黄骅坳陷孔南地区孔店组孔三段原型盆地边界恢复
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摘要
黄骅坳陷孔南地区的主干断裂(沧东断裂和徐黑断裂)对孔店期沉积盆地的形成和演化具有控制作用,孔店期残留盆地的总体面貌与原型盆地有巨大差异,残留盆地明显缩小。孔南地区孔店期湖盆为受后期构造运动改造的"后生盆地",其边缘为构造抬升引起剥蚀形成的边缘。文中结合钻井、地震、测井等资料,并对应孔店期岩相古地理背景,确定了孔三段残留盆地的边界,应用碎屑重矿物稳定系数和泛克里金法(universal Kriging)对孔南地区孔店期古湖盆进行原型盆地边界恢复。
The main fractures in Kongnan Area of Huanghua Depression such as Cangdong Fracture and Xuhei Fracture have a controlling role for the formation and evolution of depositional basin.The residual basin at Kongdian stage is different from the original basin and is clearly diminished.The lake basin in southern Kongdian Area is the catagenesis basin reformed by tectonic movement at late stage and its edge is formed by tectonic rising and denudation.Combined with the data of well,seismic and logging,and corresponding the lithofacies palaeogeograph at Kongdian stage,this paper confirmed the boundary of residual basin of the third member of Kongdian Formation.Using the stability coefficient of heavy mineral and universal Kriging method,the boundary of original basin in southern Kongdian Area was recovered.
The main fractures in Kongnan Area of Huanghua Depression such as Cangdong Fracture and Xuhei Fracture have a controlling role for the formation and evolution of depositional basin.The residual basin at Kongdian stage is different from the original basin and is clearly diminished.The lake basin in southern Kongdian Area is the catagenesis basin reformed by tectonic movement at late stage and its edge is formed by tectonic rising and denudation.Combined with the data of well,seismic and logging,and corresponding the lithofacies palaeogeograph at Kongdian stage,this paper confirmed the boundary of residual basin of the third member of Kongdian Formation.Using the stability coefficient of heavy mineral and universal Kriging method,the boundary of original basin in southern Kongdian Area was recovered.
引文
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[3]薛友兵,尹兵祥,冷桂林,等.准噶尔盆地沙窝地高精度三维地震采集参数设计与论证[J].石油物探,2005,44(4):393-398.Xue Youbing,Yin Bingxiang,Leng Guilin,et al.Evaluation and designof high precision 3-D seismic survey in Shawodi Area,Junggar Basin[J].Geophysical Prospecting for Petroleum,2005,44(4):393-398.
[4]董立生,刘书会,刘跃华,等.地震属性分析技术的研究与应用[J].石油物探,2004,43(增刊1):17-21.Dong Lisheng,Liu Shuhui,Liu Yuehua,et al.Application and study ofseismic attributes analytic technique[J].Geophysical Prospecting forPetroleum,2004,43(Supp.1):17-21.
[5]任凤楼,柳忠泉,邱连贵,等.胶莱盆地莱阳期原型盆地恢复[J].沉积学报,2008,26(2):222-233.Ren Fenglou,Liu Zhongquan,Qiu Liangui,et al.The prototypecharacter of Jiaolai Basin in Cretaceous Laiyang Period[J].ActaSedimentologica Sinica,2008,26(2):222-233.
[6]彭清华,周江羽,揭异新.声波时差法对南堡凹陷东营组剥蚀量的恢复[J].断块油气田,2009,16(6):50-53.Peng Qinghua,Zhou Jiangyu,Jie Yixin.Erosion thickness restorationof Dongying Formation reservoir in Nanpu Depression by using intervaltransit time method[J].Fault-Block Oil&Gas Field,2009,16(6):50-53.
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