数据汇交资源 - National Cryosphere Desert Data Center

塔里木盆地寒武系中统—上统不整合面识别特征及地质意义——以肖尔布拉克剖面为例

塔里木盆地寒武系中统—上统不整合面识别特征及地质意义——以... 2024-01-24

Keywords:: 不整合面; 碳酸盐岩; 寒武系; 地球化学测试; 肖尔布拉克剖面; 塔里木盆地

采用野外露头观察,薄片分析,主、微量元素测试及碳氧同位素测试等方法,结合层序地层学理论,以塔里木盆地柯坪地区肖尔布拉克剖面为例,分析寒武系中统—上统T81不整合面识别特征及地质意义。结果表明:在露头上,T81界面表现为岩相转换面,界面上发育中厚层状藻砂屑白云岩,界面下可见溶塌角砾,岩性为泥晶灰岩—中厚层白云岩—含...

Author:: 张宸嘉,樊太亮,高志前,卫端,吴俊
文件大小:: 16.7 MiB

A Three-Dimensional Geological Structure Modeling Framework and Its Application in Machine Learning

A Three-Dimensional Geologica... 2024-01-24

Keywords:: three-dimensional modeling; Machine learning sets; U-shaped convolutional network; Seismic interpretation

Three-dimensional geological structure analysis is fundamental to geoscientific research. With the application of artificial intelligence in geological struc...

Author:: Wang Shenghou,Cai Zhongxian,Si Xu,Cui Yatong
文件大小:: 12.6 MiB

Geochemical Characteristics and Process of Hydrocarbon Generation Evolution of the Lucaogou Formation Shale,Jimsar Depression, Junggar Basin

Geochemical Characteristics a... 2024-01-24

Keywords:: Junggar Basin; Jimsar Depression; shale oil; thermal simulation; source rock evaluation; hydrocarbon generation evolution

Lacustrine shale, represented by the Middle Permian Lucaogou Formation in the Jimsar Depression in the eastern Junggar Basin, has become one of the main area...

Author:: Wenjun He,Yin Liu,et al
文件大小:: 11.2 MiB

Identifying the comprehensive pore structure characteristics of a rock from 3D images

Identifying the comprehensive... 2024-01-24

Keywords:: Pore structure characterization; Geometric parameters; Topological parameters; X-ray CT image; Pore throat identification

Characterization of pore structure in reservoirs plays a significant role in predicting properties of rocks and classifying the reservoirs. The focus is on d...

Author:: Zhipeng Xu,Mian Lin,Wenbin Jiang,Gaohui Cao,Zhixing Yi
文件大小:: 10.1 MiB

Impact of pore structure and fractal characteristics on the sealing capacity of Ordovician carbonate cap rock in the Tarim Basin, China

Impact of pore structure and ... 2024-01-24

Keywords:: Carbonate; structure; characteristics

Evaluating the heterogeneity and sealing capacity of carbonate cap rocks is of great significance for hydrocarbon production. However, the main controls on p...

Author:: Jun Wu,Tailiang Fan,Enrique Gomez-Rivas,Zhiqian Gao,Shuqing Yao,Wenhuan Li,Chenjia Zhang,Qingqing Sun,Yu Gu,Man Xiang
文件大小:

A statistical-coupled model for organic-rich shale gas transport

A statistical-coupled model f... 2024-01-24

Keywords:: Shale gas; Multiscale; Permeability; 3D coupled model; oREV

Computation of shale permeability is challenging owing to the complicated physics of gas flow and the smallscale heterogeneity in nanometer pores. In this st...

Author:: Gaohui Cao,Mian Lin,Wenbin Jiang,Wenlong Zhao,Lili Ji,Caoxiong Li,Da Lei
文件大小:: 9.4 MiB

Diagenetic facies characteristics and quantitative prediction via wireline logs based on machine learning: A case of Lianggaoshan tight sandstone, fuling area, Southeastern Sichuan Basin, Southwest China

Diagenetic facies characteris... 2024-01-24

Keywords:: tight sandstone; diagenetic facies; logging curves; machine learning; Lianggaoshan Formation

Tight sandstone has low porosity and permeability, a complex pore structure, and strong heterogeneity due to strong diagenetic modifications. Limited interva...

Author:: Liqiang Zhang,Junjian Li,Wei Wang,Chenyin Li,Yujin Zhang,Shuai Jiang,Tong Jia,Yiming Yan
文件大小:: 6.4 MiB

Gas in place and its controlling factors of the shallow Longmaxi shale in the Xishui area, Guizhou, China （贵州习水地区浅层龙马溪页岩原地气量及其主控因素）

Gas in place and its controll... 2024-01-24

Keywords:: Longmaxi shaleShallowGIP contentConnate waterControlling factors

There have been few systematic studies on the potential of the shallow Longmaxi shale in Lower Silurian strata although it develops widely outside the Sichua...

Author:: Sun Jian
文件大小:: 2.5 MiB

大坡度地质露头高分辨率无人机影像采集方法与建模实践

大坡度地质露头高分辨率无人机影像采集方法与建模实践 2024-01-24

Keywords:: 大坡度露头消费级无人机倾斜摄影测量高分辨率毫米精度

野外地质露头的观察、研究能够最直接、最有效地获取地下地层信息,为地质科学研究提供最直观、最真实的一手地质资料.然而传统的露头研究,尤其针对大坡度、人员无法到达区域的露头研究,主要依赖坡底部考察、测量和拍照等方式记录露头信息,难以精细、准确地表征整个地质体.消费级无人机具有机动性好、适应性强和成本低等优势,且能够近...

Author:: 盛辉,段政明,刘善伟,曾喆,冯建伟
文件大小:: 4.8 MiB

A core-scale reconstructing method for shale

A core-scale reconstructing m... 2024-01-24

Keywords:: shale; core scale; reconstruction

Characterization of shale cores with low and anisotropic permeability is complicated, due to the presence of multiscale pore structure and thin layers, and d...

Author:: Lili Ji,Mian Lin,Gaohui Cao,Wenbin Jiang
文件大小:: 2.7 MiB

鄂尔多斯盆地北部地区马家沟组岩溶储层的差异性和发育模式

鄂尔多斯盆地北部地区马家沟组岩溶储层的差异性和发育模式 2024-01-24

Keywords:: 岩溶模式; 蒸发盐矿物; 碳酸盐岩; 岩溶储层; 马家沟组; 奥陶系; 鄂尔多斯盆地

鄂尔多斯盆地北部地区奥陶系马家沟组普遍发育岩溶型储层,但其岩溶发育模式明显不同于经典的传统岩溶模式。通过矿物学、岩石学和地球化学分析,共识别出3类具有成因联系且受含膏地层影响的储层,并建立了研究区马家沟组含蒸发盐矿物层系的岩溶模式。结果显示,含膏白云岩-膏模孔型储层形成于萨布哈白云岩化作用,富含蒸发盐矿物,沉积环...

Author:: 张军涛,金晓辉,谷宁,卞昌蓉,杨佳奇,何治亮
文件大小:: 1.1 MiB

不同种类微生物对碳酸盐岩溶蚀普遍性

不同种类微生物对碳酸盐岩溶蚀普遍性 2024-01-24

Keywords:: 表生岩溶; 碳酸盐岩; 微生物; 溶蚀速率

表生溶蚀作用是碳酸盐岩储层形成的重要因素。从岩石表面中筛选3种典型微生物,芽孢杆菌Q1、链霉菌Q2和曲霉菌Q3。通过比较不同种类微生物的产酸、溶蚀速率以及在多孔介质中溶蚀的动态模拟实验,研究了微生物对碳酸盐岩的表生溶蚀作用的普遍性。结果表明,各实验体系中pH、钙离子浓度均发生了有规律的变化,其中曲霉菌Q3的产酸能...

Author:: 齐义彬,丁茜,朱东亚,何治亮
文件大小:: 323.2 KiB

川西北中二叠统超深层白云岩储层孔隙结构及控制因素

川西北中二叠统超深层白云岩储层孔隙结构及控制因素 2024-01-24

Keywords:: 孔隙结构; 白云化作用; 溶蚀作用; 超深层储层; 中二叠统; 四川盆地

四川盆地西北部龙门山山前中二叠统白云岩储层埋藏深度大,经历了漫长的埋藏期成岩演化,现今仍有丰富的储集空间保存,并发现了孔隙式白云岩气藏,但白云岩储层质量的非均质性较强,不同类型的白云岩储层中储集空间的形成和保持机理还有待更深入的研究。结合物性测试、压汞实验和CT扫描,白云岩储层中可识别出3种孔喉结构类型,其中Ⅰ类...

Author:: 杨天博,何治亮,金振奎,张军涛,李双建
文件大小:: 24.6 MiB

基于地层沉积反演的深时海平面变化曲线恢复方法

基于地层沉积反演的深时海平面变化曲线恢复方法 2024-01-24

Keywords:: 地层沉积反演; 天文旋回; 傅里叶变换; 沉积正演模拟; 全球海平面变化

目前常用的海平面曲线恢复方法主要是基于地层沉积的旋回性分析和同位素测量，受地层不完整性的影响较大，海平面变化恢复不够合理。本文基于全球海平面变化旋回与天文旋回、沉积旋回在时间周期上具有较好的多级旋回对应特征，提出了采用傅里叶变换多级正弦分解函数化海平面变化曲线，然后通过地层沉积反演求取函数化的全球海平面变化...

Author:: 沈禄银,潘仁芳,段太忠,刘彦锋,李蒙,廉培庆,黄渊,张德民
文件大小:: 6.0 MiB

Characterization of the deeply buried microporous limestone: Case study from the Shunnan area, Tarim Basin, NW China

Characterization of the deepl... 2024-01-24

Keywords:: deeply-buried; microcrystal; microporous limestone; petrophysical characteristics

Reservoir characteristics and genetic mechanisms of the deeply buried microporous limestones have been determined by integrating mercury injection capillary ...

Author:: Duan Wei,Zhiqian Gao,Chi Zhang,Tailiang Fan,Jyun-Syung Tsau
文件大小:: 7.2 MiB

Diagenetic Heterogeneity of Deep Sandstones and Its Relationship to Oil Emplacement: A Case Study from the Middle Jurassic Toutunhe Formation in the Fukang Sag,Central Junggar Basin (NW China).

Diagenetic Heterogeneity of D... 2024-01-24

Keywords:: Diagenesis; Oil charge; Heterogeneity; Sandstone reservoirs; Deep petroleum

The Middle Jurassic Toutunhe Formation at depths of approximately 4000–6000 m has increasingly come into focus as a current deep reservoir target in the cent...

Author:: Binfeng Cao,Xiaorong Luo,Likuan Zhang,et al.
文件大小:: 26.5 MiB

高温高压条件下碳酸盐岩溶蚀过程控制因素

高温高压条件下碳酸盐岩溶蚀过程控制因素 2024-01-24

Keywords:: 白云岩; 硫酸根; 溶解-沉淀; 表面络合物; 深层-超深层; 碳酸盐岩储层

近年来的油气勘探实践表明深层-超深层碳酸盐岩具有良好的勘探潜力,地层深部碳酸盐岩储层溶解-沉淀过程是制约深层-超深层碳酸盐岩优质储层预测的关键科学问题,对于该过程的研究有助于深入了解油气储集空间孔隙发育机理。通过开展溶蚀-沉淀模拟实验,利用岩相学和地球化学相结合的分析手段查明常温常压到高温高压条件下(200℃70...

Author:: 丁茜,何治亮,沃玉进,张军涛,范明,岳小娟
文件大小:: 1.1 MiB

Late Carboniferous seismic and volcanic record in the northwestern margin of the Junggar Basin: Implication for the tectonic setting of the West Junggar

Late Carboniferous seismic an... 2024-01-24

Keywords:: West Junggar; Junggar Basin; Ridge subduction; Geochemistry

The northwestern margin of the Junggar Basin is a transition zone between the Zaire-Hala'alate mountains and the Junggar Basin in West Junggar, which develop...

Author:: Yin Liu,Xi Wang,et al
文件大小:: 30.8 MiB

库车坳陷依奇克里克地区下侏罗统阿合组致密砂岩储层的成岩差异性研究

库车坳陷依奇克里克地区下侏罗统阿合组致密砂岩储层的成岩差异性研究 2024-01-24

Keywords:: 致密砂岩; 成岩演化; 成岩差异性; 侏罗系阿合组; 依奇克里克地区; 库车坳陷

塔里木盆地库车坳陷依奇克里克地区深层致密砂岩储层的非均质性强,成岩-成藏过程复杂。根据岩心观察、薄片鉴定、流体包裹体、荧光特征及碳氧同位素等分析,对下侏罗统阿合组致密砂岩的岩石类型、成岩演化及其差异性特征进行了研究。研究表明,阿合组致密砂岩分为强钙质胶结砂岩(C类)、富刚性颗粒岩屑砂岩(A类)、含塑性颗粒岩屑砂岩...

Author:: 张立强,严一鸣,罗晓容,王振彪,张海祖
文件大小:: 1.0 MiB

A hybrid method for reconstruction of three-Dimensional heterogeneous porous media from two-dimensional images

A hybrid method for reconstru... 2024-01-24

Keywords:: Heterogeneous porous media; Reconstruction; The hybrid method; Tight sandstones; Pore-size distribution

The heterogeneous pore space of porous media strongly affects the storage and migration of oil and gas in the reservoir. To accurately reproduce complex pore...

Author:: Lili Ji,Mian Lin,Wenbin Jiang,Gaohui Cao
文件大小:: 6.7 MiB