Genesis 26:22-26

Then he moved away from there and dug another well, and they did not quarrel over it; so he named it Rehoboth, for he said, “At last the Lord has made room for us, and we will be fruitful in the land.”

And he went up from there to Beersheba.

And the Lord appeared to him the same night and said, “I am the God of your father Abraham; Do not fear, for I am with you. I will bless you and multiply your descendants, For the sake of My servant Abraham.”

So he built an altar there and called upon the name of the Lord, and pitched his tent there; and there Isaac’s servants dug a well. Covenant with Abimelech

Then Abimelech came to him from Gerar with his adviser Ahuzzath, and Phicol the commander of his army.