Change of ground stress influences pore pressure and oilpotential, thus has a great influence upon oil migration accumulation.
地应力变化影响孔隙压力和油势，因而对石油运移和聚集有重要影响。
2
The fracture network parameters are of importance to the development and the remaining oilpotential-tapping of buried hill fracture reservoir.
裂缝网络参数是潜山裂缝油藏开发和剩余油挖潜不可缺少的重要参数。
3
The genetic types in river facies sand-body are divided into 5 types and corresponding measures of excavating remaining oilpotential must be adopted for each type.