Speaking at the SPE Digital Energy event earlier this year Nestor Fesas of the Athens Group noted that drilling software was particularly risky. One application that controlled a top drive caused erratic behavior and injured two rig hands. Drilling software is risky because it is 'invisible,' specs are often inadequate, the development processes are immature. This means that it is 'easy' to change and implement specs late in the development cycle, a dangerous process.
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