Home › Forums › Coking › Operations › Cutting, Drilling, Unheading › Drilling This category contains 49 topics and 125 replies. Forum Topics Posts Freshness Drilling Equipment 19 71 2 years, 2 months ago gary m pitman Drilling, Cooling/Quenching, Water, Sludge, Fines, Cutting 0 0 No Topics Drilling Water & Cooling 30 103 2 years, 2 months ago detailsandersguide