在二连盆地不同凹陷地层岩性油藏成藏条件分析的基础上,认为地层岩性圈闭能否成藏,主要受4 个因素的控制。在圈闭与油源具备的前提下,良好的油气运移通道是地层岩性油藏形成的基础;流体动力学特征决定了地层岩性油藏的分布区域;储层临界物性是油气充注的决定性因素;砂体的封闭性能则是地层岩性圈闭成藏的关键。上述4 个因素良好配置,有利于地层岩性油藏的成藏。

Based on the analysis of the hydrocarbon accumulation conditions for stratigraphiclithologic reservoirs in different sags in Erlian Basin , the accumulation of the stratigraphic-lithologic traps is considered to be controlled by four factors. On the premise of traps and oil sources , favorable migration pathway is the background for the forming of the reservoirs ; the features of fluid dynamics are closely related to the distribution of the reservoirs ; the res-ervoir critical property is the deciding factor for the hydrocarbon injection ; the sand body sealing is the key factor for the accumulation.