数据汇交资源 - 国家冰川冻土沙漠科学数据中心

Comparison of the Ediacaran and Cambrian petroleum systems in the Tianjingshan and the Micangshan uplifts, northern Sichuan Basin, China

Comparison of the Ediacaran a... 2024-01-24

关键词:: Bitumen veins Oil seeps Oil-source correlation Bound biomarkers Trace elements

Several different types of petroleum occurrences (including solid bitumens, oil sands, and oil seeps) are observed in various strata (e.g., the Ediacaran, Ca...

作者:: Fang Xinyan
文件大小:: 48.1 MiB

Sedimentary environment constraints on the diagenetic evolution of clastic reservoirs: Examples from the Eocene “red-bed” and “gray-bed” in the Dongying Depression, China

Sedimentary environment const... 2024-01-24

关键词:: Diagenesis; Sedimentary environment; Red-bed sandstone; Gray-bed sandstone; Eocene; Dongying depression

The diagenetic characteristics and differences between the Eocene red-bed sandstone deposited in an arid environment and gray-bed sandstone deposited in a re...

作者:: Jian Wang,Yuhan Pang,et al
文件大小:: 30.4 MiB

深层-超深层碳酸盐岩储层理论技术进展与攻关方向

深层-超深层碳酸盐岩储层理论技术进展与攻关方向 2024-01-24

关键词:: 成因机理; 岩石物理模型; 地震预测; 精细地质建模; 地质过程模拟; 地质模式; 碳酸盐岩储层; 深层-超深层

中国碳酸盐岩油气勘探不断向深层和超深层推进,发现了越来越多的油气资源,成为世界超深层领域油气勘探开发最活跃的地区。围绕深层-超深层碳酸盐岩储集体成因机理、地质模式、地球物理预测和储层精细建模等方面,取得了重要进展。在深层优质碳酸盐岩储集体的成因研究上初步形成了一些共识:原始高能相带和早期白云岩化作用是优质储集体发...

作者:: 何治亮,马永生,朱东亚,段太忠,耿建华,张军涛,丁茜,钱一雄,沃玉进,高志前
文件大小:: 54.2 MiB

渤海湾盆地板桥凹陷沙二段滩坝沉积地层与砂体展布特征

渤海湾盆地板桥凹陷沙二段滩坝沉积地层与砂体展布特征 2024-01-24

关键词:: 滩坝; 层序地层; 砂体分布; 同沉积断层; 板桥凹陷; 沙河街组二段

随着我国含油气盆地相继进入勘探开发中后期, 勘探程度较低的滩坝储集层逐渐成为地质研究的热点。本文以板桥凹陷沙二段为例, 基于测井、地震、岩芯等资料, 利用高分辨率层序地层学原理, 对滩坝沉积地层和砂体展布特征进行研究。结果表明, 板桥凹陷沙二段地层为一个湖平面上升的三级层序, 并可划分为湖退—湖进—湖退三个中...

作者:: 商晓飞,董越,唐力,侯加根
文件大小:: 2.5 MiB

Orbitally forced glacio-eustatic origin of third-order sequences and parasequences in the Middle Permian Maokou Formation, South China

Orbitally forced glacio-eusta... 2024-01-24

关键词:: Sequence stratigraphy; Astronomical cycles; Sea level change

Astronomical forcing on the development of depositional sequences has been of particular interest to researchers in recent years.

作者:: Fuyun Cong,Fangbing Zhu,Zhongxian Cai,Haoru Chen,Jie Li,Yuxuan Wang,Liangjun Wang
文件大小:: 5.8 MiB

川西北地区中泥盆统腐泥型烃源岩晚期生气特征实验研究

川西北地区中泥盆统腐泥型烃源岩晚期生气特征实验研究 2024-01-24

关键词:: 干酪根裂解气; 甲烷碳同位素; 腐泥型烃源岩; 晚期生气; 深层天然气; 中泥盆统; 川西北地区

中国南方古生界烃源岩的原始干酪根类型以腐泥型-偏腐泥型（Ⅰ-Ⅱ型）为主，目前主体处于过成熟阶段（镜质体反射率Ro> 2. 0 %），准确评价Ⅰ-Ⅱ型干酪根在生-排油之后的生气潜力（或晚期生气）及生气特征对中国南方古生界深层-超深层天然气勘探至关重要。鉴于此，以川西北地区中泥盆统观雾山组样品（Ro≈1. 1 %）...

作者:: 田辉
文件大小:: 2.0 MiB

Nitrogen isotopes evidence for stratified ocean redox structure during the late Ediacaran to Cambrian Stage 3 in the Yangtze Block of South China. (华南晚埃迪卡拉至寒武纪第三阶时期古海洋氧化还原分层的氮同位素证据)

Nitrogen isotopes evidence fo... 2024-01-24

关键词:: Yangtze; Block Cambrian; explosion Oceanic; oxygenation Nitrogen cycle

The Ediacaran–Cambrian (E–C) transition witnessed profound biological and oceanic changes, among which the appearance of explosive radiation of skelet...

作者:: Wu yaowen
文件大小:: 23.7 MiB

塔里木盆地寒武系膏盐岩沉积特征与发育模式

塔里木盆地寒武系膏盐岩沉积特征与发育模式 2024-01-24

关键词:: 膏盐岩; 沉积特征; 发育成因; 寒武系; 塔里木盆地

塔里木盆地寒武系膏盐岩是塔里木盐下—盐间勘探领域的基本地质要素,也是典型海相蒸发岩沉积序列,但目前对这套蒸发岩的关注较少。通过野外勘测、最新二维地震解释、中央隆起16口探井资料综合分析,以"点—线—面"思路开展了膏盐岩沉积特征研究,编制了中—下寒武统盖层、膏盐岩层等厚图和阿瓦塔格组沉积相图,建立了中—下寒武统膏盐...

作者:: 樊奇,樊太亮,李清平,杜洋,张岩,苑雅轩
文件大小:: 15.6 MiB

Deep-seated faults and folds and their effects on hydrocarbon fluid migration and accumulation in the sedimentary basin: a case study from the northwestern Sichuan Basin of China

Deep-seated faults and folds ... 2024-01-24

关键词:: SHAN THRUST BELT; FORELAND BASIN; ACCRETIONARY WEDGES; STRUCTURAL STYLES; MECHANICS; KINEMATICS; EVOLUTION; GEOMETRY; INSIGHTS; SYSTEMS

Deep-seated faults and folds of foreland basin systems have become important exploration targets in the recent years because they are crucial in controlling ...

作者:: Xi Wang,Yin Liu,et al
文件大小:: 19.1 MiB

DEVELOPMENT CHARACTERISTICS AND FORMATION MECHANISM OF DEEP STRIKE-SLIP FAULTS IN CENTRAL SICHUAN BASIN BASED ON SEISMIC DATA INTERPRETATION

DEVELOPMENT CHARACTERISTICS A... 2024-01-24

关键词:: Deep strike-slip fault; flower-like structure; central Sichuan area; Sichuan Basin; tectonic evolution

The deep marine carbonate reservoir in the central part of the Sichuan Basin is a hot field for oil and gas exploration. Deep strike-slip faults were develop...

作者:: Shangzi Liang,Zhong Li
文件大小:: 2.4 MiB

川西中三叠统雷口坡组三段-四段白云岩特征与成因——来自于岩相学及地球化学的约束

川西中三叠统雷口坡组三段-四段白云岩特征与成因——来自于岩... 2024-01-24

关键词:: 白云岩类型; 岩相学; 地球化学; 白云岩化模式; 雷口坡组; 川西

白云岩化是影响储层发育是否的重要沉积-成岩过程。作者通过在对川西地区的中三叠统雷口坡组的雷三至雷四段的岩相学,碳、氧、锶、镁同位素以及元素地球化学等综合研究,划分出含膏的泥晶云岩AD0、泥晶云岩D0、泥粉晶云岩D1、粉细晶云岩D2、微生物云岩MD、含灰质藻云岩CD(交代结构)以及去云化的泥粉晶云岩(CD0CD1)...

作者:: 钱一雄,武恒志,周凌方,黄康俊,邓美洲,李勇,董少峰,王琼仙
文件大小:: 3.1 MiB

断陷盆地边界断裂结构特征及物性差异定量评价—以车镇凹陷埕南断裂为例

断陷盆地边界断裂结构特征及物性差异定量评价—以车镇凹陷埕南断裂为例 2024-01-24

关键词:: 断裂分段; 断裂带结构; 断裂带物性特征; 车西洼陷

利用地震、测井、岩心以及物性测试数据等资料,从断裂规模和断层生长连接分段性特征入手,分析了埕南断裂构造发育特征及分段性,精细划分了埕南断裂不同段的断裂带结构及差异性,对比了不同断裂带结构单元物性差异性.研究认为:(1)埕南断裂在车西洼陷内具有明显的分段性构造发育特征,可划分为北西向、北西西向、北东向和北东东向四个...

作者:: 杜彦男,吴孔友
文件大小:: 3.8 MiB

Geological?control?on?carbon?isotope?equilibrium?and?kinetic?fractionation?of?CH4-CO2-HCO3-2?in?microbial?coalbed?and?shale?gas?systems

Geological?control?on?carbon?... 2024-01-24

关键词:: Microbial gas Carbon isotope Equilibrium or kinetic fractionation CO2 dissolution CO2/CH4

Microbial coalbed gas (CBG) and shale gas (SG), predominately composed of methane (CH4) and carbon dioxide (CO2), are important economic resources and potent...

作者:: Xiangrui Chen
文件大小:: 9.2 MiB

Formation and evolution of nanopores in shales and its impact on retained oil during oil generation and expulsion based on pyrolysis experiments （生排油过程中页岩纳米孔隙的形成和演化及其对残留油的影响：基于热解实验）

Formation and evolution of na... 2024-01-24

关键词:: ShaleOil generation and expulsionPyrolysis experimentsMaturityPore structureRetained oil

There have been few systematic studies on the relationship between shale nano-pore formation and evolution and its oil generation and expulsion since geologi...

作者:: Sun Jian
文件大小:: 3.5 MiB

The relationship between Diagenetic Evolution and Hydrocarbon Charge in Deep Tight Reservoirs: A Case Study from Kepingtage Formation of S9 Well Block in Tarim Basin

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

关键词:

The Silurian Kepingtage Formation of Tarim Basin is an important deep clastic reservoir. Exploration practice shows that the reservoirs are generally charact...

作者:: Yukai Qi,Huixi Lin,Fushun Zhang,Xiuxiang Zhu,Hanwen Hu,Bo zhou,Qing Wei
文件大小:: 4.9 MiB

Influence of retained bitumen in oil-prone shales on the chemical and carbon isotopic compositions of natural gases: Implications from pyrolysis experiments （残留油对腐泥型烃源气体组成及碳同位素特征的影响：来自热解实验的启示）

Influence of retained bitume... 2024-01-24

关键词:: Shale; bitumen; Pyrolysis

Retained bitumen in oil-prone source rocks has a significant impact on late gas generation but such influence is still poorly quantified because it is quite ...

作者:: Gai Haifeng
文件大小:: 2.6 MiB

四川盆地东部中二叠统茅口组热液白云岩发育模式及对储层的改造

四川盆地东部中二叠统茅口组热液白云岩发育模式及对储层的改造 2024-01-24

关键词:: 热液白云岩化; 识别标志; 储层改造; 茅口组; 四川盆地

针对四川盆地东部中二叠统茅口组异常白云岩分布,利用岩心岩石学特征描述、地化测试、地震和测井资料综合解释等方法,分析了热液白云岩化作用的识别标志和发育时间,探讨了其成因模式及对储层改造。研究结果表明:不规则白云岩分布、中-粗晶基质白云岩、早期张性裂缝和溶洞中以充填鞍形白云石和石英-鞍形白云石是主要识别标志,白云石流...

作者:: 张涛,林娟华,韩月卿,王泽宇,秦军,张荣强
文件大小:: 20.3 MiB

塔里木盆地中—下奥陶统岩溶水文地貌结构类型及特征

塔里木盆地中—下奥陶统岩溶水文地貌结构类型及特征 2024-01-24

关键词:: 水文地貌结构; 岩溶古地貌; 岩溶古水文; 表生岩溶储层; 中—下奥陶统; 塔里木盆地

表生型岩溶储层是塔里木盆地中—下奥陶统油气勘探的重点目标。为了深入认识岩溶储层的分区差异性,基于塔里木盆地大量钻井、取心和地震资料以及柯坪地区野外露头考察资料,对塔里木盆地不同地区中—下奥陶统岩溶古地貌和古水文进行了精细刻画,并划分了岩溶水文地貌结构类型,揭示了水文地貌结构对岩溶储层发育的控制效应。

作者:: 蔡忠贤,张恒,漆立新,云露,曹自成,沙旭光
文件大小:: 3.2 MiB

Pore characteristics of the carbonate shoal from fractal perspective

Pore characteristics of the c... 2024-01-24

关键词:: Carbonate; shoal Fractal dimensions; NMRHPMISEM

The carbonate shoal is a notable reservoir for the hydrocarbon enrichment. Fractal theory has been proven to be a robust analytical tool to indicate the pore...

作者:: Duan Wei,Zhiqian Gao,Chi Zhang,Tailiang Fan,Grace Muzee Karubandika,Miaomiao Meng
文件大小:: 2.8 MiB

A conceptual model to investigate the impact of diagenesis and residual bitumen on the characteristics of Ordovician carbonate cap rock from Tarim Basin, China

A conceptual model to investi... 2024-01-24

关键词:: Carbonate cap; rockDiagenesis; Carbonate cements; StylolitesResidual bitumen

The Lower-Middle Ordovician Yingshan (O1-2y) Formation associated with large unconformity weathering crust was the main hydrocarbon reservoir in the Tarim Ba...

作者:: Jun Wu,Tailiang Fan,Zhiqian Gao,Xinxin Yin,Xue Fan,Chenchen Li,Wenyi Yu,Chen Li,Chenjia Zhang,Jinhuang Zhang,Xining Sun
文件大小:: 13.9 MiB