A well of water was considered a great treasure in those hot eastern countries. Hence Jesus is often spoken of under that similitude. Isaiah 32:2; John 7:37; John 7:37.
Related Commentaries of Genesis 29:2
Genesis 29:2
2 And he looked, and behold a well in the field, and, lo, there were three flocks of sheep lying by it; for out of that well they watered the flocks: and a great stone was upon the well's mouth.