's not hit with the wave action. It's not hit with the high energy. It's not hit with the rays of the sun, and it's not breaking down," Wood said.

Thanks to Nika and other oil detecting dogs like her, Wood said researchers are able to flag an area and begin digging.

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