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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

Model of advancing and receding contact angles on rough surfaces

Model of advancing and recedi... 2024-01-24

关键词:: contact angle; rough surface; advancing; receding

Contact angle hysteresis is a basic phenomenon in many industrial applications, such as material surface engineering and enhanced oil recovery. The mechanism...

作者:: Da Lei,Yun Li,Mian Lin,Menggang Wen
文件大小:: 2.0 MiB

基于深度学习的沉积模拟代理模型构建与应用

基于深度学习的沉积模拟代理模型构建与应用 2024-01-24

关键词:: 生成对抗神经网络; 代理模型; 深度学习; 地层沉积过程正演模拟

地层沉积过程正演模拟方法比传统的基于地质统计学的建模能更真实地刻画地下地质体的分布规律，但是条件化难度大，使其应用在实际油藏地质建模时面临较大挑战。地层沉积反演模拟提高了该方法的实用性，基于模拟结果与观测数据定量比较，地层沉积反演模拟在全局优化算法的驱动下不断修正地层沉积正演模拟输入参数，使模拟结果与观测数...

作者:: 刘彦锋,段太忠,龚伟,廉培庆,张文彪,黄渊
文件大小:: 1.1 MiB

Small-Scale Diagenetic Heterogeneity Effects on Reservoir Quality of Deep Sandstones: A Case Study from the Lower Jurassic Ahe Formation,Eastern Kuqa Depression

Small-Scale Diagenetic Hetero... 2024-01-24

关键词:: Effective Properties; Lower Jurassic; Coarse Grained; Small Scale; Reservoir Quality; Thin Sections; Kuqa Depression; Porosity Evolution; Reservoir Rocks; Porosity And Permeability

The Lower Jurassic Ahe Formation is an important exploration target for deep clastic reservoirs in the eastern Kuqa Depression. The Ahe Formation sandstones ...

作者:: LiKuan Zhang,Xiaorong Luo,Mingze Ye,Baoshou Zhang,Hongxing Wei,Binfeng Cao,Xiaotong Xu,Zhida Liu,Yuhong Lei,Chao Li
文件大小:: 6.4 MiB

Characteristics, formation mechanism and evolution model of Ordovician carbonate fault-controlled reservoirs in the Shunnan area of the Shuntuogole lower uplift, Tarim Basin, China

Characteristics, formation me... 2024-01-24

关键词:: Reservoir petrophysical property; Diagenesis; Compaction; Carbonate cementation; Hydrocarbon accumulation; Dongying depression

The Ordovician carbonate fault-controlled reservoir in the Shunnan area is substantially different from the typical karst reservoir closely related to an unc...

作者:: Xintong Wang,Jian Wang,et al
文件大小:: 70.5 MiB

生烃伴生酸性流体对碳酸盐岩储层改造效应的模拟实验

生烃伴生酸性流体对碳酸盐岩储层改造效应的模拟实验 2024-01-24

关键词:: 有机酸性流体; 埋藏溶蚀; 深层-超深层; 碳酸盐岩; 奥陶系; 塔里木盆地

深层-超深层碳酸盐岩是目前油气勘探聚焦的重点领域,其储层的形成和保持机制是制约深层储层预测的关键科学问题。为了明确埋藏溶蚀作用下酸性流体对碳酸盐岩储层物性的影响,有必要开展烃源岩地层孔隙生烃模拟和溶蚀模拟实验(简称生烃及溶蚀模拟实验),定性定量厘清中、深层埋藏环境下烃源岩与碳酸盐岩储层演化过程。采用自主研发设计的...

作者:: 丁茜,何治亮,王静彬,朱东亚
文件大小:: 12.1 MiB

Structural Augmentation in Seismic Data for Fault Prediction

Structural Augmentation in Se... 2024-01-24

关键词:: fault detection; deep learning; training sets; data augmentation; geological structure

Fault interpretation tasks become more and more difficult as the complexity of seismic exploration increases, especially for ultra-deep seismic data. Recentl...

作者:: Shenghou Wang,Xu Si,Zhongxian Caiand Yatong Cui
文件大小:: 11.8 MiB

CH4、CO2与稀有气体溶解度的估算模型及其地质应用研究综述

CH4、CO2与稀有气体溶解度的估算模型及其地质应用研究综述 2024-01-24

关键词:: CH4与 CO2; 稀有气体; NaCl溶液; 亨利常数; 溶解度模型

CH4、CO2、稀有气体的溶解度模型在地球科学领域应用广泛。它们的溶解度模型在研究流体包裹体的均一化压力、古气温变化、天然气运移与聚集规律、富氦天然气成藏、储层中气—水体积比等方面发挥着重要作用。主要综述了纯水与 NaCl 水溶液中 CH4、CO2、稀有气体溶解度研究的新进展。重点介绍了精度高且适用性广的模...

作者:: 陈祥瑞
文件大小:: 1.5 MiB

Multiphase Calcite Cementation and Fluids Evolution of a Deeply Buried Carbonate Reservoir in the Upper Ordovician Lianglitag Formation, Tahe Oilfield, Tarim Basin, NW China

Multiphase Calcite Cementatio... 2024-01-24

关键词:: MultiphaseCalcite Cementation; Deeply Buried Carbonate Reservoir; Fluids Evolution; diagenetic fluids

Oil and gas have been found in the Upper Ordovician Lianglitag Formation carbonates in the Tahe Oilfield, Tarim Basin, NW China. This study documents the ori...

作者:: Jiaqing Liu,Zhong Li,Lijuan Cheng,and Jiawei Li
文件大小:: 9.4 MiB

Petroleum migration and accumulation: Modeling and applications

Petroleum migration and accum... 2024-01-24

关键词:

Subsurface hydrocarbon observations at any scale serve as critical clues to understand and reconstruct migration pathways and charge histories through geolog...

作者:: Luo X. R.,Zhang L. K.,Lei Y. H.,and Yang W.
文件大小:: 6.7 MiB

Numerical simulation of mechanical compaction and pore evolution of sandstone considering particle breakage

Numerical simulation of mecha... 2024-01-24

关键词:: sandstone reservoir; mechanical compaction; particle breakage; pore evolution; discrete element method

Mechanical compaction is an important diagenetic process in sandstone reservoirs. Particle breakage, which commonly occurs during mechanical compaction, play...

作者:: Tong Jia,Liqiang Zhang,Cai Chen,Zuotao Wang,Yiming Yan,Junjian Li
文件大小:: 8.7 MiB

The Ediacaran–Cambrian boundary in the Tarim Basin, NW China: Geological data anomalies and reservoir implication

The Ediacaran–Cambrian bounda... 2024-01-24

关键词:: Ediacaran–Cambrian boundary; UnconformityCarbon and oxygen isotopeNegative; excursionsGlobal comparability

In this study, unconformities (T90) formed during the succession from the Ediacaran to the Cambrian were identified based on five types of data, namely, fiel...

作者:: Yaxin Shang,Zhiqian Gao,Tailiang Fan,Duan Wei,Ziyi Wang,Grace Muzee Karubandika
文件大小:: 8.1 MiB

Predicting field production rates for waterflooding using a machine learning-based proxy model

Predicting field production r... 2024-01-24

关键词:: Machine learning; Conditional deep convolutional generativ; adversarial neural

Waterflooding, during which water is injected in the reservoir to increase pressure and therefore boost oil production, is extensively used as a secondary oi...

作者:: Zhi Zhong,Alexander Y. Sun,Yanyong Wang,Bo Ren
文件大小:: 6.6 MiB