Genesis 26:14-18

for he had possessions of flocks and herds, and a great household, so that the Philistines envied him.

Now all the wells which his father’s servants had dug in the days of his father Abraham, the Philistines stopped up by filling them with dirt.

Then Abimelech said to Isaac, “Go away from us, for you are too powerful for us.”

So Isaac departed from there and camped in the Valley of Gerar, and settled there. Argument over the Wells

Then Isaac dug again the wells of water which had been dug in the days of his father Abraham, for the Philistines had stopped them up after the death of Abraham; and he gave them the same names which his father had given them.