油源岩评价 meaning in English

source rock evaluation

The evaluation of oil source rocks is based on magnitude of the expelling oil ( expelling oil quantity = net oil quantity - residual oil quantity ) , and the evaluation of gas source rocks is based on magnitude of expelling gas ( quantity of expelling gas = gas quantity of generation - adsorption - dissolving in oil - dissolving in water - diffusion )
油源岩评价以排油量大小为标准(排油量=净油量-残留油量) ，气源岩以排气量大小为标准(排气量=生气量-吸附气量-油溶气量-水溶气量-扩散气量) 。