数据汇交资源 - National Cryosphere Desert Data Center

A new method for calculating the primary porosity of unconsolidated sands based on packing texture: Application to modern beach sand

A new method for calculating... 2024-01-24

Keywords:: Primary porosity; Mathematical model; Packing texture; Grain size distribution; Beach sands

The primary porosity is one of the fundamental parameters for quantitatively predicting reservoir quality and studying diagenetic evolution. Primary porosity...

Author:: Yiming Yan,Liqiang Zhang,Xiaorong Luo,Chao Li,Fanjun Hu
文件大小:: 2.8 MiB

基于支持向量机的测井物性评价——以巴西深海盐下湖相碳酸盐岩储层为例

基于支持向量机的测井物性评价——以巴西深海盐下湖相碳酸盐岩储层为例 2024-01-24

Keywords:: 网格搜索; 遗传算法; 粒子群优化算法; 孔隙度; 渗透率; 支持向量机

针对巴西盐下湖相碳酸盐岩储层物性非均质性强、岩性对储层物性控制弱的难题，采用小样本统计学习性能较强的支持向量机（support vector machine，SVM）解决储层物性评价问题。SVM不仅可以从复杂的测井信息中挖掘出储层物性信息，还可以从测井曲线中挖掘出岩性信息，解决因样本少而难以分岩性进行物性评价...

Author:: 沈禄银,段太忠,潘仁芳,廉培庆,张文彪,金吉能
文件大小:: 6.1 MiB

基于数字露头表征的岩溶缝洞组构特征研究

基于数字露头表征的岩溶缝洞组构特征研究 2024-01-24

Keywords:: 岩溶缝洞一间房地区数字露头表征倾斜摄影碳酸盐岩储层

受多期构造运动和流体活动事件的影响,新疆塔北奥陶系碳酸盐岩地层内发育大量形态复杂的缝洞体.通过对一间房地区的典型岩溶露头考察,针对岩溶缝洞“三无”特征(无固定形态、无固定边界、无固定体积),采用高精度摄像、无人机航拍、三维激光扫描等现代化测量手段,采集多源数据并建立一体化数字露头模型,结合构造形迹分析和地化测试结...

Author:: 杜赫,徐守余,冯建伟,任启强,王朝,徐珂
文件大小:: 26.4 MiB

泥岩化学压实作用的超压响应与孔隙压力预测

泥岩化学压实作用的超压响应与孔隙压力预测 2024-01-24

Keywords:: 黏土矿物转化; 化学压实作用; 超压测井响应; 异常流体压力; 孔隙压力预测

为探索泥岩化学压实作用的增压机制及其超压响应特征,结合国内外相关研究,对泥岩化学压实作用与超压发育关系、化学压实阶段超压响应特征以及孔隙压力预测方法进行了系统总结,分析了东营凹陷泥岩化学压实作用在孔隙压力预测中的意义.认为泥岩化学压实作用以黏土矿物转化为主导机制,通过改变泥岩的微观结构及岩石物理属性,化学压实作用...

Author:: 李超,罗晓容,张立宽
文件大小:: 6.2 MiB

数据挖掘方法在测井岩性识别中的应用现状

数据挖掘方法在测井岩性识别中的应用现状 2024-01-24

Keywords:: 岩性识别; 数据挖掘; 多元统计算法; 智能性算法; 测井数据

测井岩性识别是油气藏勘探开发的重要基础工作。随着计算机技术的发展,数据挖掘方法越来越多地应用于岩性识别以提高预测准确性。数据挖掘方法可归纳为多元统计算法和智能性算法两大类,其中多元统计算法包括主成分分析、判别分析,智能性算法有神经网络、决策树、支持向量机。目前多元统计算法在测井岩性识别中应用广泛,智能性算法的应用...

Author:: 李政宏,张立强,陈曦,李昊东,晋倩倩
文件大小:: 781.6 KiB

Assessing source and maturity of oils in the Mahu sag, Junggar Basin: Molecular concentrations, compositions and carbon isotopes (基于分子组成和浓度、正构烷烃单体碳同位素判识准噶尔玛湖坳陷原油油源和成熟度)

Assessing source and maturity... 2024-01-24

Keywords:: Oil source and maturity assessment; oil source versus maturity indicators; Terpanes and steranesCarbon isotopes of individual n-alkanes Junggar Basin

Molecular parameters are both facies and maturity dependent. Source and maturity assessment remains a difficult task for oils which were deriv...

Author:: Zhongda Zhang
文件大小:: 25.8 MiB

Fischer图解及其在塔里木盆地巴楚地区早奥陶世海平面变化中的响应

Fischer图解及其在塔里木盆地巴楚地区早奥陶世海平面变化中的响应 2024-01-24

Keywords:: 米兰科维奇旋回; 巴楚地区; 早奥陶世; Fischer图解; 海平面变化

基于典型露头、钻测井及地震资料,利用自然伽马测井曲线做出Fischer图解,可识别出具有米兰科维奇旋回特征的高频旋回,旨在分析塔里木盆地巴楚地区早奥陶世的相对海平面变化。对和田1井下奥陶统蓬莱坝组的自然伽马测井曲线进行了预处理和计算,共识别出103个米兰科维奇旋回,并做出Fischer图解。结果表明,下奥陶统蓬莱...

Author:: 胡晓贤,樊太亮,高志前,吴鹏
文件大小:: 1.8 MiB

塔里木盆地塔河油田托甫台区奥陶系碳酸盐岩断溶体系层次建模方法

塔里木盆地塔河油田托甫台区奥陶系碳酸盐岩断溶体系层次建模方法 2024-01-24

Keywords:: 地质建模; 断控岩溶; 缝洞型储层; 碳酸盐岩; 塔河油田; 塔里木盆地

断控岩溶储集体（断溶体）作为缝洞型碳酸盐岩储层的一种特殊类型，受大型走滑断裂带影响，其空间结构复杂、形态不规则且随机性强，给三维精细描述及地质建模带来新的挑战。基于多元、多尺度研究资料，对塔里木盆地塔河油田断溶体系结构层次进行了划分，并提出了断溶体系“层次约束、成因控制、逐级建模”的建模思路。结果表明：断溶体系按...

Author:: 张文彪,张亚雄,段太忠,李蒙,赵华伟,汪彦
文件大小:: 8.8 MiB

Architectural characterization of Ordovician fault-controlled paleokarst carbonate reservoirs, Tahe oilfield, China

Architectural characterizatio... 2024-01-24

Keywords:: fault-controlled karst reservoir; architecture characterization; strike-slip fault; Tahe oilfield; Ordovician

Fault-controlled karst carbonate reservoirs are one of the most important reservoir types in the Tahe oilfield of the Tarim Basin. These reservoirs have a la...

Author:: Taizhong Duan,Wenbiao Zhang,Xinbian Lu,Meng Li,Huawei Zhao,Xiaofei Shang
文件大小:: 17.3 MiB

惠民凹陷临南洼陷古近系沙河街组超压成因机制及分布预测

惠民凹陷临南洼陷古近系沙河街组超压成因机制及分布预测 2024-01-24

Keywords:: 异常高压; 测井响应; 成因判识; 压实不均衡; 储层; 沙河街组; 临南洼陷; 惠民凹陷

渤海湾盆地惠民凹陷临南洼陷古近系沙河街组油气勘探过程中钻遇不同规模的异常高压，超压成因的不确定性限制了压力预测的可靠性。利用临南洼陷丰富的钻杆测试（DST）压力数据、泥浆密度和测井资料，细致分析了渗透性砂岩流体压力发育特征和超压段泥岩测井响应，依据常压和超压段声波速度、密度测井数据建立判识超压成因的有效应力-测井...

Author:: 王冰,张立宽,李超,陈开远,宋国奇,罗红梅
文件大小:: 8.8 MiB

Process of porosity loss and predicted porosity loss in high effective stress sandstones with grain crushing and packing texture transformation

Process of porosity loss and ... 2024-01-24

Keywords:: Porosity loss; Grain crushing; Grain packing texture; CompactionEffective stress; Grain to grain contact point

Grain crushing is common, and porosity loss due to mechanical compaction dominates in cool, young, rapidly subsiding and deep basins where cementation do not...

Author:: Yiming Yan,Liqiang Zhang,Xiaorong Luo,Likuan Zhang,Junjian Li
文件大小:: 20.1 MiB

Structural characteristics and implication on tectonic evolution of the Daerbute strike-slip fault in West Junggar area, NW China

Structural characteristics an... 2024-01-24

Keywords:: Daerbute fault; structural characteristics; deformation timing; West Junggar

The Daerbute fault zone, located in the northwestern margin of the Junggar basin, in the Central Asian Orogenic Belt, is a regional strike-slip fault with a ...

Author:: Kongyou Wu,Yangwen Pei,et al
文件大小:: 1.2 MiB

Overpressure Generation Mechanisms and Its Distribution in the Paleocene Shahejie Formation in the Linnan Sag,Huimin Depression

Overpressure Generation Mecha... 2024-01-24

Keywords:: overpressure mechanism; disequilibrium compaction; fluid expansion; vertical transfer; Shahejie formation; Linnan Sag

The Linnan Sag is one of the main oil-producing units in the Huimin Depression, Eastern China, and the pore pressure gradients obtained from drill stem tests...

Author:: Chao Li,Xiaorong Luo,Likuan Zhang,Bing Wang,Xiaoyan Guan,Hongmei Luo,Yuhong Lei
文件大小:: 5.7 MiB

Gas generation evaluation of Pingliang shale in Weibei Uplift, Ordos Basin using PetroMod

Gas generation evaluation of ... 2024-01-24

Keywords:: Gas generation; Pingliang shale; PetroMod

Ordos Basin is an important large petroliferous basin in China. In order to recover gas generation history and evaluate gas resources of Pingliang shale in ...

Author:: Shuyong Shi
文件大小:: 1.8 MiB

新疆若羌县红柳沟Ⅰ号剖面新元古界成冰系冰沟南组硅质岩特征与沉积环境

新疆若羌县红柳沟Ⅰ号剖面新元古界成冰系冰沟南组硅质岩特征与沉积环境 2024-01-24

Keywords:: 硅质岩; 岩石学; 地球化学; 新元古界; 阿尔金断裂; 若羌县

新疆若羌县红柳沟Ⅰ号剖面出露厚约300 m的新元古界成冰系冰沟南组的细粒沉积物和碳酸盐岩等,并发现有沥青油气显示。通过厚160 m左右硅质岩剖面实测以及岩石学、地球化学等研究表明:红柳沟Ⅰ号剖面中的硅质岩主要由石英、黏土构成,有微量的含铁、锰、磷的独立矿物;具有隐晶质、微晶石英和粗—巨晶石英"镶嵌结构"3种结构类...

Author:: 钱一雄,李曰俊,储呈林,杨鑫,李王鹏,陈跃,马红强
文件大小:: 2.3 MiB

Experimental hydraulic fracture propagation on naturally tight intra-platform shoal carbonate

Experimental hydraulic fractu... 2024-01-24

Keywords:: Tight intra-platform; shoal carbonate Stimulated reservoir volumeHydraulic; fracturingNuclear magnetic resonance (NMR)Tarim Basin

The study of tight intra-platform shoal reservoirs is important for the future exploration and exploitation of this type of petroleum extraction. Stimulated ...

Author:: Duan Wei,Zhiqian Gao a b,Tailiang Fan a b,Shanshan Wang a b,Congcong Li a b,Hang Li a b
文件大小:: 5.1 MiB

塔里木地台北缘早寒武世古海洋氧化-还原环境与优质海相烃源岩发育模式

塔里木地台北缘早寒武世古海洋氧化-还原环境与优质海相烃源岩发育模式 2024-01-24

Keywords:: 塔里木; 寒武系; 烃源岩; 古环境; 发育模式; 热液; 石油地质

塔里木盆地下寒武统玉尔吐斯组是国内已发现的最优质海相烃源岩(TOC=29.8%),但针对该层段开展的古环境地球化学研究较匮乏.选取柯坪地区于提希剖面,开展野外勘查、薄片鉴定、主微量元素及总有机碳含量测试,探究富有机质烃源岩形成环境.研究表明,玉尔吐斯组岩石富集了包括V、U、Ni、Ba、Mo、Cu、Zn等微量元素;...

Author:: 樊奇,樊太亮,李一凡,张俊鹏,高志前,陈跃
文件大小:: 2.4 MiB

Structural geometry and evolution of an intracratonic strike-slip fault zone: A case study from the north SB5 fault zone in the Tarim Basin, China

Structural geometry and evolu... 2024-01-24

Keywords:: Strike-slip structure; Intracratonic fault; Transfer zone; Pre-existing structure; Tarim Basin

The north SB5 fault zone (NSB5FZ) in the Tarim Basin experienced a multistage tectonic evolution, thereby displaying complex structural features. Three-dimen...

Author:: Changyu Teng a,Zhongxian Cai a,Fang Hao b a,Zicheng Cao c
文件大小:: 19.1 MiB

New Insight into the Characteristics of Tight Carbonate based on Nuclear Magnetic Resonance

New Insight into the Characte... 2024-01-24

Keywords:: Nuclear; Magnetic Resonance; Tight Carbonate

In order to further our understanding of the physical properties of tight carbonate and to explore the use of NMR to identify different rock types, in this s...

Author:: Wei Duan,Gao Zhiqian,Fan Tailiang,Meng Miaomiao,Chen Yue,Li Yangbing,and Zhang Chenjia
文件大小:: 13.7 MiB

Formation mechanism of dolomite reservoir controlled by fourth-order sequence in an evaporated marine environment – An example from the Lower Ordovician Tongzi Formation in the Sichuan Basin

Formation mechanism of dolomi... 2024-01-24

Keywords:: Sichuan Basin; lower Ordovician Tongzi formation; dolomite reservoir; meteoric erosion; fourthorder sequence

The high-porosity dolomite reservoirs of the Lower Ordovician Tongzi Formation (Fm.) were widely developed in the Sichuan Basin of southern China. The charac...

Author:: Dongya Zhu,Dianwei Zhang,Quanyou Liu,Fengcun Xing,Zhiliang He,Rongqiang Zhang,and Zihao Liu
文件大小: