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鄂尔多斯盆地奥陶系马家沟组五段富铁白云石成因

鄂尔多斯盆地奥陶系马家沟组五段富铁白云石成因 2024-01-24

关键词:: 孔隙; 富铁白云岩; 马家沟组; 奥陶系; 鄂尔多斯盆地

鄂尔多斯盆地马家沟组五段白云岩,按照晶粒可分为两种类型:晶粒较细的M型微晶白云岩和晶粒相对较粗的F型粉细晶白云岩。这两类白云岩都具有较高的Fe含量,但Fe并不是均一分布的。在M型微晶白云岩中,基质白云石的铁含量为583×10-63 811×10-6,富铁白云石主要以膏溶铸模孔的孔隙充填物的形式存在,粗晶白云石充填...

作者:: 张军涛,何治亮,岳小娟,孙宜朴,金晓辉,陈霞
文件大小:: 895.4 KiB

Architecture and paleogeography of the Early Paleozoic carbonate systems in the east-central Tarim Basin (China): Constraints from seismic and well data

Architecture and paleogeograp... 2024-01-24

关键词:: Tarim basin; Carbonate platforms; Cambrian; Ordovician; Paleogeography; Sedimentary evolution; Seismic interpretation

The evolution of the Cambrian-Middle Ordovician carbonate systems in the east-central Tarim Basin, northwestern China, has been investigated using 2D seismic...

作者:: Yuan Huang,Tailiang Fan,Fabrizio Berra
文件大小:: 17.6 MiB

鄂尔多斯盆地南缘奥陶系平凉组微生物碳酸盐岩储层特征与演化过程

鄂尔多斯盆地南缘奥陶系平凉组微生物碳酸盐岩储层特征与演化过程 2024-01-24

关键词:: 放射纤维状方解石; 溶蚀作用; 微生物碳酸盐岩; 平凉组; 奥陶系; 鄂尔多斯盆地南缘

微生物碳酸盐岩储层作为一种重要的油气储层，蕴含大量油气资源。近期在鄂尔多斯盆地中东部马家沟组发现有工业气流，证实这类储层在鄂尔多斯盆地也具有十分广泛的勘探前景。在盆地南缘同样发现类似储层，通过岩石学和地球化学手段，研究了该区奥陶系平凉组微生物碳酸盐岩储层发育特征及演化过程。盆地南缘发育有较盆地内更大规模的微生物丘...

作者:: 张军涛,金晓辉,孙冬胜,杨佳奇,丁茜
文件大小:: 1.7 MiB

Multiphase flow in tight sandstone: An improved application for 3D intermingled fractal model

Multiphase flow in tight sand... 2024-01-24

关键词:: Tight sandstone; Fractal; Mineral component; Multiphase displacement

Multiphase displacement in tight sandstone is fundamental and critical for tight oil production. Micropores dominate the pore space in tight sandstone. Micro...

作者:: Caoxiong Li,Mian Lin,Lili Ji,Wenbin Jiang
文件大小:: 4.5 MiB

Identification and characteristic analysis of carbonate cap rock: A case study from the Lower-Middle Ordovician Yingshan Formation in Tahe oilfield, Tarim Basin, China

Identification and characteri... 2024-01-24

关键词:: Carbonate cap; rockRecognition patternsSealing; capacityYingshan Formation

Accurate description of heterogeneous distribution and complex sealing capacity of carbonate cap rock is essential for prospecting carbonate reservoirs. Base...

作者:: Jun Wu,Tailiang Fan,Zhiqian Gao,Yu Gu,Jiabei Wang,Yang Du,Chen Li,Shanshan Wang,Chenjia Zhang,Miaomiao Meng,Duan Wei,Hua Fan
文件大小:: 15.2 MiB

New understanding of overpressure responses and pore pressure prediction: Insights from the effect of clay mineral transformations on mudstone compaction.

New understanding of overpres... 2024-01-24

关键词:: Clay mineral transformations; Chemical compaction; Normal compaction trend; Loading-unloading curves; Overpressure identification; Pressure prediction

Chemical compaction dominated by clay mineral transformations, commonly develops in deeply buried mudstones, and prominently affects the petrophysical proper...

作者:: Li Chao,Luo Xiaorong,Zhang likuan,Fan Caiwei,Xu changgui,Liu Aiqun,Li Hu,Li jun,Lei yuhong
文件大小:: 10.2 MiB

Rapid multiscale pore network modeling for drainage in tight sandstone

Rapid multiscale pore network... 2024-01-24

关键词:: Multiscale pore network modeling; Rapid; Two-phase flow; Tight sandstone

Tight sandstone possesses multiscale pores. Capturing and modeling the important pore properties into a pore network for drainage is challenging and computat...

作者:: Zhipeng Xu,Mian Lin,Wenbin Jiang,Lili Ji,Gaohui Cao
文件大小:: 30.8 MiB

Mortar dynamic coupled model for calculating interface gas exchange between organic and inorganic matters of shale

Mortar dynamic coupled model ... 2024-01-24

关键词:: Shale gas; Dynamic transport; Interface exchange; Mortar

Shale gas has revolutionized the world energy in recent years. In this work, a mortar dynamic coupled model (MDCM) is successfully built for simulating gas t...

作者:: Gaohui Cao,Wenbin Jiang,Mian Lin,Lili Ji,Zhipeng Xu,Siping Zheng,Fang Hao
文件大小:: 3.1 MiB

Enhanced effects of large-scale CO2 transportation on oil accumulation in oil-gas-bearing basins — Implications from supercritical CO2 extraction of source rocks and a typical case study

Enhanced effects of large-sca... 2024-01-24

关键词:: Basin fluids; Supercritical CO2 extraction; Oil migration; Fluid inclusion; CO2-Oil reservoir; Huangqiao; Subei basin

Large-scale mantle-derived CO2 emplacement and co-accumulation of CO2 and crude oil have been discovered in oil-gas bearing basins in eastern China and many ...

作者:: Dongya Zhu,Quanyou Liu,Qingqiang Meng,Zhijun Jin
文件大小:: 2.3 MiB

An Integrated Approach for Improved Permeability and Reservoir Quality Prediction in Multiporosity Systems， Tahe Ordovician Naturally Fractured Vuggy Carbonates

An Integrated Approach for Im... 2024-01-24

关键词:: 地质学; 石油天然气工业; Integrated Approach

Carbonates present complex pore systems that strongly influence the physical properties and their interrelationships. This study proposes a new approach to e...

作者:: Mahaman Salifou Issoufou Aboubacar,Zhang Heng*,Zhongxian Cai,Boukari Issoufou Ousmane,and Jie Li
文件大小:

Characteristics and evolution of the late Permian “source-to-sink” system of the Beisantai area in the eastern Junggar Basin, NW China

Characteristics and evolution... 2024-01-24

关键词:: “Source-to-sink” system; Sediment routing; Source area; Sediment discharge; Sedimentary evolution; Eastern Junggar Basin

Many studies have focused on the tectonic evolution and sedimentary processes of the Beisantai Uplift, NW China during the late Permian. However, the sedimen...

作者:: Qisong Xu,Jian Wang,et al
文件大小:: 2.0 MiB

走滑断裂分段叠置区物理模拟及构造差异性解析

走滑断裂分段叠置区物理模拟及构造差异性解析 2024-01-24

关键词:: 走滑断裂; 拉分叠置区; 挤压叠置区; 构造物理模拟; 顺托果勒低隆

走滑断裂分段叠置区通常包括拉分叠置区和挤压叠置区，其形成及演化与油气藏关系密切，其内部构造特征对油气运聚具有重要影响。塔里木盆地顺托果勒地区顺北1号断裂叠置区分段发育特征明显，油气勘探表明，拉分叠置区和挤压叠置区对油气运聚的控制能力有一定差异。在分析构造特征的基础上，对走滑断裂拉分叠置区和挤压叠置区开展了物理模拟...

作者:: 刘芋杰,吴孔友
文件大小:: 2.2 MiB

黄岛地区花岗岩风化壳的元素及磁化率特征

黄岛地区花岗岩风化壳的元素及磁化率特征 2024-01-24

关键词:: 花岗岩风化壳; 元素; 磁化率; 风化系数; 风化模式

为了深化对花岗岩风化过程和机理的认识，以青岛市黄岛区小黄山中生代风化壳剖面为例，分析其常、微量元素及磁化率值的纵向变化规律，探讨花岗岩风化壳的风化特征，建立花岗岩风化壳的风化模式。结果显示：小黄山花岗岩风化壳为硅铝黏土型风化壳，底部以物理破碎为主，顶部主要受化学风化、生物风化作用影响；自下而上Al、Fe、Si、R...

作者:: 胡君达,张立强,严一鸣
文件大小:: 4.3 MiB

Vitrinite maturation in confined pyrolysis experiments （限定体系热模拟实验揭示镜质体热成熟过程）

Vitrinite maturation in confi... 2024-01-24

关键词:: Coal; Vitrinite Maturation; Confined Pyrolysis Experiments

ABSTRACT: Laboratory simulation (pyrolysis) is an important approach for the study of petroleum formation and evolution. It is useful to determine the maturi...

作者:: Zeng Lifei
文件大小:: 4.4 MiB

深层海相碳酸盐岩储层非均质性研究进展

深层海相碳酸盐岩储层非均质性研究进展 2024-01-24

关键词:: 碳酸盐岩; 储层非均质性; 形成机制; 主控因素; 表征方法; 深层海相

近年来，中国在深层海相碳酸盐岩油气领域取得了丰硕的勘探开发成果，但随着部分深层油气藏逐渐进入开发中后期，强烈的储层非均质性对开发效果的影响逐渐显现，亟需对储层非均质性开展研究，以指导油气藏的调整挖潜。深层海相碳酸盐岩储层中孔、缝、洞等多重介质普遍发育，其形成演化受多期次、多种地质因素作用综合控制，具有耦合发...

作者:: 尚墨翰,赵向原,曾大乾,游瑜春
文件大小:: 11.3 MiB

塔里木盆地下侏罗统阿合组下砂砾岩段致密砂岩成岩相划分及测井识别——以库车坳陷依奇克里克地区为例

塔里木盆地下侏罗统阿合组下砂砾岩段致密砂岩成岩相划分及测井... 2024-01-24

关键词:: 致密砂岩; 库车坳陷; 阿合组; 成岩相; BP神经网络; 测井识别

塔里木盆地库车坳陷依奇克里克地区下侏罗统阿合组储层成岩作用复杂、非均质性强,具有低孔、低渗特征。利用岩心观察、普通薄片和铸体薄片鉴定、扫描电镜等多种地质资料,依据成岩作用及成岩矿物将目的层划分为5类成岩相:致密压实相、碳酸盐胶结相、不稳定组分溶蚀相、溶蚀微裂缝相和微裂缝相。通过交会图处理常规测井资料,发现不同的成...

作者:: 李明强,张立强,李政宏,张亮,毛礼鑫,徐小童
文件大小:: 9.7 MiB

Pore Type,Pore Structure,and Controlling Factors in the Late Triassic Lacustrine Yanchang Shale,Ordos Basin,China

Pore Type,Pore Structure,and ... 2024-01-24

关键词:: pore type; pore structure; controlling factors; Yanchang Shale; Ordos Basin

Organic-rich lacustrine shales in the Upper Triassic Yanchang Formation with thermal maturity mainly in the oil window are the main shale oil and shale gas s...

作者:: Cheng Ming,Lei yuhong,Zhang Likuan
文件大小:: 19.1 MiB

Permeability Prediction of Carbonate Rocks Based on Digital Image Analysis and Rock Typing Using Random Forest Algorithm

Permeability Prediction of Ca... 2024-01-24

关键词:: Permeability Prediction; Carbonate; Rocks

The diversity and multiscale characteristics of pore types in carbonate rocks usually result in extremely complex permeability-porosity relationships.

作者:: Zhang ZhaoCai,Zhong xian
文件大小:

Geochemistry of source rocks and oil-source rock correlation in the Hetaoyuan Formation of the Nanyang Sag,Nanxiang Basin,eastern China

Geochemistry of source rocks ... 2024-01-24

关键词:: biomarkers; Hetaoyuan Formation; Nanxiang Basin; Nanyang Sag; oil–source rock correlation; source rocks

The Nanyang Sag in the Nanxiang Basin, eastern China, has a large petroleum resource, although the genetic potential of source rocks and oil–rock correlation...

作者:: Zhongnan Wang,Guangdi Liu,Ping Gao,Wan Chen,Yuran Yang,Yuhong Lei,Likuan Zhang,Chao qianZhang,Daoqing Yang
文件大小:: 4.0 MiB

A new gas content evaluation method for organic-rich shale based on fractionation of carbon isotopes of methane

A new gas content evaluation ... 2024-01-24

关键词:: gas content; shale; fractionation; carbon isotopes

Gas content is a key parameter for the determination of the gas resources in unconventional reservoirs. In this study, we propose a novel method to evaluate ...

作者:: Gaohui Cao,Huanxu Zhang,Wenbin Jiang,Sheng wu,Di Zhu,Mian Lin
文件大小:: 2.9 MiB