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Fluorescence lifetime evolution of crude oils during thermal cracking: Implications from pyrolysis experiments in a closed system (原油热解过程中荧光寿命的演化模式：基于封闭体系下原油热解实验的启示)

Fluorescence lifetime evoluti... 2024-01-24

关键词:: Crude; oilFluorescence; lifetime evolution; Pyrolysis; experimentOil cracking

In this study, pyrolysis experiments were performed on two crude oils with different origins in a closed system, and the pyrolyzed oils were then analyzed ...

作者:: Cheng Peng
文件大小:: 4.4 MiB

Isothermal confined pyrolysis on source rock and kertogens in the presence and absence of water implication in isotopic rollover in shale gases （烃源岩和干酪根在含水和无水条件下的封闭体系热模拟实验揭示页岩气同位素倒转机理）

Isothermal confined pyrolysis... 2024-01-24

关键词:: pyrolysis rock and kerogens

Isotopic rollover refers to that δ13C value of a gas component decreases with maturity. Its occurrence is closely related to high productivity of shale gas. ...

作者:: Hao Xu
文件大小:: 2.4 MiB

Modeling Three-Dimensional Anisotropic Structures of Reservoir Lithofacies Using Two-Dimensional Digital Outcrops

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

关键词:: multiple-point geostatistics; training image; parametric sensitivity analysis; simulation sequence; reservoir lithofacies anisotropic structures model; Qingshuihe formation; Junggar Basin

Reservoir heterogeneity is a key geological problem that restricts oil and gas exploration and development of clastic rocks from the early to late stages. Ex...

作者:: Yiming Yan,Zhang L,Luo X
文件大小:: 18.6 MiB

沉积盆地“源-汇”系统研究进展

沉积盆地“源-汇”系统研究进展 2024-01-24

关键词:: “源－汇”系统; 物源供给; 物源信号; 搬运过程; 沉积响应

“源-汇”系统指盆地中自剥蚀地貌中形成的剥蚀产物,搬运到沉积区或汇水盆地中最终沉积下来的过程。在当前沉积学领域中“源-汇”系统占有重要一席。通过系统梳理国内外文献,评述“源-汇”系统各要素及其耦合作用研究进展,认为源区是控制系统动态过程根本要素,搬运-沉积过程是物源供给不同级次的响应。源区古地理演化下物理和化学风...

作者:: 操应长,徐琦松
文件大小:: 1.8 MiB

Geochemical constraints on the nature of Late Archean basaltic-andesitic magmatism in the North China Craton

Geochemical constraints on th... 2024-01-24

关键词:: Late Archean; Greenstone belt; Mafic magmatism; Oceanic subduction; Basalt geochemistry

The North China Craton (NCC) is distinguished from the majority of Archean cratons in the world by its extensive records of late Neoarchean (2.6–2.5 Ga) mafi...

作者:: Xi Wang,Wen-Bin Zhu,et al
文件大小:: 87.0 MiB

How TOC affects Rock-Eval pyrolysis and hydrocarbon generation kinetics: an example of Yanchang Shale (T3y) from Ordos Basin, China

How TOC affects Rock-Eval pyr... 2024-01-24

关键词:: TOC; s Rock-Eval pyrolysis; hydrocarbon generation kinetics

Rock-Eval pyrolysis and kinetics are widely used to evaluate hydrocarbon generations. Due to heterogeneity of shale, even a series of samples come from the ...

作者:: Yu Sun
文件大小:: 1.9 MiB

Formation of pyrobitumen from different types of crude oils and its significance: Insight from elemental composition analysis

Formation of pyrobitumen from... 2024-01-24

关键词:: Pyrobitumen Crude oil Elemental composition

Pyrobitumen, considered a carbon-rich solid product of oil thermal cracking, widely exists in oil/gas source rocks and reservoirs. The importance of the pol...

作者:: Liangliang Wu
文件大小:: 4.2 MiB

Coordinated Variation of Contact Angles During Mobilization of Double Liquid–Gas Interfaces in a Microcapillary

Coordinated Variation of Cont... 2024-01-24

关键词:: Bubble/blob mobilization; Microscale capillary; Double interfaces; Contact angle hysteresis

Effectively mobilizing displacement and predicting mobilization pressure in a porous-type reservoir filled with bubbles or blobs require the knowledge of var...

作者:: Da Lei,Mian Lin,Yun Li,Wenbin Jiang
文件大小:: 5.7 MiB

Impact of chlorites on the wettability of tight oil sandstone reservoirs in the Upper Triassic Yanchang Formation,Ordos Basin,China

Impact of chlorites on the we... 2024-01-24

关键词:: Wettability; Chlorite; Pore scale; Core scale; Yanchang Formation; Ordos Basin

Wettability is an essential property of reservoirs that is of great importance for enhancing oil recovery (EOR) and oil migration. The wettability of reservo...

作者:: Zhongnan Wang,Xiaorong Luo,Keyu Liu,Yuchen Fan,Xiangzeng Wang
文件大小:: 43.6 MiB

塔里木盆地石灰窑露头区寒武系碳酸盐岩断控岩溶储层的形成机制及指示意义

塔里木盆地石灰窑露头区寒武系碳酸盐岩断控岩溶储层的形成机制及指示意义 2024-01-24

关键词:: 塔里木盆地; 寒武系; 碳酸盐岩; 岩溶储层; 断裂

塔里木盆地柯坪断隆石灰窑露头区寒武系碳酸盐岩地层出露齐全,野外观测到的古岩溶现象丰富,可与井下寒武系深埋碳酸盐岩储层进行类比。以研究剖面的碳酸盐岩岩溶储层野外露头为对象,通过实地考察与取样,结合显微观察及稳定同位素和稀土元素等地球化学分析测试方法进行研究。结果表明:石灰窑地区发育的岩溶储层具有明显与断裂相关的特点...

作者:: 王健,庞宇晗
文件大小:: 5.1 MiB

The probability of oil and water movement in tight sandstone: Evaluation methodology and mechanism analysis

The probability of oil and wa... 2024-01-24

关键词:: Tight oil; Tight sandstone; Fractals; Mineral components

The mechanisms of oil and water movement in tight sandstone are complicated. Many factors, like pore structure, mineral component, liquid behavior and enviro...

作者:: Caoxiong Li,Mian Lin,Jing Liu,Chenggang Xian,Lili Ji,Wenbin Jiang
文件大小:: 3.5 MiB

Gas generation from coal and coal-measure mudstone source rocks of the Xujiahe Formation in the Western Sichuan Depression, Sichuan Basin (四川盆地川西坳陷须家河组煤和煤系泥岩生气特征)

Gas generation from coal and ... 2024-01-24

关键词:: gas generation; coal-measure mudstone; source rock of xujiahe formation

The Triassic and Jurassic tight sandstone gas in the western Sichuan depression, Sichuan Basin has attracted much attention in recent years, and the Upper Tr...

作者:: Zijin Wu
文件大小:: 1.2 MiB

Organic-Inorganic Geochemical Characteristics of the Upper Permian Pusige Formation in a High-Saline Lake Basin, Tarim Basin: Implications for Provenance, Paleoenvironments, and Organic Matter Enrichment

Organic-Inorganic Geochemical... 2024-01-24

关键词:

The third member (M3) of the Upper Permian Pusige Formation is a prominent organic-rich lacustrine mudstone sequence within the Yecheng-Hetian Sag, Tarim Bas...

作者:: Jingbin Wang,Zhiliang He,Dongya Zhu,Zhiqian Gao,Xiaowei Huangband Quanyou Liu
文件大小:: 3.0 MiB

Phase characteristics of hydrocarbons generated from different types of kerogen at different maturity levels in closed system

Phase characteristics of hydr... 2024-01-24

关键词:: hydrocarbons; maturity levels; closed system

For studying phase characteristics of hydrocarbons generated from different types of kerogen at different maturity levels, pyrolysis data of MM type-I and II...

作者:: Chengsheng Chen
文件大小:: 982.0 KiB

A two-angle model of dynamic wetting in microscale capillaries under low capillary numbers with experiments

A two-angle model of dynamic ... 2024-01-24

关键词:: Dynamic contact angle; Liquid-gas displacement; Microscale capillary; Wetting; Two-angle model; Contact angle hysteresis

Objectives: An accurate model of the dynamic contact angle θd is critical for the calculation of capillary force in applications like enhanced oil recovery, ...

作者:: Da Lei,Mian Lin,Yun Li,Wenbin Jiang
文件大小:: 1.3 MiB

富有机质样品Re-Os同位素定年实验方法

富有机质样品Re-Os同位素定年实验方法 2024-01-24

关键词:: Re-Os同位素定年; 样品筛选; 化学前处理; 流程空白控制; 参考标样; 含油气系统

近年来,铼—锇(Re-Os)同位素体系在确定含油气系统烃源岩沉积年龄、烃类生成、运移、后期调整改造年龄(古油藏热裂解、硫酸盐热化学还原反应等)以及油源示踪方面取得了一系列成果。

作者:: 武鲁亚,金之钧,储著银,刘可禹
文件大小:: 1.6 MiB

鄂尔多斯盆地深层寒武系碳酸盐岩储层特征与主控因素

鄂尔多斯盆地深层寒武系碳酸盐岩储层特征与主控因素 2024-01-24

关键词:: 主控因素; 勘探方向; 储层特征; 深层碳酸盐岩; 寒武系; 鄂尔多斯盆地

寒武系是鄂尔多斯盆地重要的油气勘探潜力层系。基于最新钻井、野外露头、地震资料和镜下薄片鉴定,识别出其主要发育相控型和构造强改造型两大类储层,进而细分出8类储集体,其中表生岩溶储集体和高能云化鲕粒滩是鄂尔多斯盆地寒武系的主要储集体。寒武系碳酸盐岩储集体的储集空间类型丰富,孔、洞、缝均发育,不同储集体类型的储集空间类...

作者:: 张春林,姚泾利,李程善,邢凤存,范立勇,莫午零,朱秋影,曾旭
文件大小:: 2.8 MiB

塔里木盆地跃参地区YJ1X奥陶系超深油藏演化历史

塔里木盆地跃参地区YJ1X奥陶系超深油藏演化历史 2024-01-24

关键词:: Fluid inclusions; homogenization temperature; melting temperature

作者:: 杨鹏,刘可禹,LI Zhen,MCINNES Brent Ian Alexander,刘建良
文件大小:

三维超声地震模型实时成像系统

三维超声地震模型实时成像系统 2024-01-24

关键词:: 地震模型; 三维超声; 实时成像

室内水槽实验是研究地质沉积过程及其演化规律的重要手段,高精度获取沉积过程中的地质体的变化是这类模拟实验非常关键的环节。文章介绍了新研制的三维超声地震模型实时成像系统的主要组成及关键技术。

作者:: 曹雪砷,高建磊,刘可禹,陈浩,王秀明
文件大小:: 1.7 MiB

四川盆地川中地区寒武系龙王庙组颗粒滩储层成因及其影响

四川盆地川中地区寒武系龙王庙组颗粒滩储层成因及其影响 2024-01-24

关键词:: 四川盆地高石梯—磨溪颗粒滩滩主体白云岩储层

以川中地区12口井龙王庙组岩心的详细观察为基础,结合地震和钻井资料,对该地区龙王庙组沉积古背景、滩相储层特征、颗粒滩旋回与组合进行了探讨,分析了大面积分布的滩相储层与油气高产富集的关系.研究区龙王庙组为缓坡沉积环境,沉积前发育川中高石梯—磨溪同沉积古隆起,控制川中地区发育大面积分布的颗粒滩;受海平面整体海退影响,...

作者:: 谢武仁,杨威,李熙喆,魏国齐,马石玉,文龙,郭振华
文件大小:: 35.9 MiB