Show Mexico Uses Troops to Guard Sealed Oil Wells MEXICO CITY June 15 AP AP- AP Federal troops hoops are to be used to prevent exploitation of ot oil on wells well drilled by certain oil pil companies despite cancellation of their per per- mits mils The department of commerce am and Industry a asked the war department department today to place some federal troops troop at the disposal of the pe petroleum petroleum petroleum pe- pe agency because it stated certain oil companies companies' had been illegally illegally 11 il- il legally drilling and exploiting wells although permits had been denied When such wells were discovered the department says it locked th the valves but thel were broken and exploitation was continued |