The Wrong Det Cord: A Wireline Engineer’s Lesson in Perforation Failures

In wireline perforating, choosing the right detonating cord is just as important as selecting the right charges or switches. A small miscalculation in cord selection can lead to failed perforations, misfires, or downhole safety risks. I once learned this the hard way during a plug and perf job that didn’t go as planned. The Setup: …