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川中古隆起震旦系一寒武系天然气地球化学特征与太和气区的勘探潜力

川中古隆起震旦系一寒武系天然气地球化学特征与太和气区的勘探潜力 2024-01-24

关键词:: 四川盆地; 川中古隆起北斜坡; 天然气; 原油裂解气; 地球化学特征; 安岳气区; 太和气区; 天然气拓展勘探

2020年,相继在四川盆地川中古隆起北斜坡PT1井上震旦统灯影组二段和JT1井下寒武统沧浪铺组获得了高产工业气流,分析结果表明两者的天然气地球化学特征不同,并且与安岳气田的天然气地球化学特征也存在着明显的差异。为了深化对于川中古隆起北斜坡天然气成因的认识,基于大量探井、评价井和开发井的天然气组分、天然气碳同位素、...

作者:: 谢增业,李剑,杨春龙,田兴旺,张璐,李谨,李志生,国建英,谢武仁,郭泽清,齐雪宁,郝爱胜
文件大小:: 5.6 MiB

准噶尔盆地中部凹陷区二叠系—三叠系油气成藏主控因素与勘探方向

准噶尔盆地中部凹陷区二叠系—三叠系油气成藏主控因素与勘探方向 2024-01-24

关键词:: 通源断裂; 成藏主控因素; 二叠系; 三叠系; 中部凹陷区; 准噶尔盆地

准噶尔盆地近年在中央坳陷边缘斜坡区二叠系上乌尔禾组、三叠系百口泉组连续获得重大油气发现，但盆地中部凹陷区针对该领域的钻探仅2口井获低产而多口井目的层未见油气显示，因此亟需深化该地区的油气成藏认识，明确其主控因素。通过对中部凹陷区成藏条件的分析，结合已钻井成藏分析，明确凹陷区失利井未获油气发现的直接原因为局部“通源...

作者:: 张仲培,张宇,张明利,陆红梅,张荣强,陈元壮,王瀚洲,李朋威
文件大小:: 2.2 MiB

Impacts of different matrix components on multi-scale pore structure and reservoir capacity: Insights from the Jurassic Da’anzhai member in the Yuanba area, Sichuan Basin

Impacts of different matrix c... 2024-01-24

关键词:: Lacustrine shale; Pore structure; Controlling factors; Da'anzhai member

Pore structure is an important parameter for the gas-bearing evaluation of lacustrine shale. However, the characteristics and influencing factors of pore str...

作者:: Daiqin Jiang,Pingping Li,Mingjun Zheng,Quan Chen,Wenting Xiong,Huayao Zou
文件大小:: 5.1 MiB

川东北须家河组致密砂岩断缝系统I：断层破碎带的平面分布特征

川东北须家河组致密砂岩断缝系统I：断层破碎带的平面分布特征 2024-01-24

关键词:: 四川盆地; 致密砂岩; 断缝系统; 断层破碎带; 地震属性

断层破碎带通常伴生有复杂的裂缝系统，为地下流体渗流提供了重要通道，影响着油气、矿产、地下水等的储存。迄今为止，地下断层破碎带特征的研究因缺乏数据而相对较少。依托三维地震勘探资料，本文提取了振幅剖面、极大和极小曲率属性、方差等地震属对通南巴马路背地区须家河组致密砂岩断层破碎带的平面分布特征进行研究。结果显示...

作者:: 廖宗湖,陈伟伦,李薇,刘辉,邹华耀,郝芳
文件大小:: 3.1 MiB

Fracture mechanical properties of carbonate and evaporite caprocks in Sichuan Basin, China with implications for reservoir seal integrity

Fracture mechanical propertie... 2024-01-24

关键词:: Subcritical fractureCaprock integrityCarbonate; Anhydrite; Mineral dissolution

Fracture development in reservoir rocks enhances the flow and transport properties of the petroleum system, yet fracture in caprocks can significantly risk r...

作者:: Zonghu Liao,Mengni Wu,Xiaofeng Chen,Huayao Zou
文件大小:: 3.0 MiB

塔里木盆地塔中及周边地区下古生界构造样式与成因演化

塔里木盆地塔中及周边地区下古生界构造样式与成因演化 2024-01-24

关键词:: 构造带; 构造样式; 编写体系; 影响因素; 塔中地区

本文通过研究区深层主要变形带构造变形解析,确认塔东南下古生界构造基本轮廓形成于中奥陶世末,定型于奥陶纪末—志留纪,北部和西部分别有喜山期和海西晚期构造的叠加.以塔中Ⅰ构造带—塔中5-38井构造带,塘北—玉北构造带,塔中南缘构造带为界,研究区可分为4个构造样式不同的构造单元.单元边界的构造变形相对剧烈,以逆冲—走滑...

作者:: 云金表宁飞宋海明刘士林
文件大小:: 5.0 MiB

An improved rock typing method for tight sandstone based on new rock typing indexes and the weighted fuzzy kNN algorithm

An improved rock typing metho... 2024-01-24

关键词:: New rock typing indexes; The weighted fuzzy kNN algorithm; Tight sandstone; Non-Darcy flow

Petrophysical rock typing is a very important problem in flow unit interpretation and reservoir characterization. Unlike the sandstone, the presence of numer...

作者:: Lili Ji,Mian Lin,Wenbin Jiang,Gaohui Cao,Zhipeng Xu,Fang Hao
文件大小:: 24.9 MiB

Origin and significance of carbonate shoal depositional cycles: A case study of the Cambrian Longwangmiao Formation, Sichuan Basin, SW China

Origin and significance of ca... 2024-01-24

关键词:: Sichuan Basin; Cambrian; Longwangmiao Formation; Shoal; Depositional cycle

The carbonate shoals are generally considered as the critical reservoirs in the carbonate sediments. However, whether the quality of reservoir directly relat...

作者:: Weiqiang Yang,Pingping Li,Haoru Chen,Zheng Liu,Caijun Lan,Zhehang Xu,Chaojin Lu,Huayao Zou
文件大小:: 61.7 MiB

Making sense of pore systems and the diagenetic impacts in the Lower Triassic porous dolostones, northeast Sichuan Basin

Making sense of pore systems ... 2024-01-24

关键词:: Pore; Throat; Fractal; Diagenetic; Bitumen; Calcite cement

As the heterogeneity of pore systems, carbonate rocks commonly exhibit unpredictable porosity vs. permeability relationship and make the exploitation and pre...

作者:: Jie Li,Heng Zhang,Zhongxian Cai,Huayao Zou,Fang Hao,Guangwei Wang,Pingping Li,Ya Zhang,Junyi He,Wenli Fei
文件大小:: 16.1 MiB

New method of in situ high-resolution experiments and analysis of fracture networks formed by hydraulic fracturing

New method of in situ high-re... 2024-01-24

关键词:: Hydraulic fracturing; In situ; High-resolution; Tight sandstone; Fracture networks

Hydraulic fracturing plays a key role in the oil and gas development of unconventional tight reservoirs. Therefore, it is important to study the fracturing m...

作者:: Sipeng Zheng,Mian Lin,Wenbin Jiang,Xin Qiu,Zhuo Chen
文件大小:: 19.4 MiB

Origin and accumulation mechanisms of deep paleozoic oil and gas: A case study of the central Tarim basin, western China（深古生代油气的成因与聚集机制——以中国西部塔里木盆地中部为例）

Origin and accumulation mecha... 2024-01-24

关键词:: Petroleum accumulation; Deep strata; Molecular marker; Gypsum-salt rock; Petroleum exploration; Oil and gas reservoirs

Old strata and deep petroleum systems are becoming increasingly important. The Cambrian-Lower Ordovician petroleum reservoirs in the eastern Tazhong Uplift, ...

作者:: Mingpeng Li,Zhonghong Chen,Shiwei Yi,Shiguo Lin,Yang Gao,Fuxi Huang,Yuanqi She,Rongzhen Qiao
文件大小:: 21.2 MiB

基于相界面追踪实验方法的微米毛细管内两相驱替机理研究

基于相界面追踪实验方法的微米毛细管内两相驱替机理研究 2024-01-24

关键词:

作者:: 雷达
文件大小:

团簇同位素在白云岩化流体恢复中的应用与局限性

团簇同位素在白云岩化流体恢复中的应用与局限性 2024-01-24

关键词:: 团簇同位素; 氧同位素; 重结晶作用; 白云岩; 白云岩化流体; 碳酸盐岩; 四川盆地

碳酸盐的团簇同位素(Δ47)可以直接确定矿物的形成温度,结合矿物的氧同位素,还可以根据传统的氧同位素温度计确定矿物生长的流体(水)的氧同位素(δ18O),提供了一种潜在的确定白云化流体的δ18O、分析白云岩化流体来源的新方法。受白云岩化之后的重结晶作用和高温固态重置作用的影响,白云岩的团簇同位素温度(T(Δ47)...

作者:: 李平平,王淳,邹华耀,余新亚
文件大小:: 7.3 MiB

Heterogeneous distribution and potential significance of solid bitumen in paleo-oil reservoirs: Evidence from oil cracking experiments and geological observations

Heterogeneous distribution an... 2024-01-24

关键词:: Oil cracking; Solid bitumen; Paleo-oil reservoirs; Paleo-porosity; Sichuan Basin

The solid bitumen (SB) residing in reservoirs after oil cracking can reduce reservoir quality. To build a quantitative standard for the SB content for paleo-...

作者:: Pingping Li,Ting Li,Huayao Zou,Gang Zhou,Liang Xu,Xinya Yu
文件大小:: 27.4 MiB

Sulfate Sources of Thermal Sulfate Reduction (TSR) in the Permian Changxing and Triassic Feixianguan Formations, Northeastern Sichuan Basin, China

Sulfate Sources of Thermal Su... 2024-01-24

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Thermal sulfate reduction (TSR) occurred throughout the Permian Changxing (P2c) and Triassic Feixianguan (T1f) dolostone reservoirs in the western and easter...

作者:: Pingping Li,Bisong Li,Jinbao Duan,Yizhen Zhao,Huayao Zou,Fang Hao
文件大小:: 6.4 MiB

Molecular markers of Neoproterozoic-Lower Paleozoic petroleum systems and their geological significance: A case study of the cratonic basins in western China（新元古代-下古生代油气系统的分子标志及其地质意义——以中国西部克拉通盆地为例）

Molecular markers of Neoprote... 2024-01-24

关键词:: Molecular markers; Ediacaran; Cambrian\; Solid bitumen; Extracts; Oils

In this article, we report the investigation of the Ediacaran and Lower Paleozoic petroleum systems using their molecular markers. The cratonic basins locate...

作者:: Moïse Luemba,Zhonghong Chen,Joseph Ntibahanana
文件大小:: 26.2 MiB

Light hydrocarbons and diamondoids in deep oil from Tabei of Tarim Basin: Implications on petroleum alteration and mixing （塔里木盆地塔北深层油中的轻烃和类金刚石：对石油蚀变和混合的影响）

Light hydrocarbons and diamon... 2024-01-24

关键词:: Deep oil; Light hydrocarbon; Diamondoid; Oil alteration; Oil mixing

The Tuofutai Bulge in central Tabei of northern Tarim Basin provides insights into the complex geochemical processes of deep oil accumulations.

作者:: Zhi Chai,Zhonghong Chen,Richard Patience,Zhigang Wen,Youjun Tang,Bin Cheng,Mingpeng Li,Moïse Luemba,Zepeng Wu
文件大小:: 21.1 MiB

超深层灰岩盖层的脆—韧性研究——以四川盆地元坝气藏为例

超深层灰岩盖层的脆—韧性研究——以四川盆地元坝气藏为例 2024-01-24

关键词:: 超深层; 灰岩; 盖层; 脆—韧性

中国含油气盆地超深层广泛发育灰岩，灰岩的主要矿物成分是方解石，其特殊的晶体结构决定了其在超深层具有很强的塑性和韧性。在小变形作用下，灰岩不容易发生断裂。灰岩尤其是泥灰岩，因其较低的孔隙度和渗透率也可以作为盖层。四川盆地元坝气藏埋深超过 6 500 m，储气规模大，其盖层和保存条件一直备受关注。下三叠统膏盐岩作...

作者:: 王信棚,陈书平,冯贵民,勾琪伟
文件大小:: 1.5 MiB

川东地区上二叠统龙潭组泥页岩基本特征及页岩气勘探潜力

川东地区上二叠统龙潭组泥页岩基本特征及页岩气勘探潜力 2024-01-24

关键词:: 页岩气; 龙潭组; 吴家坪组; 二叠系; 勘探潜力; 川东地区

四川盆地晚二叠世龙潭期沉积相类型多样,为落实不同沉积相带的页岩气勘探潜力,针对不同相带典型井开展了系统的页岩气形成条件分析,四川盆地晚二叠世龙潭期富有机质页岩主要发育在潮坪—潟湖相和陆棚相,其中潮坪—潟湖相泥页岩分布在资阳—永川—綦江一带,岩性组合复杂,泥岩、页岩、泥质碳酸盐岩不等厚互层,煤层全段均有发育,具有"...

作者:: 翟常博,邓模,曹清古,肖雄,何贵松,陈斐然,邱建华,刘栩,张长江
文件大小:: 3.8 MiB

Identification of Diagenetic Facies in Low-permeability Sandstone Reservoirs Based on Self-organizing Map Neural Network Algorithm

Identification of Diagenetic ... 2024-01-24

关键词:: shale gas; zhenbei area; machine learning; complex reservoir; chang-8 reservoir; dissolution pore; facies; Artificial Intelligence; Upstream Oil & Gas; petrophysical property

Quantitative identification of diagenetic facies is critical for favorable reservoir prediction. In this study, the diagenetic facies of the Chang-8 reservoi...

作者:: Yan Lu,Keyu Liu,and Ya Wang
文件大小:: 2.0 MiB