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The Middle Permian Maokou reservoir (southern Sichuan Basin, China): Controls on karst development and distribution

The Middle Permian Maokou res... 2024-01-24

关键词:: Carbonate reservoir; Reservoir distribution; Reservoir productivity; Dual permeability; Caves; Maokou Formation

The Middle Permian Maokou limestone is a major natural gas producing reservoir in the southern Sichuan Basin, China. While matrix porosity is low, bit drops,...

作者:: Dancheng Zhu,Huayao Zou,Minglei Yang,Ting Li,Tao Li,Haiping Li,Liang Xu,Long Wen,Gang Zhou
文件大小:: 42.8 MiB

Geochemistry of high-maturity crude oil and gas from deep reservoirs and their geological significance: a case study on Shuntuoguole Low Uplift, Tarim Basin, western China（深层油气藏高成熟度原油和天然气的地球化学特征及其地质意义——以塔里木盆地顺托果勒低隆起为例）

Geochemistry of high-maturity... 2024-01-24

关键词:: biomarkers; biomarkers; biomarkers

The oils of Shuntuoguole low uplift of Tarim Basin in western China have high contents of saturated hydrocarbons and a high loss of light hydrocarbon compone...

作者:: Zhonghong Chen,Zhi Chai,Bin Cheng,Hua Liu,Yingchang Cao,Zicheng Cao,Jiangxiu Qu
文件大小:

Tectono-sedimentary evolution of the Late Ediacaran to early Cambrian trough in central Sichuan Basin, China: New insights from 3D stratigraphic forward modelling

Tectono-sedimentary evolution... 2024-01-24

关键词:: Tectono-sedimentary evolution; Formation and development mechanism; Stratigraphic forward modelling; Central Sichuan Basin

Several conceptual models have been proposed on the tectono-sedimentary evolution of the Late Ediacaran to early Cambrian trough in the central Sichuan Basin...

作者:: Jianliang Liu,Keyu Liu,Changwei Li,Weijing Liu
文件大小:: 7.6 MiB

The characteristics of movable fluid in the Triassic lacustrine tight oil reservoir: a case study of the Chang 7 member of Xin'anbian Block, Ordos Basin, China(三叠系湖相致密油储层可动流体特征——以鄂尔多斯盆地新安边区块长7段为例)

The characteristics of movabl... 2024-01-24

关键词:: Movable fluid; Nuclear magnetic resonance; Centrifugation; Ordos Basin

The micropore-throat structure of a tight oil reservoir is complex, and its movable fluid distribution differs from that of a conventional reservoir. By usin...

作者:: Peng Li,Chengzao Jia,Zhijun Jin,Quanyou Liu,Min Zheng,Zhenkai Huang
文件大小:: 823.5 KiB

四川盆地震旦系灯影组丘滩体发育分布及对储层的控制

四川盆地震旦系灯影组丘滩体发育分布及对储层的控制 2024-01-24

关键词:: 丘滩体; 台缘带; 发育机理; 灯影组; 四川盆地

四川盆地震旦系灯影组储层主要发育于微生物丘滩体中，但不同成因类型丘滩体对储层的影响尚不明确。通过钻井岩心和野外露头观测、岩石薄片分析和物性测试等手段，将丘滩体划分为丘基、丘核、丘翼和丘坪４种微相，并根据微相的组合划分出台缘并进型丘滩体、台缘追补型丘滩体和台内饥饿型丘滩体３种丘滩体类型。台缘并进型丘滩体的生长速...

作者:: 兰才俊,徐哲航,马肖琳,胡超,陈浩如,邹华耀
文件大小:: 2.5 MiB

鄂尔多斯盆地南部上古生界致密储层预测——以镇泾地区为例

鄂尔多斯盆地南部上古生界致密储层预测——以镇泾地区为例 2024-01-24

关键词:: 砂体叠置方式; 地震正演; 地震相分析; 薄层反射; 储层预测; 致密碎屑岩; 上古生界; 鄂尔多斯盆地南部

论文结合沉积相展布特征的一系列地震正演模拟发现，山二段内与盒一段大套砂体有一定距离、具有一定厚度的砂体能够形成可识别的地震反射，这种地层岩性纵向上的空间组合与区域叠加型及厚层单一型砂体沉积模式吻合，正是周边已发现气藏的典型储盖组合类型。根据正演模拟结果优选的波峰数地震属性储层预测证实，山二段叠加型砂体及厚层单一型...

作者:: 陆红梅,张仲培,王琳霖,卞昌蓉,孙宜朴,卢颖忠
文件大小:: 2.8 MiB

An experimentally-based friction law for high-velocity, long-displacement slip-pulse events during earthquakes

An experimentally-based frict... 2024-01-24

关键词:: friction lawfault weakening; slip-pulse; earthquake experiments

Large earthquakes initiate at small nucleation sites and propagate as rupture fronts along the host fault. It is inherently challenging to resolve the comple...

作者:: Zonghu Liao,Ze’ev Reches
文件大小:: 3.1 MiB

含水对纳米孔甲烷吸附影响的分子模拟方法与应用研究

含水对纳米孔甲烷吸附影响的分子模拟方法与应用研究 2024-01-24

关键词:: 页岩气; 吸附; 含水饱和度; 巨正则蒙特卡洛; 分子动力学

含气页岩中的吸附气量具有相当占比，页岩普遍包含一定的原生水。当前含水条件页岩高压甲烷吸附实验耗时长，水分易损失，测试压力有限以及温度控制精度要求高；含水纳米孔甲烷吸附分子模拟中考虑的温度、压力和含水饱和度相对较低。为此，本文提出了一种巨正则蒙特卡洛（GCMC）交换和分子动力学（MD）计算交替进行的混合模拟方法。通...

作者:: 周羁
文件大小:

论中国“能源独立”战略的内涵、挑战及意义

论中国“能源独立”战略的内涵、挑战及意义 2024-01-24

关键词:: 能源独立; 能源革命; 智能源; 煤炭; 非常规油气; 新能源; 能源长征路

世界能源正处在从化石能源向新能源发展的"第3次重大转换期",各国都制定能源发展战略。美国通过超前部署,依靠"非常规油气革命"即将实现"能源独立"。中国能源发展面临4大挑战:人口基数和经济发展规模决定能源消费"总量大"、"富煤但油气不足"的资源结构决定能源结构"不清洁"、持续攀升的油气对外依存度决定能源供应"不安全...

作者:: 邹才能,潘松圻,赵群
文件大小:: 1.5 MiB

Fracture behavior of Longmaxi shale with implications for subsurface applications

Fracture behavior of Longmaxi... 2024-01-24

关键词:

Fracture mechanical properties of shales have gained continued interest recently due to their critical role in many shale-related applications such as unconv...

作者:: Zonghu Liao,Shunjie Deng,Xiaofeng Chen,Mengni Wu,Yongshang Kang,Lianbo Zeng,and Huayao Zou
文件大小:: 11.6 MiB

Molecular markers, carbon isotopes, and rare earth elements of highly mature reservoir pyrobitumens from Sichuan Basin, southwestern China: Implications for PreCambrian-Lower Cambrian petroleum systems（四川盆地高成熟储层火山灰的分子标记、碳同位素和稀土元素：对前寒武纪-下寒武纪油气系统的意义）

Molecular markers, carbon iso... 2024-01-24

关键词:: Bitumen; Biomarkers; Trace elements; Rare earth elements; Paleo-oil reservoirs; Cambrian; Sichuan Basin

The Moxi-Gaoshiti Bulge of the Sichuan Basin in southwestern China is unique because it provides insights into the geochemistry of Lower Cambrian reservoir b...

作者:: Chen Zhonghong,Simoneit Bernd R. T,Wang T-G
文件大小:: 7.6 MiB

Characteristics, evolution, and formation of pressure in the Sinian–Cambrian gas reservoirs of the Anyue gas field, Sichuan Basin, China[四川盆地安岳气田震旦系-寒武系气藏压力特征、演化与形成]

Characteristics, evolution, a... 2024-01-24

关键词:: Anyue gas field; Sichuan Basin; hydrostatic-pressure; abnormal-pressure formation; abnormal-pressure release

The Anyue gas field, with reserves of 1 trillion m3, was discovered in the Central Sichuan Basin, China. It includes three main production layers from the bo...

作者:: Zeqing Guo,Wenzhi Zhao,Guoqi Wei,Long Wen,Wuren Xie,Zengye Xie,Chunlong Yang,Xiaobo Wang
文件大小:: 12.8 MiB

四川盆地震旦系灯影组不同古地理环境下丘滩储集体的差异性

四川盆地震旦系灯影组不同古地理环境下丘滩储集体的差异性 2024-01-24

关键词:: 古地理环境; 丘滩复合体; 微生物岩; 碳酸盐岩储集层; 震旦系; 灯影组; 四川盆地

四川盆地震旦系灯影组丘滩沉积体广泛发育，具有很好的储集价值。基于露头勘查与岩心观测获取的资料，通过薄片鉴定、孔隙度、渗透率测试等方法分析丘滩储集体的储集性能。结果表明，由于震旦纪末期绵阳—长宁裂陷槽的发育影响了灯二段与灯四段碳酸盐岩台地相带展布，导致形成不同的古地理环境，目前可识别出高能环境、过渡环境、低能...

作者:: 徐哲航,兰才俊,郝芳,陈浩如,杨伟强,马肖琳,邹华耀
文件大小:: 3.4 MiB

四川盆地震旦系气源特征与原生含气系统有效性

四川盆地震旦系气源特征与原生含气系统有效性 2024-01-24

关键词:: 天然气; 碳同位素组成; 氢同位素组成; 地球化学特征; 气源对比; 震旦系; 原生含气系统; 四川盆地

基于震旦系和寒武系烃源岩地球化学特征及与已发现气藏对比关系,辅以成藏条件分析,探讨震旦系天然气来源,明确了震旦系烃源岩的成藏贡献及原生含气系统有效性。通过天然气组成、碳氢同位素及震旦系成藏组合有效性分析,认为:(1)震旦系原生天然气具有低乙烷含量、重乙烷碳同位素组成和轻甲烷氢同位素组成3个特点,明显不同于寒武系;...

作者:: 赵文智,谢增业,王晓梅,沈安江,魏国齐,汪泽成,王坤
文件大小:: 3.0 MiB

低成熟海相黑色页岩生烃特征的热模拟实验

低成熟海相黑色页岩生烃特征的热模拟实验 2024-01-24

关键词:: 热模拟实验; 生烃产率; 碳同位素; 生烃模式; 黑色页岩; 大隆组

页岩气是黑色富有机质页岩生烃演化完成后滞留在页岩中的烃类气体,为了查明海相黑色页岩生排烃过程中产物的变化规律及影响因素,揭示海相富有机质页岩的生烃潜力,采用地层孔隙热压生烃模拟仪对四川盆地广元地区上寺剖面大隆组黑色页岩进行热压模拟实验。结果表明:(1)黑色页岩具有极高的生烃潜力,最高产烃量达452.43 mg/g...

作者:: 邓模
文件大小:: 329.7 KiB

四川盆地中泥盆统和中二叠统天然气地球化学特征及成因

四川盆地中泥盆统和中二叠统天然气地球化学特征及成因 2024-01-24

关键词:: 中泥盆统; 中二叠统; 天然气成因; 烃源岩; 地球化学; 火山岩; 四川盆地

中泥盆统和中二叠统是近年四川盆地天然气勘探获得重大突破的领域,但其天然气来源尚不明确,影响下一步勘探部署决策。开展了中泥盆统和中二叠统天然气地球化学、储层沥青及烃源岩生物标志物等特征的综合研究。结果表明:①中泥盆统和中二叠统天然气均属于二次裂解的干气,甲烷含量>86%,含少量乙烷、丙烷等烃类气体及少量的氮气、二氧...

作者:: 谢增业,杨春龙,董才源,戴鑫,张璐,国建英,郭泽清,李志生,李谨,齐雪宁
文件大小:: 2.6 MiB

Composite Strike-Slip Deformation Belts and Their Control on Oil and Gas Reservoirs: A Case Study of the Northern Part of the Shunbei 5 Strike-Slip Deformation Belt in Tarim Basin, Northwestern China

Composite Strike-Slip Deforma... 2024-01-24

关键词:: strike-slip deformation belt; structural style; interpretation model; oil and gas reservoir; Tarim Basin

Strike-slip deformation belts are interesting structures in the crust and are of significance in petroleum exploration. The Shunbei 5 fault belt (SB5), a lon...

作者:: Haowei Yuan,Shuping Chen,Yuan Neng,Huaibo Zhao,Shidong Xu,Xinpeng Wang and Guimin Feng
文件大小:: 5.9 MiB

丁页5井页岩微观孔隙和吸附气量沿深度变化特征研究

丁页5井页岩微观孔隙和吸附气量沿深度变化特征研究 2024-01-24

关键词:: 页岩气勘探; 比表面积; 微观孔隙; 吸附气量

北美页岩气革命成功之后,页岩气这种在致密页岩当中赋存的非常规油气充分地引起了各国能源开发部门的重视,我国拥有非常可观的页岩气资源量,但是由于国内关于页岩气的勘探开发起步较晚,目前尚存在诸多科学和工程上问题亟待解决. 本文以重庆地区成功开发的丁页5井页岩样品作为研究对象,在深度为3740m至3820m之间的垂直井和...

作者:: 赵文龙
文件大小:

Pore structure and fluid distribution of tight sandstone by the combined use of SEM, MICP and X-ray micro-CT（致密砂岩孔隙结构与流体分布的SEM、MICP和X射线显微CT相结合研究）

Pore structure and fluid dist... 2024-01-24

关键词:: Pore structure; Fluid configuration; Multiphase flow; X-ray micro-CT

Tight reservoirs contain considerable hydrocarbon resources, which are characterized by complicated pore structure and heterogeneous fluid distribution in th...

作者:: Yang Su,Ming Zha,Ming Zha,Lin Jiang,Xiujian Ding,Jiangxiu Qu,Jiehua Jin,Stefan Iglauer
文件大小:: 12.9 MiB

Pore Size Distribution of a Tight Sandstone Reservoir and its Effect on Micro Pore-throat Structure: A Case Study of the Chang 7 Member of the Xin’anbian Block, Ordos Basin, China(致密砂岩储层孔径分布及其对微观孔喉结构的影响——以鄂尔多斯盆地新安边区块长7段为例)

Pore Size Distribution of a T... 2024-01-24

关键词:: tight sandstone reservoir; pore size distribution; pore-throat structure; Ordos Basin; Chang 7 member

Pore distribution and micro pore-throat structure characteristics are significant for tight oil reservoir evaluation, but their relationship remains unclear....

作者:: Peng LI,Chengzao JIA,Zhijun JIN,Quanyou LIU,He BI,Min ZHENG,Songtao WU,Zhenkai HUANG
文件大小:: 292.4 KiB