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Activity of Silica-Rich Hydrothermal Fluid and Its Impact on Deep Dolomite Reservoirs in the Sichuan Basin, Southern China

Activity of Silica-Rich Hydro... 2024-01-24

关键词:: Dengying Formation dolomite; silica-rich hydrothermal fluid; quartz; rare earth element; Sichuan Basin

Well-developed dissolution pores occur in the dolomites of the Sinian Dengying Formation, which is an important oil and gas reservoir layer in the Sichuan Ba...

作者:: Dongya ZHU,Dianwei ZHANG,Quanyou LIU,Zhijun JIN,Zhiliang HE
文件大小:: 1.4 MiB

Diamondoid fractionation and implications for the Kekeya condensate field in the Southwestern Depression of the Tarim Basin, NW China (塔西南柯克亚气田凝析油藏金刚烷类化合物的分馏和应用)

Diamondoid fractionation and ... 2024-01-24

关键词:: Diamondoid fractionation Condensates; Multiple oil/gas; charging episodes Cap gas leakage Diamondoid concentration

Oil and condensate reservoirs frequently experienced later gas charging and cap gas leakage. The influences of these two processes on diamondoid conce...

作者:: Wenyu Huang
文件大小:

Discovery of Sinian source rocks in proterozoic in the Tarim Basin, NW China

Discovery of Sinian source ro... 2024-01-24

关键词:: Tarim basin; Kuruktag; Sinian source rocks; Hydrocarbon generation; Bitumen

As one of three cratonic basins in China, the Tarim Basin has the most abundant oil and gas resource, and its Precambrian petroleum system is a new region fo...

作者:: Wu NanWang,Jian Cai,Zhong xian Luo,Zhong Lu,Xue song Ma,Xing zhi Liu,Xian feng
文件大小:: 5.0 MiB

塔里木盆地顺南地区走滑断裂发育特征及演化

塔里木盆地顺南地区走滑断裂发育特征及演化 2024-01-24

关键词:: 走滑断裂; 构造演化; 花状构造; 三维地震解释; 塔里木盆地

顺南地区位于塔里木盆地塔中隆起北部.受多期构造应力影响,该地区以走滑断裂大量发育为典型特征.对三维地震资料的精细解释和深入分析结果表明,研究区走滑断裂具有垂向分层、平面分段、多期次构造叠加的特征.顺南地区主要发育北东、北东东和北西向3组走滑断裂.北东向断裂活动性强,平面上发育雁列式断层及马尾状构造,剖面上主要发育...

作者:: 孔永吉,吴孔友
文件大小:: 3.8 MiB

北天山后峡盆地地质特征及形成演化

北天山后峡盆地地质特征及形成演化 2024-01-24

关键词:: 地层特征构造特征沉积物源成因演化后峡盆地天山造山带

作为北天山造山带内的中生代小型山间盆地，后峡盆地的构造属性及成因演化反映了天山造山带的构造演化历史，是认识天山地区陆块拼合、盆山耦合的重要窗口。文中综合利用野外踏勘、地震解释、平衡剖面恢复等研究手段，对北天山后峡盆地地质特征及其成因演化进行了系统研究。结果表明：(1)天山是后峡盆地侏罗纪的重要物源区，该时期石炭系...

作者:: 梁则亮,姜颜良
文件大小:: 2.5 MiB

The relationship between oil generation, expulsion and retention of lacustrine shales: Based on pyrolysis simulation experiments (湖相页岩生成油、排出油和滞留油的相关性研究：基于热解模拟实验)

The relationship between oil ... 2024-01-24

关键词:: ShaleSimulation experimentKerogen; typeMaturityOil; generation and expulsionOil; retentionOil; expulsion efficiency

The oil expulsion efficiency of shales is restricted by quite a few geological and geochemical factors, resulting in a great challenge to be evaluated quanti...

作者:: Sun Jian
文件大小:: 11.0 MiB

深层碎屑岩储层有效性及其评价方法

深层碎屑岩储层有效性及其评价方法 2024-01-24

关键词:: 深层; 储层有效性; 非均质性; 储层地质模型; 评价方法

盆地深层碎屑岩储层非均质性特征显著、流体动力条件多变、油气水关系复杂，对储层有效性的认识、判断和评价十分困难。通过系统的深层碎屑岩储层沉积-成岩作用研究，认识了碎屑岩储层的多尺度结构性特征，发现对于任一沉积微相的碎屑岩储层都可划分为有限类岩石相，主要为泥岩、贫塑性颗粒砂岩、富塑性颗粒砂岩和强钙质胶结砂岩，其空间分...

作者:: 罗晓容,张立宽,张立强,刘乃贵,闫建钊,雷裕鸿,齐育楷,李俊,程明,严一鸣,曹斌风
文件大小:: 8.6 MiB

深层砂岩储层成岩作用差异性及与储层质量的关系——以准噶尔盆地中部征沙村地区侏罗系为例

深层砂岩储层成岩作用差异性及与储层质量的关系——以准噶尔盆... 2024-01-24

关键词:: 成岩作用; 岩石相; 差异成岩演化; 储层质量; 沉积微相

为认识深层碎屑岩储层质量的控制因素及有效储层分布规律,以准噶尔盆地中部征沙村地区下侏罗统三工河组砂岩储层为例,利用岩心样品的铸体薄片、扫描电镜、碳氧同位素、X-射线衍射及常规物性测试手段,研究了储层岩石学和成岩作用特征,讨论了成岩作用对不同类型储集岩石相的影响,并建立了岩石相—沉积微相的联系。结果表明:研究区三工...

作者:: 徐小童,张立宽,冶明泽,张立强,修金磊,曾治平,曹斌风,李超,雷裕红,程明,胡才志
文件大小:: 14.4 MiB

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