וְכָל־הַבְּאֵרֹ֗ת אֲשֶׁ֤ר חָֽפְרוּ֙ עַבְדֵ֣י אָבִ֔יו בִּימֵ֖י אַבְרָהָ֣ם אָבִ֑יו סִתְּמ֣וּם פְּלִשְׁתִּ֔ים וַיְמַלְא֖וּם עָפָֽר׃
Now all the wells which his father’s servants had digged in the days of Abraham his father, the Philistines had stopped them, and filled them with earth.
Read halakhic rulings (Jewish law) on Genesis 26:15: and classical halakhic sources.