Genesis 26:15-18

(Now the Philistines had stopped and filled with earth all the wells that his father’s servants had dug in the days of Abraham his father.) And Abimelech said to Isaac, “Go away from us, for you are much mightier than we.” So Isaac departed from there and encamped in the Valley of Gerar and settled there. And Isaac dug again the wells of water that had been dug in the days of Abraham his father, which the Philistines had stopped after the death of Abraham. And he gave them the names that his father had given them.