数据汇交资源 - 国家冰川冻土沙漠科学数据中心

Making sense of pore systems and the diagenetic impacts in the Lower Triassic porous dolostones, northeast Sichuan Basin

Making sense of pore systems ... 2024-01-24

关键词:: Pore; Throat; Fractal; Diagenetic; Bitumen; Calcite cement

As the heterogeneity of pore systems, carbonate rocks commonly exhibit unpredictable porosity vs. permeability relationship and make the exploitation and pre...

作者:: Jie Li,Heng Zhang,Zhongxian Cai,Huayao Zou,Fang Hao,Guangwei Wang,Pingping Li,Ya Zhang,Junyi He,Wenli Fei
文件大小:: 16.1 MiB

New method of in situ high-resolution experiments and analysis of fracture networks formed by hydraulic fracturing

New method of in situ high-re... 2024-01-24

关键词:: Hydraulic fracturing; In situ; High-resolution; Tight sandstone; Fracture networks

Hydraulic fracturing plays a key role in the oil and gas development of unconventional tight reservoirs. Therefore, it is important to study the fracturing m...

作者:: Sipeng Zheng,Mian Lin,Wenbin Jiang,Xin Qiu,Zhuo Chen
文件大小:: 19.4 MiB

Origin and accumulation mechanisms of deep paleozoic oil and gas: A case study of the central Tarim basin, western China（深古生代油气的成因与聚集机制——以中国西部塔里木盆地中部为例）

Origin and accumulation mecha... 2024-01-24

关键词:: Petroleum accumulation; Deep strata; Molecular marker; Gypsum-salt rock; Petroleum exploration; Oil and gas reservoirs

Old strata and deep petroleum systems are becoming increasingly important. The Cambrian-Lower Ordovician petroleum reservoirs in the eastern Tazhong Uplift, ...

作者:: Mingpeng Li,Zhonghong Chen,Shiwei Yi,Shiguo Lin,Yang Gao,Fuxi Huang,Yuanqi She,Rongzhen Qiao
文件大小:: 21.2 MiB

基于相界面追踪实验方法的微米毛细管内两相驱替机理研究

基于相界面追踪实验方法的微米毛细管内两相驱替机理研究 2024-01-24

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作者:: 雷达
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团簇同位素在白云岩化流体恢复中的应用与局限性

团簇同位素在白云岩化流体恢复中的应用与局限性 2024-01-24

关键词:: 团簇同位素; 氧同位素; 重结晶作用; 白云岩; 白云岩化流体; 碳酸盐岩; 四川盆地

碳酸盐的团簇同位素(Δ47)可以直接确定矿物的形成温度,结合矿物的氧同位素,还可以根据传统的氧同位素温度计确定矿物生长的流体(水)的氧同位素(δ18O),提供了一种潜在的确定白云化流体的δ18O、分析白云岩化流体来源的新方法。受白云岩化之后的重结晶作用和高温固态重置作用的影响,白云岩的团簇同位素温度(T(Δ47)...

作者:: 李平平,王淳,邹华耀,余新亚
文件大小:: 7.3 MiB

Heterogeneous distribution and potential significance of solid bitumen in paleo-oil reservoirs: Evidence from oil cracking experiments and geological observations

Heterogeneous distribution an... 2024-01-24

关键词:: Oil cracking; Solid bitumen; Paleo-oil reservoirs; Paleo-porosity; Sichuan Basin

The solid bitumen (SB) residing in reservoirs after oil cracking can reduce reservoir quality. To build a quantitative standard for the SB content for paleo-...

作者:: Pingping Li,Ting Li,Huayao Zou,Gang Zhou,Liang Xu,Xinya Yu
文件大小:: 27.4 MiB

Sulfate Sources of Thermal Sulfate Reduction (TSR) in the Permian Changxing and Triassic Feixianguan Formations, Northeastern Sichuan Basin, China

Sulfate Sources of Thermal Su... 2024-01-24

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Thermal sulfate reduction (TSR) occurred throughout the Permian Changxing (P2c) and Triassic Feixianguan (T1f) dolostone reservoirs in the western and easter...

作者:: Pingping Li,Bisong Li,Jinbao Duan,Yizhen Zhao,Huayao Zou,Fang Hao
文件大小:: 6.4 MiB

Molecular markers of Neoproterozoic-Lower Paleozoic petroleum systems and their geological significance: A case study of the cratonic basins in western China（新元古代-下古生代油气系统的分子标志及其地质意义——以中国西部克拉通盆地为例）

Molecular markers of Neoprote... 2024-01-24

关键词:: Molecular markers; Ediacaran; Cambrian\; Solid bitumen; Extracts; Oils

In this article, we report the investigation of the Ediacaran and Lower Paleozoic petroleum systems using their molecular markers. The cratonic basins locate...

作者:: Moïse Luemba,Zhonghong Chen,Joseph Ntibahanana
文件大小:: 26.2 MiB

Light hydrocarbons and diamondoids in deep oil from Tabei of Tarim Basin: Implications on petroleum alteration and mixing （塔里木盆地塔北深层油中的轻烃和类金刚石：对石油蚀变和混合的影响）

Light hydrocarbons and diamon... 2024-01-24

关键词:: Deep oil; Light hydrocarbon; Diamondoid; Oil alteration; Oil mixing

The Tuofutai Bulge in central Tabei of northern Tarim Basin provides insights into the complex geochemical processes of deep oil accumulations.

作者:: Zhi Chai,Zhonghong Chen,Richard Patience,Zhigang Wen,Youjun Tang,Bin Cheng,Mingpeng Li,Moïse Luemba,Zepeng Wu
文件大小:: 21.1 MiB

超深层灰岩盖层的脆—韧性研究——以四川盆地元坝气藏为例

超深层灰岩盖层的脆—韧性研究——以四川盆地元坝气藏为例 2024-01-24

关键词:: 超深层; 灰岩; 盖层; 脆—韧性

中国含油气盆地超深层广泛发育灰岩，灰岩的主要矿物成分是方解石，其特殊的晶体结构决定了其在超深层具有很强的塑性和韧性。在小变形作用下，灰岩不容易发生断裂。灰岩尤其是泥灰岩，因其较低的孔隙度和渗透率也可以作为盖层。四川盆地元坝气藏埋深超过 6 500 m，储气规模大，其盖层和保存条件一直备受关注。下三叠统膏盐岩作...

作者:: 王信棚,陈书平,冯贵民,勾琪伟
文件大小:: 1.5 MiB

川东地区上二叠统龙潭组泥页岩基本特征及页岩气勘探潜力

川东地区上二叠统龙潭组泥页岩基本特征及页岩气勘探潜力 2024-01-24

关键词:: 页岩气; 龙潭组; 吴家坪组; 二叠系; 勘探潜力; 川东地区

四川盆地晚二叠世龙潭期沉积相类型多样,为落实不同沉积相带的页岩气勘探潜力,针对不同相带典型井开展了系统的页岩气形成条件分析,四川盆地晚二叠世龙潭期富有机质页岩主要发育在潮坪—潟湖相和陆棚相,其中潮坪—潟湖相泥页岩分布在资阳—永川—綦江一带,岩性组合复杂,泥岩、页岩、泥质碳酸盐岩不等厚互层,煤层全段均有发育,具有"...

作者:: 翟常博,邓模,曹清古,肖雄,何贵松,陈斐然,邱建华,刘栩,张长江
文件大小:: 3.8 MiB

Identification of Diagenetic Facies in Low-permeability Sandstone Reservoirs Based on Self-organizing Map Neural Network Algorithm

Identification of Diagenetic ... 2024-01-24

关键词:: shale gas; zhenbei area; machine learning; complex reservoir; chang-8 reservoir; dissolution pore; facies; Artificial Intelligence; Upstream Oil & Gas; petrophysical property

Quantitative identification of diagenetic facies is critical for favorable reservoir prediction. In this study, the diagenetic facies of the Chang-8 reservoi...

作者:: Yan Lu,Keyu Liu,and Ya Wang
文件大小:: 2.0 MiB

Investigation of the mechanism of secondary microcrack growth in rocks with native microdefects

Investigation of the mechanis... 2024-01-24

关键词:: Microdefects; Brazilian splitting experiment; Secondary microcrack (SMC); Growth mechanism; Discrete element method (DEM)

Exploring secondary microcracks (SMC) growth during hydraulic fracturing in rocks with native microdefects is a challenging task in unconventional oil and ga...

作者:: Sipeng Zheng,Mian Lin,Wenbin Jiang,Jing Zhao,Xin Qiu,Zhuo Chen
文件大小:: 49.3 MiB

The eogenetic karst of the Cambrian Longwangmiao Formation in the Yangtze Platform: Implications for the eustatic and stratigraphic correlations of Toyonian (Cambrian)

The eogenetic karst of the Ca... 2024-01-24

关键词:: carbon isotope; eogenetic karst; Longwangmiao Formation; stratigraphic correlation; YangtzePlatform

To make a better understanding of the stratigraphic correlation and ocean processes during the transition from Series 2 to Series 3 in the Cambrian, this stu...

作者:: Chaojin Lu,Zhen Liu,Haibo Jia,Haiqin Tian,Huayao Zou,Quanqi Dai,Bo Han
文件大小:: 7.1 MiB

鄂尔多斯盆地早古生代庆阳和乌审旗古隆起构造演化及其对寒武系岩相古地理的控制

鄂尔多斯盆地早古生代庆阳和乌审旗古隆起构造演化及其对寒武系岩相古地理的控制 2024-01-24

关键词:: 古隆起; 构造演化; 沉积填充; 岩相古地理; 寒武系; 鄂尔多斯盆地

鄂尔多斯盆地早古生代南、北两个古隆起的构造演化过程认识尚不明确，制约了油气勘探及盆地沉积充填演化过程的研究。基于最新钻井、野外剖面及地震资料，采用地震反射接触关系和滨岸相识别等手段，对庆阳古隆起和乌审旗古隆起进行约束与刻画，认为其总体经历了寒武纪的古隆起逐渐淹没阶段、寒武纪—奥陶纪的抬升剥蚀阶段、早奥陶世冶里组-...

作者:: 张春林,邢凤存,张月巧,姜福杰,徐旺林,张阿敏
文件大小:: 9.4 MiB

多孔介质孔隙结构及其比表面的新认识

多孔介质孔隙结构及其比表面的新认识 2024-01-24

关键词:: 多孔介质; 孔隙结构; bet; bjh; 扫描电镜

随着对以页岩为代表的微纳结构多孔介质研究的深入，对其孔隙结构的表征要求逐渐精细化、标准化、原理清晰化。以页岩为例，准确表征其内部的孔隙结构，是获取储层内部页岩气储存状态、流动特征及岩石力学性质的基本依据。页岩为代表的多孔介质其孔隙结构具有复杂的特性，微纳尺度的孔隙结构衍生出复杂形态的连通结构；低孔隙结构又使得岩石...

作者:: 杨明
文件大小:

Damage stratigraphy as a controlling mechanism of earthquakes distribution and fault patterns

Damage stratigraphy as a cont... 2024-01-24

关键词:: Damaged Stratigraphic Unit; Decollement zone; Fault patterns; Earthquakesdistribution; Geohazard.

Decollement zones are sub-horizontal weak zones in the earth's crust that strongly affect tectonic deformation. The weakness of a decollement zone is commonl...

作者:: Zonghu Liao,Lin Zhang,Huayao Zou,Fang Hao,Ze'ev Reches
文件大小:: 14.7 MiB

构造枢纽带的确定、类型划分及其油气意义

构造枢纽带的确定、类型划分及其油气意义 2024-01-24

关键词:: 叠合盆地; 跷跷板运动; 构造枢纽带; 范围含油气性; 石油地质

中国中西部发育大量的叠合盆地,中深层纵向上形成了隆起、凹陷、正向叠加(古隆起)、负向叠加(凹陷或洼陷)、跷跷板式等叠加样式.它们对于油气的富集与保存有着不同的作用.跷跷板式叠加作用是盆地边缘最为常见的叠加样式.分析表明,在盆地垂向调整、改造过程中构造枢纽带是必然产物,是调整范围的一部分,是新的构造圈闭区范围.向盆...

作者:: 云金表,金之钧,宁飞,刘士林,罗吉
文件大小:: 6.9 MiB

Influence of thermochemical sulfate reduction on oxygen isotopic composition of calcite cements in carbonates of the triassic feixianguan and Permian Changxing formations in the Sichuan Basin, China

Influence of thermochemical s... 2024-01-24

关键词:: calcite cement; diagenesis; oxygen-isotopic composition; thermochemical sulfatereduction; Sichuan Basin

Calcite cement is a common diagenetic mineral in carbonate rocks and plays an important role on rock quality as hydrocarbon reservoirs. Traditionally, oxygen...

作者:: Guangwei Wang,Fang Hao,Huayao Zou,Pingping Li
文件大小:: 4.5 MiB

基于Voronoi模型的脆性岩石微观结构数值模拟

基于Voronoi模型的脆性岩石微观结构数值模拟 2024-01-24

关键词:: 离散元方法; Voronoi 模型; 脆性岩石; 岩石微结构; 裂纹密度

基于离散元软件UDEC中的Voronoi模型,构建了致密岩石的标准压缩数值试件;应用FISH语言编译相关程序,监测不同脆性致密岩石的裂纹数量和密度在压缩过程中的变化特征。研究发现,随着岩石脆性指数的增加,岩石的起裂应力逐渐增加,而起裂点裂纹密度逐渐减小,高脆性岩石则是在较高的应力状态和较低的裂纹损伤状态下达到裂纹...

作者:: 邱鑫,林缅,郑思平,陈天宇
文件大小:: 5.9 MiB