Section 58(2)(b) in The Oil Mines Regulations, 2017
(b)an area within five hundred metre of the well on the down wind direction is demarcated as danger zone, and-(i)all electrical installations within the danger zone is de-energised to prevent the ignition;(ii)flameproof or intrinsically safe lamp or torch is only be used within the danger zone; and(iii)no naked light or vehicular traffic is permitted within the danger zone;