||They dug another well, and it was also disputed. [Isaac] named it Accusation (Sitnah).
Vayachperu be'er acheret vayarivu gam-aleyha vayikra shmah Sitnah.
||He then moved away from there and dug another well. This time it was not disputed, so he named it Wide Spaces (Rechovoth). 'Now God will grant us wide open spaces,' he said. 'We can be fruitful in the land.'
Vayatek misham vayachpor be'er acheret velo ravu aleyha vayikra shemah Rechovot vayomer ki-atah hirchiv Adonay lanu ufarinu va'arets.
From there, [Isaac] went up to Beer-sheba.
Vaya'al misham Be'er Shava.
See Ezra 4:6. This has the same root as Satan.
There is a well known as Rehueibeh 20 miles southwest of Beer-sheba, equidistant between Beer-sheba and the site of Gerar. We thus see that Isaac was following the wadi from Gerar to Beer-sheba.