数据汇交资源 - National Cryosphere Desert Data Center

Formation mechanism of thiadiamondoids: evidence from TSR simulation experiments with model compounds

Formation mechanism of thiadi... 2024-01-24

Keywords:: Diamondoids Thiadiamondoids Thermochemical sulfate reduction Simulation experiment

High concentrations of thiadiamondoids together with elevated H2S are indicative of the occurrence and extent of thermochemical sulfate reduction (TSR). How...

Author:: Anlai Ma
文件大小:: 10.2 MiB

四川盆地元坝长兴组礁滩相气藏概率体约束地质建模

四川盆地元坝长兴组礁滩相气藏概率体约束地质建模 2024-01-24

Keywords:: 储层构型; 概率体约束; 地质建模; 礁滩相; 长兴组; 元坝气田; 四川盆地

四川盆地元坝长兴组气藏礁滩相储层岩相类型多样,生物礁和生屑呈离散分布,储层及物性参数非均质性强,储层构型特殊,气水关系复杂,现有建模方法难以精细表征礁滩相内部储层非均质性,不能满足气藏开发生产需求。通过对礁滩相气藏地质、物探、测井及生产动态等多学科资料研究,提出以地质模式为指导,采用礁滩相储层构型、地质及地震概率...

Author:: 胡向阳,郑文波,游瑜春,刘国萍
文件大小:: 6.0 MiB

Tectonic-fluid evolution of an ultra-deep carbonate reservoir in the southern Halahatang Oilfield area, Tarim Basin, NW China

Tectonic-fluid evolution of a... 2024-01-24

Keywords:: Tectonic fluids; Deeply burial carbonate reservoir; Ordovician; Tarim basin; NW China

Several giant oilfileds have been discovered during recent exploration in the Ordovician carbonates in zone between the Awati and Manjiaer depressions, Tarim...

Author:: Jiaqing Liu,Zhong Li,Xu Wang,Lei Jiang,Yunxian Feng,Malcolm W. Wallace
文件大小:: 36.7 MiB

Experiment of Carbonate Dissolution: Implication for High Quality Carbonate Reservoir Formation in Deep and Ultradeep Basins

Experiment of Carbonate Disso... 2024-01-24

Keywords:: Carbonate; Dissolution; Deep and Ultradeep Basins

As the most frontiers in petroleum geology, the study of dissolution-based rock formation in deep carbonate reservoirs provides insight into pore development...

Author:: Zhiliang He,Qian Ding,Yujin Wo,Juntao Zhang,Ming Fan and Xiaojuan Yue
文件大小:: 2.2 MiB

Fractal characteristics of the pore structures of fine-grained, mixed sedimentary rocks from the Jimsar Sag, Junggar Basin: Implications for lacustrine tight oil accumulations

Fractal characteristics of th... 2024-01-24

Keywords:: Fractal dimension; Mixed sedimentary rock; Nanopore; Tight oil; Permian; Junggar Basin

The tight reservoir property and oil accumulation are greatly affected by the complexity and heterogeneity of pore structure. Fine-grained, mixed sedimentary...

Author:: Jian Wang,Yingchang Cao,et al
文件大小:: 11.1 MiB

Fractionation characteristics of magnesium isotope in the ancient weathering crust

Fractionation characteristics... 2024-01-24

Keywords:: Magnesium isotopeDolomitization mode; WeatheringAncient; weathering crustOrdos Basin

Weathering has always been a concerned around the world, as the first and most important step in the global cycle of elements, which leads to the fractionati...

Author:: Jia-Qi Yang,Jun-Tao Zhang,Zhi-Liang He,Ni-Na Luo,Xiao-Hui Jin,Tao Zhang,Ning Gu,Kang-Jun Huang,Jian Gao
文件大小:: 4.0 MiB

Orbitally-paced climate change in the early Cambrian and its implications for the history of the Solar System

Orbitally-paced climate chang... 2024-01-24

Keywords:: cyclostratigraphysedimentary; noiseEarth-Moon system; evolutionEarth-Mars secular resonancesea levelStage 2-Stage 3

The early Cambrian was a critical period of Earth history, marked by explosive diversification of metazoans and several profound changes in Earth's surface e...

Author:: Tan Zhang,Yifan Li,Tailiang Fan,Anne-Christine Da Silva,Juye Shi,Qi Gao,Mingzhi Kuang,Wangwei Liu,Zhiqian Gao,Mingsong Li
文件大小:: 6.0 MiB

The rock-fabric/petrophysical characteristics and classification of the micropores hosted between the calcite and dolomite crystals

The rock-fabric/petrophysical... 2024-01-24

Keywords:: Deep burialMicroporous; carbonate Petrophysical and textural properties; NMR-Based permeability

For the substantial hydrocarbon potential and academic significance, focus of interest has been directed towards the microporous carbonate. Compared with the...

Author:: Duan Wei,Zhiqian Gao,Tailiang Fan,Chi Zhang,Jyun-Syung Tsau
文件大小:: 4.2 MiB

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