Diesel engine tail gas drilling is a kind of gas-based underbalanced drilling, with advantages of protecting oil/gas reservoirs and improving ROP.

• 柴油机尾气负压钻井属气基欠平衡钻井,具有保护油气层和提高钻井速度等优点,但柴油机尾气成分复杂对石油管材可产生不同程度的腐蚀。