过盖层断裂的垂向封闭性预测方法及其在冀中坳陷中的应用
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摘要
为了研究含油气盆地断裂发育区油气纵向分布规律,在不同方向运移油气过盖层断裂的垂向封闭机制研究的基础上,通过比较泥岩盖层断接厚度与其油源断裂或输导断裂在泥岩盖层内分段生长连接所需的最大断接厚度的相对大小,建立了一套不同方向运移油气过盖层断裂垂向封闭性的预测方法,并将其分别应用于渤海湾盆地冀中凹陷留楚地区东二、三段垂向运移油气过东一、二段泥岩盖层断裂垂向封闭性和文安斜坡沙二段侧向运移油气过沙一段底部泥岩盖层断裂垂向封闭性的预测中,结果表明:留楚地区东二、三段垂向运移油气过东一、二段泥岩盖层断裂垂向不封闭区主要分布在北部留楚背斜核部局部地区和西南广大地区,其余地区为过盖层断裂垂向封闭区。文安斜坡沙二段侧向运移油气过沙一段底部泥岩盖层断裂垂向不封闭区主要分布在东部和中部地区,其余地区为过盖层断裂垂向封闭区。与目前留楚地区东一段、馆陶组和文安斜坡区沙一段已发现油气分布相吻合,表明该方法用于预测不同方向运移油气过盖层断裂的垂向封闭性是可行的。
Objectives: In order to study the vertical distribution of oil and gas in fracture development area of petroliferous basin.Methods: on the basis of the study of vertical sealing mechanism of the migration of oil and gas over fault in different directions,by comparing the relative thickness between the fault thickness of mudstone cap rock and the maximum fracture thickness required by the oil source fault or the fracture of the transporting fault in the mudstone cap formation,a set of prediction methods for vertical sealing of fractured hydrocarbon migration in different directions has been established. They are applied to vertical migration of oil and gas in the Ed2 and Ed3 section of Jizhong depression in Jizhong sag and vertical sealing of the fault of the mudstone in Ed1 and Ed2 of the Bohai formation and prediction of vertical sealing of bottom mudstone caprock fracture in Es2 of Shahejie Formation in Wen'an slope.Results: The results show that the vertical non closure area of the mudstone caprock in Liu Chu area is mainly distributed in the northern part of the hang anticline core area and the vast southwest area,while the remaining area is the vertical sealing area of the cover fault.The vertical non closed area of mudstone cap rock in Wen'an slope is mainly distributed in the eastern and central parts,while the remaining areas are covered by vertical faults.Conclusions: The oil and gas distribution has been found consistent with the first member of Shahejie formation,the Guantao formation and the 1 st member of Shahejie Formation in Wen'an slope area. It is proved that the method is feasible for predicting vertical sealing of faults in different directions of migration oil and gas caprock.
Objectives: In order to study the vertical distribution of oil and gas in fracture development area of petroliferous basin.Methods: on the basis of the study of vertical sealing mechanism of the migration of oil and gas over fault in different directions,by comparing the relative thickness between the fault thickness of mudstone cap rock and the maximum fracture thickness required by the oil source fault or the fracture of the transporting fault in the mudstone cap formation,a set of prediction methods for vertical sealing of fractured hydrocarbon migration in different directions has been established. They are applied to vertical migration of oil and gas in the Ed2 and Ed3 section of Jizhong depression in Jizhong sag and vertical sealing of the fault of the mudstone in Ed1 and Ed2 of the Bohai formation and prediction of vertical sealing of bottom mudstone caprock fracture in Es2 of Shahejie Formation in Wen'an slope.Results: The results show that the vertical non closure area of the mudstone caprock in Liu Chu area is mainly distributed in the northern part of the hang anticline core area and the vast southwest area,while the remaining area is the vertical sealing area of the cover fault.The vertical non closed area of mudstone cap rock in Wen'an slope is mainly distributed in the eastern and central parts,while the remaining areas are covered by vertical faults.Conclusions: The oil and gas distribution has been found consistent with the first member of Shahejie formation,the Guantao formation and the 1 st member of Shahejie Formation in Wen'an slope area. It is proved that the method is feasible for predicting vertical sealing of faults in different directions of migration oil and gas caprock.
引文
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付广,李玉喜,张云峰,聂会静.1997.断层垂向封闭油气性研究方法及其应用.天然气工业,17(6):31~34,5.
付广,王有功.2008.三肇凹陷青山口组源岩生成油向下“倒灌”运移层位及其研究意义.沉积学报,26(2):355~360.
付广,展铭望.2017a.油气沿断裂垂向与砂体侧向运移转换条件分析---以渤海湾盆地局部构造为例.中国矿业大学学报,46(2):336~344.
付广,张桓.2017b.油气倒灌运移形式分布区预测方法及其应用.地质论评,63(3):822~830.
付晓飞,徐萌,柳少波,卓勤功,孟令东.2016.塔里木盆地库车坳陷致密砂岩-膏泥岩储盖组合断裂带内部结构及与天然气成藏关系.地质学报,90(3):521~533.
胡慧婷,王龙,刘岩,秦培锐,付红军.2014.超压泥岩盖层中断层垂向封闭能力研究方法及其应用.石油与天然气地质,35(3):359~364.
梁浩,李新宁,马强,梁辉,罗权生,陈璇,白国娟,张琪,孟元林.2014.三塘湖盆地条湖组致密油地质特征及勘探潜力.石油勘探与开发,41(5):563~572.
刘安英,包丽.2009.徐家围子断陷断裂对盖层及天然气分布的影响.天然气工业,29(8):8~11,130.
刘震,夏鲁,王子嵩,张旺.2017.超压盆地油气垂向运移高度研究.地质学报,91(7):1634~1640.
吕延防,许辰璐,付广,刘乃瑜,崔守凯,庞磊.2014.南堡凹陷中浅层盖-断组合控油模式及有利含油层位预测.石油与天然气地质,35(1):86~97.
马剑,黄志龙,李华明,吴红烛,陈旋,文川江.2012.马朗凹陷断裂-烃源岩空间配置关系与石油垂向运移特征.沉积学报,30(6):1140~1148.
史集建,李丽丽,吕延防,杨军,李寿英.2013.致密砂岩气田盖层封闭能力综合评价---以四川盆地广安气田为例.石油与天然气地质,34(3):307~314.
史集建,吕延防,付广,李丽丽.2011.松辽盆地徐家围子断陷火山岩盖层封气能力综合定量评价.石油学报,32(3):424~431.
孙同文,吕延防,刘宗堡,付晓飞,付广.2011.大庆长垣以东地区扶余油层油气运移与富集.石油勘探与开发,38(6):700~707
孙同文,付广,吕延防,赵荣.2012.断裂输导流体的机制及输导形式探讨.地质论评,58(6):1081~1090.
孙永河,赵博,董月霞,郑晓凤,胡明.2013.南堡凹陷断裂对油气运聚成藏的控制作用.石油与天然气地质,34(4):540~549.
王超,付广,董英洁,杨德相,曹兰柱,胡欣蕾.2017.基于SGR算法的断层侧向封闭性评价方法改进及其应用.地质学报,91(7):1641~1650.
吴桐,付晓飞,王海学,丁宇佳.2016.膏盐岩脆塑性变形特征及封闭能力定量评价.地质论评,62(1):127~137.
谢昭涵,罗静爽,刘中亮,魏志鹏,叶凡,王元兴.2015.松辽盆地徐家围子断陷的断裂复活演化特征及控藏作用.地质论评,61(6):1332~1346.
徐美娥,张荣强,彭勇民,陈霞,冯菊芳.2013.四川盆地东南部中下寒武统膏岩盖层分布特征及封盖有效性.石油与天然气地质,34(3):301~306.
薛永安,刘廷海,王应斌,张国良,韦忠花.2007.渤海海域天然气成藏主控因素与成藏模式.石油勘探与开发,34(5):521~528,533.
张水昌,张斌,杨海军,朱光有,苏劲,王晓梅.2012.塔里木盆地喜马拉雅晚期油气藏调整与改造.石油勘探与开发,39(6):668~680.
赵密福,刘泽容,信荃麟,蔡燕杰.2001.控制油气沿断层纵向运移的地质因素.石油大学学报(自然科学版),25(6):21~24,8.
Chu Meijuan,Li Shixiang,Liu Xianyang,Deng Xiuqin,Guo Zhengquan.2013&.8 of Yanchang Formation of petroleum accumulation mechanism and accumulation model of extended Erdos basin.Acta Sedimentologica Sinica,31(4):683~692.
Fu Guang,Li Yuxi,Zhang Yunfeng,Nie Huijing.1997&.Fault vertical oil-gas sealing method and application of.Natural Gas Industry,17(6):31~34,5.
Fu Guang,Wang Yougong.2008&.In Sanzhao depression Qingshankou group source rocks to generate oil migrates downward migration horizons and its research significance.Acta Sedimentologica Sinica,26(2):355~360.
Fu Guang,Zhan Mingwang.2017a&.Conversion condition analysis for vertical migration along faults and lateral migration along sandbodies of oil and gas:Taking the local structure of Bohai Bay basin as an example.Journal of China University of Mining&Technology,46(2):336~344.
Fu Guang,Zhang Huan.2017b&.Forecasting method and application of oil and gas flowing backward migration patterns in range of distribution.Geological Review,63(3):822~830
Fu Xiaofei,Xu Meng,Liu Shaobo,Zhuo Qingong,Meng Lingdong.2016&.Interior structure of fractures in the tight sandstone-gypsum mudstone(reservoir caprock combinations)in the Kuqa depression,Tarim Basin,and Its Significance in Gas Reservoir Accumulation.Acta Geologica Sinica,90(3):521~533.
Hu Huiting,Wang Long,Liu Yan,Qin Peirui,Fu.2014&.The overpressured mudstone caprock fault vertical sealing ability research method and application of.Oil and Gas Geology,35(3):359~364.
Liang Hao,Li Xinning,Ma Qiang,Liang Hui,Luo Quansheng,Chen Xuan,Bai Guojuan,Zhang Qi,Meng Yuanlin.2014&.Three Tiaohu formation tight oil geological characteristics and exploration potential of.Petroleum Exploration and Development,41(5):563~572.
Liu Anying,Bao Li.2009&.Xujiaweizi fault on the cover layer and the influence of the distribution of natural gas.Natural Gas Industry,29(8):8~11,130.
LüYanfang,Xu Chenlu,Fu Guang,Liu Naiyu,Cui Shoukai,Pang Lei.2014&.In the shallow cover fault combination control mode and oilbearing stratum prediction.Oil and Gas Geology in Nanpu Sag,35(1):86~97.
Liu Zhen,Xia Lu,Wang Zisong,Zhang Wang.2017.Study on vertica migration height of hydrocarbon in overpressure basin.Acta Geologica Sinica,91(7):1634~1640.
Ma Jian and Huang Zhilong,Fred,Wu Hongzhu,Chen Xuan,the Chuanjiang River.2012&.Malang sag,fault---hydrocarbon source rocks in space allocation relation and oil vertical to the migration characteristics.Acta Sedimentologica Sinica,30(6):1140~1148.
Shi Jijian,Li Lili,LüYanfang,Yang Jun,Li Shouying.2013&.Comprehensive evaluation of the caprock of gas tight sandstone gas field in Sichuan Basin---a case study of Guang'an.Oil and Gas Geology,34(3):307~314.
Shi Jijian,LüYanfang,Fu Guang,Li Lili.2011&.In Xujiaweizi faul depression volcanic caprock sealing gas ability of comprehensive quantitative evaluation.Petrolei Sinica,32(3):424~431.
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