Flare Stack If the flare stack is serving its purpose while drilling an oil well, it means: 1. Burning Off Excess Gas – The flare stack safely disposes of unwanted hydrocarbons (e.g., natural gas) by burning them, preventing dangerous pressure buildup. 2.Pressure Relief – It acts as a safety system to release excess pressure from the well, reducing the risk of blowouts. 3. Indication of Well Flow – A consistent flare may indicate that gas is flowing from the well as expected. 4. Environment Comp