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断控岩溶体系空间结构差异性与三维建模——以顺北1号断裂带为例

断控岩溶体系空间结构差异性与三维建模——以顺北1号断裂带为例 2024-01-24

关键词:: 走滑断裂; 断溶体; 缝-洞储层; 地质建模; 顺北油田

断控岩溶体系空间结构差异性制约该类油藏高效开发。以顺北1号断裂带为例，综合地震构造解释、储层预测、钻井及生产特征信息，按照规模从大到小的层次关系ꎬ从断裂分段、断溶体分割、油气充注以及缝-洞连通性 4 个角度阐述了各层次差异的成因及特征，通过三维地质建模的方式再现了各层次差异体分布规律及相互关系，并讨论了下步攻...

作者:: 张文彪,段太忠,赵华伟,马琦琦,鲍典
文件大小:: 49.1 MiB

Incorporation of wet gases to kerogen in petroleum formation and evolution （油气生成与演化过程中湿气吸附）

Incorporation of wet gases to... 2024-01-24

关键词:: Dryness; ratioWet gas incorporation to kerogen Recycling; reaction mechanism

The formation mechanism for thermogenic gas remains unresolved. Disputes are focused on: (1) stability barrier for decomposition of oil to gas and wet gas ...

作者:: Shuang Yu
文件大小:: 8.3 MiB

Types of Fluid Alteration and Developing Mechanism of Deep Marine Carbonate Reservoirs

Types of Fluid Alteration and... 2024-01-24

关键词:: deep marine carbonate reservoirs; Calcite cement; burial-TSR-derived

Accurate recognition of the types of alteration fluid and the development mechanisms are important concerns in studying deep marine carbonate reservoirs. Maj...

作者:: Dongya Zhu,Quanyou Liu,Juntao Zhang Qian Ding Zhiliang He and Xuefeng Zhang
文件大小:: 12.9 MiB

Micro- and Nanoscale Pore Structure Characterization of Carbonates from the Xiaoerbulake Formation in the Tarim Basin, Northwest China

Micro- and Nanoscale Pore Str... 2024-01-24

关键词:: Micro- and Nanoscale; Pore; Structure

The evaluation of pore structure is an essential part in the assessment of carbonate reservoirs. The structures (geometry and connectivity) of nm to μm-scale...

作者:: J Wang,Q Hu,M Sun,Z Cai,C Zhang,T Zhang
文件大小:: 6.5 MiB

Machine Learning Method for TOC Prediction: Taking Wufeng and Longmaxi Shales in the Sichuan Basin,Southwest China as an Example

Machine Learning Method for T... 2024-01-24

关键词:

The total organic carbon content (TOC) is a core indicator for shale gas reservoir evaluations. Machine learning-based models can quickly and accurately pred...

作者:: Jia Rong,Zongyuan Zheng,Xiaorong Luo,Chao Li,Yuping Li,Xiangfeng Wei,Quanchao Wei,Guangchun Yu,Likuan Zhang,Yuhong Lei
文件大小:: 1.5 MiB

An improved method for reconstructing the digital core model of heterogeneous porous media

An improved method for recons... 2024-01-24

关键词:: Reconstruction; CCSIM-TSS; Multiple connectivity; Heterogeneous porous media

The heterogeneous pore space of porous media strongly affects the storage and migration of oil and gas in the reservoir. In this paper, the cross-correlation...

作者:: Lili Ji,Mian Lin,Wenbin Jiang,Chenjie Wu
文件大小:: 6.1 MiB

Early development and late preservation of porosity linked to presence of hydrocarbons in Precambrian microbialite gas reservoirs within the Sichuan Basin, southern China

Early development and late pr... 2024-01-24

关键词:: Porosity preservation; Thrombolite; Microbialite; Dengying formation; Sichuan Basin

The ancient Ediacaran Dengying Formation consists of microbialites with unusually high porosity that represent a large proportion of the Weiyuan-Anyue gas re...

作者:: Dongya Zhu,Quanyou Liu,Zhiliang He,Qian Ding,Jingbin Wang
文件大小:: 14.7 MiB

An inversion approach for analysing the physical properties of a seismic low-velocity layer in the upper mantle

An inversion approach for ana... 2024-01-24

关键词:: Shear waveLow-velocity layer; Partial meltingInverse; problemNon-uniqueness

In this article, we propose a new inversion scheme to calculate the melt volume fractions from observed seismic anomalies in a low-velocity layer (LVL) locat...

作者:: Jie Xiao
文件大小:: 4.3 MiB

塔里木盆地玉尓吐斯组高频层序沉积充填演化特征及控烃作用

塔里木盆地玉尓吐斯组高频层序沉积充填演化特征及控烃作用 2024-01-24

关键词:: 烃源岩; 高频层序; 硫化缺氧; 沉积演化

结合9个野外剖面和17口井,对塔里木盆地玉尔吐斯组沉积演化及其对烃源岩的制约作用进行了系统研究和分析。在精细对比后发现,塔里木盆地下寒武统玉尔吐斯组可分为2个三级层序(SQ1、SQ2)、5个四级层序(sq1—sq5),其中三级层序SQ1可分为3个四级层序,SQ2可分为2个四级层序。SQ1发生在寒武纪初期,海进速度...

作者:: 江维,高志前,胡宗全,赵永强,储呈林
文件大小:: 4.5 MiB

Assessment of oil potential for humic coals on the basic of flash Py-GC, Rock-Eval and confined pyrolysis experiments (基于Py-GC、Rock-Eval和封闭体系热模拟实验评估腐殖质煤的生油潜力)

Assessment of oil potential f... 2024-01-24

关键词:: Quantitative; flash Py-GCConfined pyrolysisOil potentialsGas; oil ratiosHumic coals

Confined pyrolysis experiments (gold capsules), quantitative flash pyrolysis-gas chromatography (Py-GC) and Rock-Eval analysis were performed on ten coals fr...

作者:: Lifei Zeng
文件大小:: 3.9 MiB

Characterization of crude oil charging of Xiaoerbulake dolomite in the Tarim basin: Insights from bitumen distribution

Characterization of crude oil... 2024-01-24

关键词:: Oil charging force; Pore-throat threshold; Micro-computed tomography; Mercury intrusion capillary pressure; Dolomite reservoirs; Xiaoerbulake formation

Understanding hydrocarbon charging mechanisms is essential for reservoir quality evaluation. In this study, a systematic investigation of micro-nano scale oi...

作者:: Wen Jianjiang,Sun Mengdi,Cui Ziang,Wang Jingyi,Zhang Heng,Cai Zhongxian,Ostadhassan Mehdi,Wang Qi,Hu Qinhong
文件大小:: 11.3 MiB

Diagenesis and evolution of the lower Eocene red-bed sandstone reservoirs in the Dongying Depression, China

Diagenesis and evolution of t... 2024-01-24

关键词:: Diagenesis; Diagenetic environment; Reservoir evolution; Red bed; Eocene; Dongying Depression

The diagenetic evolution of the lower Eocene red-bed high-quality reservoirs in the Dongying Depression was systematically investigated through an integrated...

作者:: Jian Wang,Yingchang Cao,et al
文件大小:: 14.1 MiB

塔里木盆地巴楚-塔中地区寒武系盐下白云岩储层成岩作用及物性特征

塔里木盆地巴楚-塔中地区寒武系盐下白云岩储层成岩作用及物性特征 2024-01-24

关键词:: 储层; 成岩作用; 热流体白云石化; 盐下白云岩; 寒武系; 塔里木盆地

塔里木盆地巴楚-塔中地区盐下白云岩有效储层空间非均质性较强,储层分布不仅受颗粒滩、生物礁等高能沉积相带影响,成岩改造作用成岩改造作用也相当显著。通过对巴楚-塔中地区井下样品的显微观测、地化分析及测井资料配套解释,详细刻画了盐下白云岩特征,进一步认识了成岩改造过程及其对白云岩储集体的制约机制。结果表明,下寒武统盐下...

作者:: 程丽娟,李忠,刘嘉庆,于靖波
文件大小:: 6.2 MiB

Elemental and isotopic evidence for the presence of a microbial thriving environment during the deposition of Early Cambrian Xiaoerbulake Formation in the Tarim Basin, NW China

Elemental and isotopic eviden... 2024-01-24

关键词:: Cambrian; microbialite; rare earth element; terrigenous contamination; trace element; Xiaoerbulake Formation

Microbial communities regained prominence in the Cambrian after a prolonged downturn in the Neoproterozoic, but the reasons for their revival are unclear. Th...

作者:: Yunxian Feng,Zhong Li
文件大小:: 7.1 MiB

基于交会图决策树的缝洞体类型常规测井识别方法——以塔河油田奥陶系为例

基于交会图决策树的缝洞体类型常规测井识别方法——以塔河油田奥陶系为例 2024-01-24

关键词:: 交会图; 决策树; 常规测井; 缝洞体; 碳酸盐岩; 奥陶系; 塔里木盆地

塔河油田奥陶系具有丰富的油气资源，受岩溶作用影响发育洞穴、孔洞和裂缝等多种储集空间，洞穴中充填不同物质。多种储集空间和充填物组合形成多种缝洞体类型，导致常规测井响应特征复杂，识别类型难度大。依据露头、岩心和井壁成像测井等信息，确定了 6 种缝洞体类型，分别为未充填洞穴型、砂泥充填洞穴型、角砾充填洞穴型、方解石...

作者:: 王晓畅,张军,李军,胡松,孔强夫
文件大小:: 10.0 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:: 309.8 KiB

Geochemical constraints on the origin of Neoarchean magmatic rocks in the Lüliang Complex, North China Craton: Tectonic implications

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

关键词:: Basalt; Andesite; Neoarchean; Arc magmatism; Plate subduction; North China Craton

The North China Craton suffered a strong tectonothermal event in the late Neoarchean, with its crystalline basement dominantly composed of ca. 2.6–2.5 Ga gra...

作者:: Xi Wang,Yong-Fei Zheng,et al
文件大小:: 18.5 MiB

深层-超深层碳酸盐岩储层精细地质建模技术进展与攻关方向

深层-超深层碳酸盐岩储层精细地质建模技术进展与攻关方向 2024-01-24

关键词:: 地质知识库; 储层地质分析; 储层测井评价; 储层地震预测; 人工智能建模; 精细地质建模; 碳酸盐岩储层; 深层-超深层

深层-超深层碳酸盐岩油气是业界普遍关注的热点和重点领域。如何精准刻画深层-超深层碳酸盐岩储集体空间展布及储集参数分布特征，是高效勘探开发面临的重大技术问题。在对储层地质分析、测井评价、地震预测、地质建模等相关技术发展现状分析的基础上，针对深层-超深层碳酸盐岩储层研究面临资料少、品质差、精度低，加之储层非均质性强等...

作者:: 何治亮,赵向原,张文彪,吕心瑞,朱东,赵峦啸,胡松,郑文波,刘彦锋,丁茜,段太忠,胡向阳,孙建芳,耿建华
文件大小:: 10.5 MiB

塔里木盆地轮探1井下寒武统超深层油气相态演化定量模拟

塔里木盆地轮探1井下寒武统超深层油气相态演化定量模拟 2024-01-24

关键词:: 轮探 1 井; 玉尔吐斯组; 轻质油; 相态模拟; 盆地模拟

轮探 1 井位于塔里木盆地塔北隆起轮南低凸起，钻遇并揭示下寒武统玉尔吐斯组优质烃源岩，并在 8 260 m 深的吾松格尔组白云岩储层发现超深层轻质油，展现了塔里木盆地超深层油气良好的勘探前景。已有研究表明轮探 1 井轻质油主要来源于寒武系烃源岩，但对于该井烃源岩生烃过程及其深层油气相态物性预测还没有进行系统...

作者:: 陈承声
文件大小:: 1.6 MiB

塔河油田奥陶系碳酸盐岩储集层成像测井地质解释

塔河油田奥陶系碳酸盐岩储集层成像测井地质解释 2024-01-24

关键词:: 塔河油田; 奥陶系; 碳酸盐岩; 储集层; FMI测井; 地质解释模型

地层微电阻率扫描成像(FMI)测井图像直观可视、分辨率高、地质信息量大,描述含有复杂储集空间的非均质性地层时具有明显优势。以FMI测井图像为主,结合岩心、常规测井资料,对塔河油田8口探井奥陶系碳酸盐岩储集层的重点层段精细刻画,建立FMI测井地质解释模型,并推广到未取心井段,识别出奥陶系储集层岩性主要为砂屑灰岩、砂...

作者:: 张宸嘉,樊太亮,孟苗苗,吴俊
文件大小:: 6.0 MiB