accumulation of oil and gas的用法和样例：
- Besides, with regard to the effect that overpressure leads to the migration and accumulation of oil and gas, two entrapping modes are provided.
- The fault has dual functions in migration and accumulation of oil and gas,the one is to destruct hydrocarbon reservoir,another is to seal oil and gas.
- The main faults in east west trend both flanks of the anticline zone played a very important role for the evolution of structure and accumulation of oil and gas.
- Kazakhstan has a wealth of oil and gas.
- The country has abundant supplies of oil and gas.