Police in Kansas said a chase involving two people from Oklahoma ended with one of them falling into an oil tank.
It happened near Winfield, which is southeast of Wichita.
Police said Douglas Wilson and a woman stole a truck in Ponca City then drove into Kansas.
Police arrested Wilson after he crashed.
Officers said the woman ran off; she was later found inside an oil tank.
Police said the woman was on top of the tank when the lid gave way.
She was rescued and is expected to be OK.