US-based Laversab recently introduce certified Class 1, Division-1/Zone-1 & Class 1, Division- 2/Zone-2 computers for harsh environments. Today, computers are almost ubiquitous on drilling rigs. They are used for a variety of operations like Measurement While Drilling (MWD), Logging While Drilling (LWD), Electronic Drilling Recorder (EDR), Mud logging, Mud pumping, Cementing, Fracturing, monitoring Top-Drives, Blow Out Preventers (BOP), Mud-Pits and many other functions. Computers…