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On the Orientation of Fractures with Transpressional and Transtensional Wrenches in Pre-Existing Faults

On the Orientation of Fractur... 2024-01-24

关键词:: Wrench; Pre-Existing Fault; Wrench Related Fracture; Geometric Relationship

The orientation of fractures with transpressional and transtensional wrenches in pre-existing faults has not been quantitatively determined. Based on Coulomb...

作者:: Shuping Chen
文件大小:: 1.0 MiB

四川盆地磨溪地区龙王庙组储层特征、类型及成因分析

四川盆地磨溪地区龙王庙组储层特征、类型及成因分析 2024-01-24

关键词:: 磨溪地区; 颗粒滩; 溶蚀作用; 裂缝类型; 储层展布

利用四川盆地磨溪地区12口井岩心、8口井成像测井资料、14口井的测井评价等资料,系统分析磨溪地区龙王庙组储层特征,划分了储层类型,探讨了储层形成主控因素,预测了优质储层展布.结果表明:1)川中磨溪地区龙王庙组储层主要岩石类型为中粗晶砂屑白云岩,储层中小洞发育,见到大量的构造缝和水平缝,整体表现为中低孔、中-高渗特...

作者:: 谢武仁,李熙喆,杨威,马石玉,万玉金,郭振华,张满郎,苏楠,武赛军
文件大小:: 5.6 MiB

Chemostratigraphy and sedimentary facies analysis of the Permian Lucaogou Formation in the Jimusaer Sag, Junggar Basin, NW China: Implications for tight oil exploration

Chemostratigraphy and sedimen... 2024-01-24

关键词:: Cheomostratigraphy; Tight oil; Palaeoenvironment; Lucaogou Fm; JimusaerSag; Junggar Basinr

The middle Permian Lucaogou Formation (P2l) in the Jimusaer Sag of the southeastern Junggar Basin, NW China hosts China’s first commercial tight (shale) oil ...

作者:: Chang Liu,Keyu Liu,Xiaoqi Wang,Luya Wu,Yuchen Fan
文件大小:: 5.3 MiB

Coupled effects of temperature and solution compositions on metasomatic dolomitization: Significance and implication for the formation mechanism of carbonate reservoir

Coupled effects of temperatur... 2024-01-24

关键词:: Carbonate reservoir; Dolomitization; Coupled effects; Temperature; Solution compositions; Controlling factors

Dolomitization, as one of the most important diagenetic processes in carbonate reservoirs, is essential for reservoir porosity development and evolution

作者:: Leilei Yang,Linjiao Yu,Keyu Liu,Jihui Jia,Guangyou Zhu,Qi Liu
文件大小:: 13.8 MiB

四川安岳气田龙王庙组颗粒滩岩溶储层发育特征及主控因素

四川安岳气田龙王庙组颗粒滩岩溶储层发育特征及主控因素 2024-01-24

关键词:: 安岳气田; 龙王庙组; 颗粒滩; 储集空间; 岩溶模式; 储层特征; 主控因素

安岳气田磨溪区块下寒武统龙王庙组气藏是迄今为止我国已发现的最大的整装碳酸盐岩气藏。该气藏发育于川中古隆起东端,已探明含气面积805km2,提交探明天然气地质储量4 403.8×108 m3,其高效开发对保障川渝地区的天然气供应具有重要战略意义。龙王庙组储层发育表现出较强的非均质性,不同部位气井产能差异较大。深入开...

作者:: 张满郎,郭振话,张林,付晶,郑国强,谢武仁,马石玉
文件大小:: 12.3 MiB

Reservoir Porosity Measurement Uncertainty and its Influence on Shale Gas Resource Assessment[储层孔隙度测量不确定度及其对页岩气资源评价的影响]

Reservoir Porosity Measuremen... 2024-01-24

关键词:: Reservoir porosity; porosity of a gas shale reservoir; Shale gas resource assessment; measurement uncertainty

Reservoir porosity is a critical parameter for the process of unconventional oil and gas resources assessment. It is difficult to determine the porosity of a...

作者:: Hua TIAN,Caineng ZOU,Shaobo LIU,Feng HONG,Junjia FAN,Lili GUI,Jiaqing HAO
文件大小:: 1.5 MiB

典型碳酸盐岩大气田规模聚集差异性及其主控因素——以四川盆地安岳气田和鄂尔多斯盆地靖边气田为例

典型碳酸盐岩大气田规模聚集差异性及其主控因素——以四川盆地... 2024-01-24

关键词:: 碳酸盐岩; 震旦系; 寒武系; 奥陶系; 安岳气田; 靖边气田; 四川盆地; 鄂尔多斯盆地

四川盆地安岳气田和鄂尔多斯盆地靖边气田分别是中国迄今为止发现的总体规模最大和单层规模最大的两个海相碳酸盐岩特大型气田。基于对成藏体系理论中的气藏源-位结构、油气成藏过程及关键要素时-空配置等的解剖，认为安岳气田和靖边气田发育多种源-位结构，烃源体-圈闭体高效配置，但安岳气田为继承性古隆起上的古油藏裂解气“原位”聚...

作者:: 邹才能,谢增业,李剑,张璐,杨春龙,崔会英,王晓波,郭泽清,潘松圻
文件大小:: 10.3 MiB

Source of dolomitizing fluids and dolomitization model of the upper Permian Changxing and Lower Triassic Feixianguan formations, NE Sichuan Basin, China

Source of dolomitizing fluids... 2024-01-24

关键词:: Rare earth elements; Dolomitizing fluid; Changxing formation; Feixianguan formation; Sichuan Basin

Dolostone reservoirs have been found in the Changxing (P2c) and Feixianguan (T1f) formations in both the east and west platform edges of the Kaijiang-Liangpi...

作者:: Pingping Li,Huayao Zou,Xinya Yu,Fang Hao,Guangwei Wang
文件大小:: 18.6 MiB

碳酸盐岩台地滩坪组合一种快速沉积相分析法

碳酸盐岩台地滩坪组合一种快速沉积相分析法 2024-01-24

关键词:: 滩坪组合; 古水深; 龙王庙组; 中上扬子地区; 碳酸盐岩台地

对中上扬子地区龙王庙组野外岩性识别和镜下薄片鉴定发现，台地沉积相带主要为颗粒滩相、云坪相和灰坪相，受相对海平面升降和古地貌形态影响，广泛发育颗粒滩与云坪组合或颗粒滩与灰坪组合( 简称滩坪组合) 。中国扬子台地、塔里木地台和华北地台三大规模碳酸盐岩台地滩相发育的特殊时期和环境条件，如扬子台地龙王庙期台平、坡...

作者:: 韩波,张军涛,任娜娜,田海芹,汪虎
文件大小:: 766.0 KiB

Origin of deep oil accumulations in carbonate reservoirs within the north Tarim Basin: Insights from molecular and isotopic compositions（塔北碳酸盐岩储层深层油气聚集成因的分子和同位素组成研究）

Origin of deep oil accumulati... 2024-01-24

关键词:: Deep oil accumulation; Alteration process; Thermal maturity

Large amounts of light oil have been produced from carbonate reservoirs at depths below 7 km in the recently discovered Shunbei and Yuecan oil fields within ...

作者:: Bin Cheng,Hua Liu,Zicheng Cao,Xian Wu,Zhonghong Chen
文件大小:: 3.1 MiB

天然气基础地质理论研究新进展与勘探领域

天然气基础地质理论研究新进展与勘探领域 2024-01-24

关键词:: 天然气; 基础地质理论; 新进展; 勘探领域; 古老碳酸盐岩; 致密砂岩; 克拉通; 前陆盆地; 大气田

随着天然气勘探向深层、超深层、非常规等领域拓展,勘探对象日趋复杂,需要不断完善现有的天然气基础地质理论,以指导勘探和发现更多的大气田。为此,"十二五"以来,在开展天然气基础地质理论研究的基础上,分析探讨了今后大气田勘探的重点领域。结果表明:(1)"十二五"以来完善了有机质全过程生烃理论,丰富和发展了干酪根热降解生...

作者:: 李剑,王晓波,戴国齐,杨威,谢增业,李志生,国建英,王义凤,马卫,李君,郝爱胜
文件大小:: 1.4 MiB

Study of the gas sources of the Ordovician gas reservoir in the Central-Eastern Ordos Basin[鄂尔多斯盆地中东部奥陶系气藏气源研究]

Study of the gas sources of t... 2024-01-24

关键词:: Ordos Basin; Majiagou Formation; Carbon isotope kinetics; Gypsum layer; Gas source

The source of the natural gas in the Lower Paleozoic Ordovician strata in the Ordos Basin, China is a controversial issue. In the present study, the genesis ...

作者:: Ji-Jun Li,Zi-Wei Song,Chun-Lin Zhang,Shuang-Fang Lu,Mei-Jun Dong,Shu-Ning Zhang,Jun Jiang
文件大小:: 3.6 MiB

Stratigraphy and depositional evolution of the terminal Ediacaran platform in the central to northern Sichuan Basin, Southwest China

Stratigraphy and depositional... 2024-01-24

关键词:: Lithofacies; Depositional system; Platform evolution; Dengying Formation; Sichuan Basin

The upper Ediacaran Dengying Formation in the Sichuan Basin provides well-preserved sedimentary records for investigating Precambrian microbialites and platf...

作者:: Caijun Lan,Zhehang Xu,Dailin Yang,Weiqiang Yang,Chaojin Lu,Haoru Chen,Pingping Li,Yunlong Wang,Huao Zou
文件大小:: 10.1 MiB

Reactive Transport Modeling of Reflux Dolomitization of Carbonate Platforms: Enlightenment from Yingshan Formation in Shunnan Area, Tarim Basin（碳酸盐岩平台回流白云石化的反应输运模型——来自塔里木盆地顺南地区英山组的启示）

Reactive Transport Modeling o... 2024-01-24

关键词:: Tarim Basin; Lower Yingshan Formation; dolomitization; reﬂux; reactive transport modelling

Dolomite plays an important role in carbonate reservoirs. The topography in the study area creates conditions for reflux dolomitization. The northeastward pa...

作者:: Wenbo Zhang,Guangwei Wang,Zicheng Cao
文件大小:: 11.1 MiB

麦盖提斜坡北新1井吐依洛克组角砾岩储层特征

麦盖提斜坡北新1井吐依洛克组角砾岩储层特征 2024-01-24

关键词:: 储层特征; 角砾岩储层; 膏溶作用; 构造破裂; 吐依洛克组; 麦盖提斜坡; 塔里木盆地

塔里木盆地麦盖提斜坡北新 1 井首次在古近系阿尔塔什组膏盐岩之下揭示了一套吐依洛克组白云质角砾岩和白云岩储层，并且获得油气发现。为明确储层发育特征，利用测试产层段连续取心获得的实物资料，开展储层物性、储集空间、成岩作用及成因研究。结果表明：白云质角砾岩储层具有良好的储层物性；裂缝和溶蚀孔洞主要分布在角砾状粉晶云岩...

作者:: 李慧莉,尤东华,李建交,谭广辉,刘士林
文件大小:: 9.9 MiB

Upwelling-induced organic matter enrichment of the Upper Permian Dalong Formation in the Sichuan Basin, SW China and its paleoenvironmental implications

Upwelling-induced organic mat... 2024-01-24

关键词:: Organic-rich siliceous shales; Trace elements; Paleoproductivity; Redox conditions; Transgression

The organic-rich siliceous rock was developed worldwide during the Late Permian which contains plenty of information about paleoenvironment. This study revea...

作者:: Yamin Yu,Pingping Li,Ruixin Guo,Yizhen Zhao,Shan Li,Huayao Zou
文件大小:: 6.2 MiB

川西坳陷新场气田须家河组五段烃源岩分子地球化学特征

川西坳陷新场气田须家河组五段烃源岩分子地球化学特征 2024-01-24

关键词:: 须家河组五段; 烃源岩; 饱和烃; 芳烃; 成熟度; 三芴系列; 沉积环境; 石油地质

上三叠统须家河组五段是川西坳陷新场气田勘探的热点层系之一.对新场须五段泥质烃源岩进行了分子地球化学分析,结果表明:新场须五段泥岩可溶抽提物姥植比介于0.26～1.70之间,C27-C29规则甾烷中C27和C29甾烷相对含量平均值分别为31.2%和44.6%,伽马蜡烷/C30藿烷比值介于0.11～0.34,MPI1...

作者:: 吴小奇,陈迎宾,刘全有,王萍,曾华盛,王彦青,胡烨,黎华继
文件大小:: 1000.1 KiB

塔中北坡走滑断裂成因机理与油气成藏

塔中北坡走滑断裂成因机理与油气成藏 2024-01-24

关键词:: 分段性; 断裂样式; 油气成藏; 走滑断裂; 塔中地区; 塔里木盆地

塔中北坡发育一系列NE向走滑断裂。为了揭示走滑断裂形成机理及其对油气成藏的影响,在对走滑断裂几何学样式详细解析的基础上,运用物理模拟方法对塔中北坡NE向走滑断裂的演化过程进行了模拟。结果表明,在单一应力状态下,由于差异推挤和基底剪切共同作用,走滑断裂在平面和剖面上发育了不同的样式,沿断裂走向具有分段性特征。结合构...

作者:: 宁飞,金之钧,张仲培,云金表,张继标
文件大小:: 942.2 KiB

鄂尔多斯盆地定北地区上古生界天然气来源

鄂尔多斯盆地定北地区上古生界天然气来源 2024-01-24

关键词:: 鄂尔多斯盆地; 定北地区; 地球化学特征; 天然气成因; 烃源岩; 碳氢同位素

定北地区是中国石化在鄂尔多斯盆地的重要探区之一,近年来该区上古生界天然气勘探取得了重要突破,但对该区天然气成因和来源的研究程度偏低,前人对盆地内上古生界天然气是否发生了大规模侧向运移也存在争议。天然气地球化学特征研究表明,定北地区上古生界天然气为典型干气,干燥系数(C1/C1-5)介于0.977～0.986之间,...

作者:: 吴小奇,倪春华,陈迎宾,朱建辉,李贶,曾华盛
文件大小:: 1.9 MiB

Calcite U-Pb ages constrain petroleum migration pathways in tectonic complex basins（构造复杂盆地中方解石U-Pb年龄对油气运移路径的制约）

Calcite U-Pb ages constrain p... 2024-01-24

关键词:: absolute age; Asia; calcite; carbonates; cementation; China; dates; diagenesis

Tracing secondary oil migration pathways is critical for understanding petroleum system evolution histories. Traditional tools (e.g., molecular indicators an...

作者:: Fuyun Cong,Jinqiang Tian,Fang Hao,Andrew R.C. Kylander-Clark,Wenqing Pan,Baoshou Zhang
文件大小:: 3.1 MiB