四川盆地震旦系灯影组孔隙类型和充填特征——以天全县龙门剖面为例
|
摘要
龙门剖面震旦系灯影组位于四川盆地西南部,总体上为一套障壁海岸相潮坪沉积.孔隙的发育主要受控于古岩溶作用,在纵向上具有旋回性,主要受控于海平面的升降变化和构造运动的抬升剥蚀.储层沥青在古风化面附近含量较高,且沥青的含量和产状的分布与储层储集性能有较好的正相关关系.通过对含沥青段和不含沥青段的对比研究发现,优质储层形成的条件是油气充注前孔隙保存较好,且有一定的构造高度.油气的充注可以使得储集空间得以保存,未被油气充注的储集空间在随后的地质历史中也被各种矿物充填.
The main sedimentary faces of Sinian Dengying Formation of Longmen section is tide deposits of barrier shoreline.The pore was mainly controlled by palaeokarst.Due to the sea level change and uplift erosion of the tectonic movement,it could find the cyclicity of the pores in the vertical sections.The bitumen has high levels near palaeokarst,where the content and the occurrences of the bitumen have the positive correlation with the quality of reservoir.Through the contrast between bitumen segment and non-bitumen segment,there are the results that the formation of good reservoirs is the pores which were preserved well before hydrocarbon injection and the trap have a certain height.Hydrocarbon injection was better for preservation of the pores while the pores that were not injected by hydrocarbon were filled by various minerals in the subsequent geological history.
The main sedimentary faces of Sinian Dengying Formation of Longmen section is tide deposits of barrier shoreline.The pore was mainly controlled by palaeokarst.Due to the sea level change and uplift erosion of the tectonic movement,it could find the cyclicity of the pores in the vertical sections.The bitumen has high levels near palaeokarst,where the content and the occurrences of the bitumen have the positive correlation with the quality of reservoir.Through the contrast between bitumen segment and non-bitumen segment,there are the results that the formation of good reservoirs is the pores which were preserved well before hydrocarbon injection and the trap have a certain height.Hydrocarbon injection was better for preservation of the pores while the pores that were not injected by hydrocarbon were filled by various minerals in the subsequent geological history.
引文
[1]包茨.天然气地质学[M].北京:科学出版社,1988:53.
[2]刘树根,马永生,黄文明,等.四川盆地上震旦统灯影组储集层致密化过程研究[J].天然气地球科学,2007(4):485-496.
[3]张志敬,四川盆地震旦系灯影组储层特征及其形成机理研究[D].成都:成都理工大学博士学位论文,2010:7-50.
[4]黄泽光,翟常博,吕俊祥,等.上扬子地区下组合成藏条件研究[R].中石化股份有限公司勘探南方分公司,2008:42.
[5]刘树根,马永生,王国芝,等.四川盆地震旦系—下古生界优质储层形成与保存机理[J].油气地质与采收率,2008(1):1-5.
[6]金之钧,朱东亚,胡文瑄,塔里木盆地热液活动地质地球化学特征及其对储层影响[J].地质学报,2006(2),246-252.
[7]黄文明,刘树根,张长俊,等.四川盆地震旦系储层孔洞形成机理与胶结充填物特征研究[J].石油实验地质.2009(5):449-461.
[8]王兴志,穆曙光,方少仙,等.四川盆地西南部震旦系白云岩成岩过程中的孔隙演化[J].沉积学报,2000(4):549-554.
[9]罗啸泉,郭东晓,蓝江华.威远气田震旦系灯影组古岩溶与成藏探讨[J].沉积与特提斯地质,2001(4):54-60.
[10]Braithwaite C J R,Rizzi G,Darke G.The geometry and petrogenesis of dolomite hydrocarbon reservoirs[M].London:GeologicalSociety Special Publication,2004.
[11]王兴志,陈科贵,黄继祥,等.四川盆地震旦系储集层次生储集空间内化学充填物研究,石油勘探与开发[J].2001(4):41-47.
[12]向芳,陈洪德,张锦泉.资阳地区震旦系古岩溶作用及其特征讨论[J].沉积学报,2001(3):421-425.
[13]郑荣才,胡忠贵,冯青平,等.川东北地区长兴组白云岩储层的成因研究[J].矿物岩石,2007(4):79-84.
[14]崔会英,张莉,魏国齐,等.四川盆地威远-资阳地区震旦系储层沥青特征及意义[J].石油实验地质,2008(5):489-493.
[2]刘树根,马永生,黄文明,等.四川盆地上震旦统灯影组储集层致密化过程研究[J].天然气地球科学,2007(4):485-496.
[3]张志敬,四川盆地震旦系灯影组储层特征及其形成机理研究[D].成都:成都理工大学博士学位论文,2010:7-50.
[4]黄泽光,翟常博,吕俊祥,等.上扬子地区下组合成藏条件研究[R].中石化股份有限公司勘探南方分公司,2008:42.
[5]刘树根,马永生,王国芝,等.四川盆地震旦系—下古生界优质储层形成与保存机理[J].油气地质与采收率,2008(1):1-5.
[6]金之钧,朱东亚,胡文瑄,塔里木盆地热液活动地质地球化学特征及其对储层影响[J].地质学报,2006(2),246-252.
[7]黄文明,刘树根,张长俊,等.四川盆地震旦系储层孔洞形成机理与胶结充填物特征研究[J].石油实验地质.2009(5):449-461.
[8]王兴志,穆曙光,方少仙,等.四川盆地西南部震旦系白云岩成岩过程中的孔隙演化[J].沉积学报,2000(4):549-554.
[9]罗啸泉,郭东晓,蓝江华.威远气田震旦系灯影组古岩溶与成藏探讨[J].沉积与特提斯地质,2001(4):54-60.
[10]Braithwaite C J R,Rizzi G,Darke G.The geometry and petrogenesis of dolomite hydrocarbon reservoirs[M].London:GeologicalSociety Special Publication,2004.
[11]王兴志,陈科贵,黄继祥,等.四川盆地震旦系储集层次生储集空间内化学充填物研究,石油勘探与开发[J].2001(4):41-47.
[12]向芳,陈洪德,张锦泉.资阳地区震旦系古岩溶作用及其特征讨论[J].沉积学报,2001(3):421-425.
[13]郑荣才,胡忠贵,冯青平,等.川东北地区长兴组白云岩储层的成因研究[J].矿物岩石,2007(4):79-84.
[14]崔会英,张莉,魏国齐,等.四川盆地威远-资阳地区震旦系储层沥青特征及意义[J].石油实验地质,2008(5):489-493.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心