The well has erupted, the oil is bountiful. During the well's explosion, HW was cast off the roof where he was watching the well and the impact disables his hearing. Daniel runs to the well and immediately grabs HW, meaning he is who he was primarily thinking of. When he brings HW to safety he learns that HW is deaf, and he shows much sign of resent for that fact. HW was his only connection, his only sense of family he has left and now he is deaf. When the well erupts into flames he immediately leaves HW's side. Hurt inside that he can't communicate with his son he checks that off his list and goes right to the next most important thing, his investment.
