Alert 98 – 26 More on Casing Safety WHAT HAPPENED: After running all 9-5/8″ casing, the 10-3/4″ 500-ton elevator was rigged up with the operating lever facing the
Alert 98 – 23 High Pressure Hose Safety WHAT HAPPENED: A high-pressure top-drive rotary hose ruptured under a pressure of 3000 psi. The hose fell to the