数据汇交资源 - 国家冰川冻土沙漠科学数据中心

Simulation of ductile grain deformation and the porosity loss predicted model of sandstone during compaction based on grain packing texture

Simulation of ductile grain d... 2024-01-24

关键词:: Ductile grain content; Compaction; Grain deformation; Porosity; Simulation; Sandstone

The content of ductile grains and grain packing texture have great influence on the quality of sandstone, especially tight sandstone. A new simulation method...

作者:: Yiming Yan,Liqiang Zhang,Xiaorong Luo,Keyu Liu,Bin Yang,Tong Jia
文件大小:: 48.4 MiB

塔里木盆地塔中—顺北地区柯坪塔格组高分辨率旋回层序地层划分

塔里木盆地塔中—顺北地区柯坪塔格组高分辨率旋回层序地层划分 2024-01-24

关键词:: 塔里木盆地; 塔中—顺北地区; 柯坪塔格组; 高分辨率层序地层; 滤波分析

塔里木盆地塔中—顺北地区下志留统柯坪塔格组作为一套典型的海相碎屑岩沉积地层,砂泥叠置关系复杂,仅通过测井曲线形态的传统方法不利于高分辨率层序的精确划分。首先根据地震剖面与测井滤波处理曲线来识别不整合面及相关的整合面,得出长期基准面变化情况;其次用最大熵谱图与合成预测误差滤波划分中期基准面旋回边界;最后从动态最大熵...

作者:: 田双良,张立强,严一鸣
文件大小:: 9.7 MiB

New insights on the geometry and kinematics of the Shunbei 5 strike-slip fault in the central Tarim Basin, China

New insights on the geometry ... 2024-01-24

关键词:: Strike-slip faults; The central Tarim BasinGeometric; characteristicsKinematic evolutionReservoir formations

Integrated geological-geophysical methods have been used to depict the geometric characteristics and kinematic evolution of the Shunbei 5 (SB5) and adjacent ...

作者:: Qingqing Sun,Tailiang Fan,Zhiqian Gao,Jun Wu,Hehang Zhang,Qi Jiang,Nan Liu,Yaxuan Yuan
文件大小:: 78.0 MiB

Late gas generation potential for different types of shale source rocks: Implications from pyrolysis expertiments （不同类型页岩晚期生气潜力评价：来自热解实验的启示）

Late gas generation potential... 2024-01-24

关键词:: ShaleKerogenPyrolysis experimentExtractable organic matterGas generation potentialShale gasA B S T R A C TGas

Gas generation from shale source rocks typically occurs via cracking of both kerogen and retained oils, such that it is difficult to predict and compare gas ...

作者:: Gai Haifeng
文件大小:: 6.8 MiB

Overpressure generation by disequilibrium compaction or hydrocarbon generation in the Paleocene Shahejie Formation in the Chezhen Depression

Overpressure generation by di... 2024-01-24

关键词:: Overpressure mechanisms; Disequilibrium compaction; Hydrocarbon generation; Basin modeling; Overpressure transfer; Shahejie formation

Abundant oil resources associated with overpressure have been confirmed to be present in the Paleogene Shahejie Formation in the Chezhen Depression. Pore pre...

作者:: Chao Li,Likuan Zhang,Xiaorong Luo,Yuhong Lei,Lan Yu,Ming Cheng,Yongshi Wang,Zhonglu Wang
文件大小:: 25.3 MiB

Unraveling gas charging and leakage for oil reservoirs in the Mahu sag of the Junggar Basin, NW China using concentrations and ratios of biomarkers, light hydrocarbons and diamondoids (利用生标、轻烃和金刚烷参数揭示准噶尔盆地玛湖坳陷天然气充注与泄漏)

Unraveling gas charging and l... 2024-01-24

关键词:: Gas charging and leakage TerpanesSteranes; Heptane valuesIsoheptane; values; Diamondoid concentration Junggar Basin

It remains disputed why a large amount of oil but only a limited amount of gas has been discovered in the northwestern Junggar Basin of...

作者:: Hangxin Cai
文件大小:

Fault Sealing Evaluation of a Strike-slip Fault Based on Normal Stress: A Case Study from Eastern Junggar Basin, NW China

Fault Sealing Evaluation of a... 2024-01-24

关键词:: normal stress of fault plane; strike slip fault; sealing of faults; displacement pressure; numerical simulation of stress

The sealing of a fault zone has been a focus for geological studies in the past decades. The majority of previous studies have focused on the extensional reg...

作者:: Jie Ji,Kongyou Wu,et al
文件大小:: 12.7 MiB

Sedimentary-diagenetic characteristics and heterogeneity models of sandstone reservoirs: An example of Silurian Kalpintage Formation,Northwestern Tarim Basin,China

Sedimentary-diagenetic charac... 2024-01-24

关键词:: Sedimentary facies; Diagenesis; Heterogeneity; Coastal marine; Sandstone reservoirs; Kalpintage formation; Tarim basin

Tarim Basin contains long and continuous records of marine and terrestrial paleogeographic evolution in the northern hemisphere. The Silurian Kalpintage Form...

作者:: Zhang L.Q.,LI Z.X.,Luo X.R.
文件大小:: 17.3 MiB

北部湾盆地乌石凹陷东区断裂类型及其形成演化

北部湾盆地乌石凹陷东区断裂类型及其形成演化 2024-01-24

关键词:: 北部湾盆地; 乌石凹陷东区; 断裂系统; 形成演化规律; 成因机理

受多重构造作用影响,北部湾盆地乌石凹陷形成了复杂的内部构造,准确识别不同期次构造发育特征对于油气勘探具有重要意义。文中运用高精度三维地震、钻井等资料系统分析了乌石凹陷东区断裂类型、组合样式、形成演化规律及其动力学成因机制。分析结果表明:在太平洋板块、印度板块和欧亚板块间相互作用产生的伸展-走滑-弱挤压联合叠加区域...

作者:: 吴孔友,刘煜磊
文件大小:: 6.4 MiB

Calcite-cemented concretions in non-marine sandstones: An integrated study of outcrop sedimentology, petrography and clumped isotopes

Calcite-cemented concretions ... 2024-01-24

关键词:: Calcite concretions; clumped isotopes; non-marine sandstones; outcrop; sedimentology

Calcite-cemented concretions can reduce reservoir quality and form important low-permeability baffles for fluid flow in sandstone hydrocarbon carrier beds/re...

作者:: Binfeng Cao,Xiaorong Luo,Xu Wang,Liqiang Zhang,Hui Shi
文件大小:: 22.5 MiB

基于细胞自动机的断控岩溶过程数值模拟方法

基于细胞自动机的断控岩溶过程数值模拟方法 2024-01-24

关键词:: 断控岩溶; 细胞自动机; 断溶体; 溶蚀过程模拟

断溶体作为一种特殊的碳酸盐岩储集体类型,其形成过程尚缺乏一种定量的模拟方法。根据断溶体地质研究认识,断控岩溶以断裂破碎带为核心发生溶蚀扩大,其溶蚀程度的差异受断裂分布、裂缝密度、地层岩性差异、大气淡水或底部热液接触时间等综合因素影响。提出一种基于细胞自动机模拟断控岩溶过程的方法,以走滑断裂形成的裂缝网络为初始条件...

作者:: 刘彦锋,张文彪,段太忠,赵华伟
文件大小:: 7.9 MiB

川西彭州地区雷口坡组碳酸盐岩储层裂缝特征及主控因素

川西彭州地区雷口坡组碳酸盐岩储层裂缝特征及主控因素 2024-01-24

关键词:: 裂缝特征; 潮坪相; 碳酸盐岩; 雷口坡组; 彭州地区; 四川盆地

川西彭州地区雷口坡组碳酸盐岩储层中发育多类天然裂缝且主控因素复杂。利用地质、地球物理及分析测试等资料，阐明了天然裂缝的成因类型及发育特征，并对控制不同类型构造裂缝发育的各地质因素进行了分析。彭州地区雷口坡组储层主要发育构造裂缝，其次为成岩裂缝; 构造裂缝可分为高角度缝、斜交缝和低角度缝，各类裂缝具有各不相同的优势...

作者:: 赵向原,胡向阳,肖开华,贾跃玮
文件大小:: 6.7 MiB

断控岩溶体系空间结构差异性与三维建模——以顺北1号断裂带为例

断控岩溶体系空间结构差异性与三维建模——以顺北1号断裂带为例 2024-01-24

关键词:: 走滑断裂; 断溶体; 缝-洞储层; 地质建模; 顺北油田

断控岩溶体系空间结构差异性制约该类油藏高效开发。以顺北1号断裂带为例，综合地震构造解释、储层预测、钻井及生产特征信息，按照规模从大到小的层次关系ꎬ从断裂分段、断溶体分割、油气充注以及缝-洞连通性 4 个角度阐述了各层次差异的成因及特征，通过三维地质建模的方式再现了各层次差异体分布规律及相互关系，并讨论了下步攻...

作者:: 张文彪,段太忠,赵华伟,马琦琦,鲍典
文件大小:: 49.1 MiB

Incorporation of wet gases to kerogen in petroleum formation and evolution （油气生成与演化过程中湿气吸附）

Incorporation of wet gases to... 2024-01-24

关键词:: Dryness; ratioWet gas incorporation to kerogen Recycling; reaction mechanism

The formation mechanism for thermogenic gas remains unresolved. Disputes are focused on: (1) stability barrier for decomposition of oil to gas and wet gas ...

作者:: Shuang Yu
文件大小:: 8.3 MiB

Types of Fluid Alteration and Developing Mechanism of Deep Marine Carbonate Reservoirs

Types of Fluid Alteration and... 2024-01-24

关键词:: deep marine carbonate reservoirs; Calcite cement; burial-TSR-derived

Accurate recognition of the types of alteration fluid and the development mechanisms are important concerns in studying deep marine carbonate reservoirs. Maj...

作者:: Dongya Zhu,Quanyou Liu,Juntao Zhang Qian Ding Zhiliang He and Xuefeng Zhang
文件大小:: 12.9 MiB

Micro- and Nanoscale Pore Structure Characterization of Carbonates from the Xiaoerbulake Formation in the Tarim Basin, Northwest China

Micro- and Nanoscale Pore Str... 2024-01-24

关键词:: Micro- and Nanoscale; Pore; Structure

The evaluation of pore structure is an essential part in the assessment of carbonate reservoirs. The structures (geometry and connectivity) of nm to μm-scale...

作者:: J Wang,Q Hu,M Sun,Z Cai,C Zhang,T Zhang
文件大小:: 6.5 MiB

Machine Learning Method for TOC Prediction: Taking Wufeng and Longmaxi Shales in the Sichuan Basin,Southwest China as an Example

Machine Learning Method for T... 2024-01-24

关键词:

The total organic carbon content (TOC) is a core indicator for shale gas reservoir evaluations. Machine learning-based models can quickly and accurately pred...

作者:: Jia Rong,Zongyuan Zheng,Xiaorong Luo,Chao Li,Yuping Li,Xiangfeng Wei,Quanchao Wei,Guangchun Yu,Likuan Zhang,Yuhong Lei
文件大小:: 1.5 MiB

An improved method for reconstructing the digital core model of heterogeneous porous media

An improved method for recons... 2024-01-24

关键词:: Reconstruction; CCSIM-TSS; Multiple connectivity; Heterogeneous porous media

The heterogeneous pore space of porous media strongly affects the storage and migration of oil and gas in the reservoir. In this paper, the cross-correlation...

作者:: Lili Ji,Mian Lin,Wenbin Jiang,Chenjie Wu
文件大小:: 6.1 MiB

Early development and late preservation of porosity linked to presence of hydrocarbons in Precambrian microbialite gas reservoirs within the Sichuan Basin, southern China

Early development and late pr... 2024-01-24

关键词:: Porosity preservation; Thrombolite; Microbialite; Dengying formation; Sichuan Basin

The ancient Ediacaran Dengying Formation consists of microbialites with unusually high porosity that represent a large proportion of the Weiyuan-Anyue gas re...

作者:: Dongya Zhu,Quanyou Liu,Zhiliang He,Qian Ding,Jingbin Wang
文件大小:: 14.7 MiB

An inversion approach for analysing the physical properties of a seismic low-velocity layer in the upper mantle

An inversion approach for ana... 2024-01-24

关键词:: Shear waveLow-velocity layer; Partial meltingInverse; problemNon-uniqueness

In this article, we propose a new inversion scheme to calculate the melt volume fractions from observed seismic anomalies in a low-velocity layer (LVL) locat...

作者:: Jie Xiao
文件大小:: 4.3 MiB