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2.10 2.d International Conference on Modeling, Simulation,and Visualization Methods(WMSVM 2.10)

作者： jinliang zhang,shasha li,{2.,ouc qingdao,china college of resources science & Technology beijing normal university,bnu beijing,china

Early Qingshankou formation,basin dropped sharply,and the syncline structure started to *** area was under the control of tensile and torsion stress,and on the basis of the early fracture of basal plane,a series of fractures formed which showed an en echelon arrangement on horizontal and did not extended far,and local structures were mainly fault *** geologic reservoir fine description and reservoir engineering approaches are combined to study the structure characteristic,the sedimentary facies and the distribution of the remaining oil [1].Research of the modeling techniques for geological faults in 3D is extremely important for the theoretical significance and practical value [2..To establish 3D visualization of geological structure model in this area using 3D geological modeling software,this paper analyses the material of 188 wells in the hei71-56 area including seismic data,well logs,drilling data,individual layer data and so on.

关键词： Structural modeling Daqingzijing Oil Field Qingshankou Formation

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Recovery of the Erosion Thickness and Characterization of the Paleogeomorphology in the Southern lishui Sag, East china Sea Shelf Basin

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Journal of ocean university of {2. 2020年第2期19卷 320-330页

作者： li Na zhang {2. SHEN Wenlong liU Yang liU Huaishan wang jinkai XIE Jun Faculty of Geographical science Beijing Normal UniversityBeijing 100875China CNOOC china Ltd. Shanghai 200335China School of Earth sciences China University of GeosciencesWuhan 430074China college of marine {2. Ocean University of ChinaQingdao 266100China college of Geological science and Engineering Shandong University of Science and TechnologyQingdao 266590China

The restoration of the denudation thickness is the basis for quantitatively analyzing the basin burial history,thermal evolution history and hydrocarbon accumulation *** well data is not sufficient to do this in the southern lishui Sag with only 5 wells,so the new,high-quality three-dimensional(3D)seismic data is *** methods employed to determine the eroded thicknesses of key unconformities in the study area are the mudstone acoustic time difference(AC)method,vitrinite reflectance(Ro%)method and stratigraphic trend comparison *** the basis of the structural evolution,the restoration of the paleogeomorphology is carried *** results show that the Wenzhou formation(E2.w)in the entire study area has been all *** denudation thickness is in the range of 0–550 m,and decreases gradually from west,thicker than 2.0 m,to *** erosion of the upper lingfeng formation(E1l)are mainly occurred in the N-P-1 structural trap(N-P-1),the N-P-2.structural trap(N-P-2.and the N-P-3 structural trap(N-P-3).Among them,the eroded area in N-P-1(near well S-1)and N-P-2.is 2.0–2.0 km^2.and the denudation thickness is 0–600 m,which increases from south to north,even up to 2.0–400 m in the region around well *** N-P-3,the extent of denudation is 30–50 km^2.and the denudation thickness is 0–400 *** the early stage of the upper E1 l,one north-south strike slip fault began to develop in the southern study *** by this fault,the southern lingfeng bulge was offset,forming a gorge,and the eastern and western sides of the concave belt connected to each *** the basis of the paleo-geomorphological characteristics,it is shown that the sedimentary center of the west subsag began to migrate to the south.

关键词： Oil and gas denudation thickness paleogeomorphology stratigraphic trend lishui Sag

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Diagenesis and Diagenetic Evolution of Deltaic and Neritic Gas-Bearing Sandstones in the Lower Mingyuefeng Formation of Paleogene, lishui Sag, East china Sea Shelf Basin: Implications for Depositional Environments and Sequence Stratigraphy Controls

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Acta Geologica Sinica(English Edition) 2015年第5期89卷 1625-1635页

作者： XU Fa zhang Penghui zhang {2. liU Jinshui HOU Guowei zhang Ming li Jingzhe liU shasha GUO Jiaqi MENG Ningning Shanghai Branch of CNOOC Ltd. qingdao Institute of marine Geology college of resources {2. & Technology Beijing Normal University college of marine {2. Ocean University of China

Gas-bearing deposits in the Lower Mingyuefeng Formation of Paleogene, lishui Sag, East china Sea Shelf Basin consist of shoreface sandstones of the highstand systems tract（HST） and transgressive systems tract（TST）, and deltaic sandstones of the lowstand systems tract（LST） and falling stage systems tract（FSST）.Detailed petrographic observations suggest that the diagenetic features and related evolution of these deposits cannot be simply characterized and demonstrated in the depth ***, the occurrence of diagenetic minerals systematically depends on the studied interval within the HST, TST, LST, and FSST; therefore, diagenesis in this region can be better constrained when studied in the context of the depositional environments and sequence stratigraphic *** eogenetic processes in such settings include：（1） microcrystalline siderite precipitated as concretions in almost all environments and systems tracts, which inhibited further mechanical compaction;（2. grain dissolution and kaolinitization occurred in shoreface HST sandstones and deltaic LST and FSST sandstones;（3） glaucony was locally observed, which did not clearly reflect the controls of facies or sequence stratigraphy; and（4） cementation by pyrite aggregates occurred in the shoreface HST sandstones and deltaic LST *** mesogenetic diagenesis includes：（1） partial conversion of kaolinite into dickite in deltaic LST sandstones, and minor chlorite cementation in deltaic FSST sandstones;（2. transformation of kaolinite into illite and quartz cementation in deltaic LST and FSST sandstones;（3） frequent precipitation of ankerite and ferroan calcite in shoreface TST sandstones and early HST sandstones, forming baffles and barriers for fluid flow, with common calcite in shoreface HST sandstones as a late diagenetic cement; and（4） formation of dawsonite in the deltaic LST and FSST sandstones, which is interpreted to be a product of the invasion of a CO2.rich fluid, and acts as a good indicator o

关键词： diagenetic alteration depositional environment sequence stratigraphy reservoir quality Paleogene East china Sea Shelf Basin

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基于沉积实验的重力流沉积体系砂体分布特征分析

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沉积学报 2019年第1期37卷 86-93页

作者：李存磊左晓春王玲玲陈盼盼张金亮刘建美高鹏辽宁石油化工大学石油天然气工程学院辽宁抚顺113001 中国地质大学海洋学院北京100083 北京师范大学资源学院北京100875

重力流沉积体系砂体展布规律极为复杂,通过重力流流体实验,确定了重力流沉积不同岩相的成因及展布规律,并在此基础上,通过岩芯观察及测井、录井资料分析,在滨南油田古近纪沙三下亚段进行重力流砂体展布规律研究,研究结果表明:1)塑性流... 详细信息

重力流沉积体系砂体展布规律极为复杂,通过重力流流体实验,确定了重力流沉积不同岩相的成因及展布规律,并在此基础上,通过岩芯观察及测井、录井资料分析,在滨南油田古近纪沙三下亚段进行重力流砂体展布规律研究,研究结果表明:1)塑性流体在运动过程中被稀释,导致颗粒支撑机制发生复杂的变化,从而出现多种流态的流体,因此塑性流体被稀释到一定程度后会转换为液态流体; 2.重力流沉积层序的垂向演化及横向变化是流体性质演化的结果,即地质记录中的复杂重力流层序为流体性质转换后再沉积的结果; 3)重力流垂向层序与沉积模式的有机结合是进行砂体展布预测的关键。在该模式的指导下,明确了滨南油田沙三下亚段岩相的空间展布和变化规律。

关键词：滨南油田沉积实验流体性质转换沉积层序

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