川北阆中-南部地区大安寨段油气富集带预测
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摘要
通过对川北阆中-南部地区大安寨段储层特征、储层形成的主控因素分析,认为有利的沉积微相是大安寨段储层形成的基础,建设性成岩作用形成的孔、洞、缝是储层形成的关键,即介屑滩提供优越的储渗岩相基础,再叠加成岩破裂、构造破裂以及多期次的重结晶、溶蚀作用,形成孔洞缝储层,该储层在地震资料上表现为强反射响应特征,再结合三维地震资料对裂缝进行预测,从而预测出大安寨段有效储层发育带(油气富集带)。
Through reservoir characteristics analysis and controlling factor analysis of reservoir forming of Da'anzhai section in Langzhong-south area of north Sichuan,favorable sedimentary microfacies are considered to be the basis of reservoirs.The pores,fractures and caves formed by constructive diagenesis are considered to be the key reservoir forming factor,which is to say,the bio-fragmental beaches provide favorable permeable reservoirs.Through superposition of diagenesis fracturing and structural fracturing and multi-phases recrystallization and dissolution,the pore-fracture-cave developed reservoirs are formed.Strong reflection response characteristics have been displayed on seismic data. In combination with seismic data,the research on predicted hydrocarbon enrichment zone of Da'anzhai section in Langzhong-south area of north Sichuan has been carried out,which can provide guidance for next exploration and development.
Through reservoir characteristics analysis and controlling factor analysis of reservoir forming of Da'anzhai section in Langzhong-south area of north Sichuan,favorable sedimentary microfacies are considered to be the basis of reservoirs.The pores,fractures and caves formed by constructive diagenesis are considered to be the key reservoir forming factor,which is to say,the bio-fragmental beaches provide favorable permeable reservoirs.Through superposition of diagenesis fracturing and structural fracturing and multi-phases recrystallization and dissolution,the pore-fracture-cave developed reservoirs are formed.Strong reflection response characteristics have been displayed on seismic data. In combination with seismic data,the research on predicted hydrocarbon enrichment zone of Da'anzhai section in Langzhong-south area of north Sichuan has been carried out,which can provide guidance for next exploration and development.
引文
[1]黄开伟,王兴志,张帆,等.川中小潼场地区大安寨段储层特征研究[J].重庆科技学院学报(自然科学版),2010,(5):17-21,44.
[2]罗艳杨,季春海,贾志伟,等.八角场大安寨油气藏储层评价[J].石油地质与工程,2012,26 (4):33-36.
[3]李勇,鲍志东,张贵生,等.川北阆中-南部地区长兴组储层特征[J].中国地质,2011,(3):74-81.
[4]秦启荣,刘胜,苏培东.塔中Ⅰ号断裂带O2+3灰岩储层裂缝特征[J].石油与天然气地质,2002,(2):79-81,98.
[5]王时林,秦启荣,苏培东,等.川北阆中-南部地区大安寨段裂缝预测[J].岩性油气藏,2011,(5):73-76.
[6]赵辉,司马立强,颜其彬,等.川中大安寨段裂缝评价及储层产能预测方法[J].测井技术,2008,(3):85-88.
[2]罗艳杨,季春海,贾志伟,等.八角场大安寨油气藏储层评价[J].石油地质与工程,2012,26 (4):33-36.
[3]李勇,鲍志东,张贵生,等.川北阆中-南部地区长兴组储层特征[J].中国地质,2011,(3):74-81.
[4]秦启荣,刘胜,苏培东.塔中Ⅰ号断裂带O2+3灰岩储层裂缝特征[J].石油与天然气地质,2002,(2):79-81,98.
[5]王时林,秦启荣,苏培东,等.川北阆中-南部地区大安寨段裂缝预测[J].岩性油气藏,2011,(5):73-76.
[6]赵辉,司马立强,颜其彬,等.川中大安寨段裂缝评价及储层产能预测方法[J].测井技术,2008,(3):85-88.
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