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 result shows that: it is quite likely that there is a big accumulation of oil and gas in mid-deep formation of Kuihuadao structure, exploration pot...
- Kazakhstan has a wealth of oil and gas.
- The country has abundant supplies of oil and gas.