Difference of petroleum engineering in petrochemical oil service

The difference between petrochemical oil service and petroleum engineering lies in the different company and business scope.

1. Company difference: Petroleum engineering in petrochemical oil service refers to some independent oil service companies, while PetroChina refers to the engineering construction company under China Petroleum and Natural Gas Corporation (CNPC).

2. Different business scope: Petrochemical oil is mainly engaged in oil exploitation, oil field exploration, drilling and underground operations in the petrochemical field, while PetroChina is mainly engaged in engineering construction, design consultation and project management in the petrochemical field.