三江盆地绥滨坳陷石油地质特征

为了了解绥滨坳陷资源潜力，明确勘探方向，通过对其石油地质条件分析，预测最有利含油气远景区。认为绥滨坳陷的生烃层位是中生界，东荣组、城子河组和穆棱组厚度大、分布广，暗色泥岩发育，有机质丰度较高，热演化程度较高，达到了成熟至过成熟阶段，并在滨参1井岩心薄片(玻屑凝灰岩沥青缝)中发现了有油的浸染现象，说明在东荣组中曾有过油的运移；砂岩储层的物性较差，属于低孔低渗储集岩；东荣组、城子河组和穆棱组构成了该坳陷的三套相对较好的区域性盖层；具有良好的天然气勘探前景。最有利含油气远景区位于军川农场至普阳农场一带。

Petroleum geology of Suibin Depression in Sanjiang Basin

This paper predicts the most favorable potential area of Suibin Depression through petroleum geology analysis. It shows that the hydrocarbon generation formation is Mesozoic. Dangling, Chengzihe and Muling formations have a large thickness and distribution area. Dark shale develops much, organic matter has a high richness and thermal evolution degree reaches from mature to over-mature period. Oil dissemination is found in the core chip (vitroclstice tuffaceous asphaltic seam) of Well Binshen 1, indicating that Dongrong Formation has oil migration. Sandstone reservoirs have poor property with low porosity and low permeability. Dongrong, Chengzihe and Muling formations construct 3 sets of good regional cap rocks in the depression. The most favorable potential area locates in the area from Junchuan Plant to Puyang Plant.