Home › Forums › Coking › Operations › Cutting, Drilling, Unheading › Drilling This category contains 49 topics and 125 replies. Forum Topics Posts Freshness Drilling Equipment 19 71 1 month, 3 weeks ago gary m pitman Drilling, Cooling/Quenching, Water, Sludge, Fines, Cutting 0 0 No Topics Drilling Water & Cooling 30 103 1 month, 3 weeks ago detailsandersguide