数据汇交资源 - 国家冰川冻土沙漠科学数据中心

Oil origins, mixing and biodegradation in southwestern Junggar Basin, NW China (准噶尔盆地西南地区原油来源、混合与生物降解)

Oil origins, mixing and biode... 2024-01-24

关键词:: biomarkersC-isotopes; Oil; mixing Biodegradati Junggar; basiChina

The southwestern Junggar Basin is an attractive region for oil exploration. A major discovery of high oil production rate from a recently drilled borehole st...

作者:: Pan Changchun
文件大小:: 40.4 MiB

基于半封闭体系热模拟实验页岩全岩与粉末样品的排烃效率与微孔隙演化差异对比

基于半封闭体系热模拟实验页岩全岩与粉末样品的排烃效率与微孔隙演化差异对比 2024-01-24

关键词:: 页岩全岩样品; 半封闭体系; 排烃效率; 孔隙演化

与传统基于粉末样品的模拟实验相比,基于页岩全岩样品的模拟实验能更好地保存岩石微观结构及孔隙特征,结果更接近地质实际,但有关全岩与粉末样品的排烃效率与微观孔隙差异尚无系统的研究。本文利用半封闭体系热模拟实验获取延长组 7 段页岩全岩圆柱与粉末样品的排烃效率,并利用低压气体吸附实验表征孔隙特征。当 Ro 从 ...

作者:: 孙宇
文件大小:: 11.7 MiB

Sedimentary microfacies analysis of carbonate formation based on FMI and conventional logs: A case study from the ordovician in the Tahe Oilfield, Tarim Basin, China

Sedimentary microfacies analy... 2024-01-24

关键词:: Carbonate sedimentary microfacies; Microfacies assemblage; FMI (Formation MicroImager); Tarim basin; Yijianfang formation

For sedimentary analysis, core observation is the most direct and efficient method, but its high cost and low coverage call for a less expensive and more abu...

作者:: Hua Fan,Juye Shi,Tailiang Fan,Zhiqian Gao,Yu Gu,Ze Gao,Tonghu Zhang,Yu Li,Bo Li
文件大小:: 20.5 MiB

深层-超深层优质碳酸盐岩储层形成控制因素

深层-超深层优质碳酸盐岩储层形成控制因素 2024-01-24

关键词:: 构造; 层序; 岩相; 流体; 时间; 深层碳酸盐岩; 储层成因

基于对前期工作的总结与前人研究工作的调研,提出了构造、层序、岩相、流体、时间五因素控储的概念模型。(1)构造对深层优质储层的影响可分为原型和变形两个方面,原型体现在构造对沉积格局的控制,构造变形如古隆起的形成演化、褶皱断裂的发育、裂缝组合等为后期的成岩改造提供了新的宏观背景,热体制以及新的流体的介入会建立全新的地...

作者:: 何治亮,张军涛,丁茜,尤东华,彭守涛,朱东亚,钱一雄
文件大小:: 1.1 MiB

The Cambrian Drumian carbon isotope excursion (DICE) in the Keping area of the northwestern Tarim Basin, NW China

The Cambrian Drumian carbon i... 2024-01-24

关键词:: Miaolingian; Transgression; Detrital zirconMicrobialites

The middle Cambrian is an important period for the decline of metazoans and the resurgence of microbialites. Based on the analysis of carbon and oxygen isoto...

作者:: Xiaoqun Yang,Zhong Li,Biao Gao,Yuanquan Zhou
文件大小:: 15.7 MiB

Characteristics and formation mechanisms of the unconformity-related paleokarst reservoirs in the Upper Sinian, Northwestern Tarim Basin, China

Characteristics and formation... 2024-01-24

关键词:: Unconformity-related paleokarst reservoirs; Karst caves.Dolomite; Dissolution; The upper sinian The NW Tarim basin

In the Late Sinian, the Tarim Basin experienced regional tectonic uplift and subaerial exposure. A regional unconformity was extensively distributed during t...

作者:: L Chen,H Zhang,Z Cai,F Cong,P Tang
文件大小:: 23.5 MiB

Mass transfer between mudstone-sandstone interbeds during diagenesis as revealed from the type and distribution of carbonate cements in the Eocene beach-bar sandstones, Bohai Bay Basin

Mass transfer between mudston... 2024-01-24

关键词:: Carbonate cement; Carbon and oxygen isotope; Mass transfer; Material source; Beach-bar; Dongying depression

The characteristics, heterogeneous distribution and origins of carbonate cements within beach-bar sandstones in the Boxing Sag and implications on the mass t...

作者:: Jian Wang,Yingchang Cao,et al
文件大小:: 5.7 MiB

Anatomy of a lacustrine stratigraphic sequence within the fourth member of eocene Shahejie Formation along the steep margin of the Dongying depression

Anatomy of a lacustrine strat... 2024-01-24

关键词:: eastern China; rift stratigraphy; The lacustrine sequence; EEST; LEECST; LCST

A comprehensive study on rift stratigraphy requires a solid understanding of sequence architecture along the steep margins of rift basins. This study analyze...

作者:: Zhixin Li,Wan Yang,Yongshi Wang,Liqiang Zhang,Hongmei Luo,Shuhui Liu,Likuan Zhang,and Xiaorong Luo
文件大小:: 22.1 MiB

塔里木盆地柯坪周缘地区肖尔布拉克组白云岩孔隙结构全孔径表征

塔里木盆地柯坪周缘地区肖尔布拉克组白云岩孔隙结构全孔径表征 2024-01-24

关键词:: 高压压汞; 微米CT扫描; 孔隙结构; 分形维数; 联合表征; 塔里木盆地

白云岩全孔径的孔隙结构特征难以在单一实验手段分析中得到表达,高压压汞实验和微米电子计算机断层扫描(computed tomography, CT)实验在表征低渗透碳酸盐岩储层的微观孔隙结构时存在局限性。

作者:: 柳青兵,蔡忠贤,薛玉芳,何君毅
文件大小:: 1.1 MiB

Geochemical evidence for reworking of the juvenile crust in the Neoarchean for felsic magmatism in the Yunzhongshan area, the North China Craton

Geochemical evidence for rewo... 2024-01-24

关键词:: TTG gneisses; Felsic volcanics; high-K granite; Neoarchean; Arc magmatism; Crustal reworking; North China Craton

The North China Craton experienced two phases of tectonothermal events at ca. 2.8–2.7 Ga and ca. 2.6–2.5 Ga, respectively. Although 2.6–2.5 Ga granitic gneis...

作者:: Xi Wang,Yong-Fei Zheng,et al
文件大小:: 52.3 MiB

Modeling of Overpressure Generation–Evolution of the Paleogene Source Rock and Implications for the Linnan Sag,Eastern China

Modeling of Overpressure Gene... 2024-01-24

关键词:: overpressure mechanism; paleo-pressure evolution; basin modeling; hydrocarbon migration; Shahejie formation

Subsurface pore pressure affects the direction of hydrocarbon migration, determines the distribution of the hydrocarbon reservoir, and provides scientific re...

作者:: Li Chao,Zhang Likuan,Luo Xiaorong,Wang Bing,Lei Yuhong,Cheng Ming,Luo Hongmei,Wang Changjiang,Yu Lan
文件大小:: 9.3 MiB

Carbon isotope (δ13Ccarb) stratigraphy of the Lower–Middle Ordovician (Tremadocian–Darriwilian) in the Great Basin, western United States: Implications for global correlation

Carbon isotope (δ13Ccarb) str... 2024-01-24

关键词:: Carbon; isotopes Ordovician Chemostratigraphy; Carbon cyclingGreat BasinGreat Ordovician Biodiversification Event (GOBE)

New stable carbon isotope data (δ13Ccarb) from Lower–Middle Ordovician (Tremadocian to Darriwilian) carbonate mudstone and wackestone rocks of the Pogonip Gr...

作者:: Cole T. Edwards,Matthew R. Saltzman
文件大小:: 2.2 MiB

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