Cross reference
Genesis 26:15
15 Now all the wells which his father's servants had digged in the days of Abraham his father, the Philistines had stopped, and filled with earth.
Genesis 21:30
30 And he said, These seven ewe lambs shalt thou take of my hand, that it may be a witness unto me, that I have digged this well.
Genesis 21:25
25 And Abraham reproved Abimelech because of the well of water, which Abimelech's servants had violently taken away.