数据汇交资源 - 国家冰川冻土沙漠科学数据中心

川南地区晚奥陶-早志留世沉积环境与古气候的地球化学特征

川南地区晚奥陶-早志留世沉积环境与古气候的地球化学特征 2024-01-24

关键词:: 奥陶-志留纪; 沉积环境; 古气候

奥陶-志留纪之交的地表环境异常活跃, 全球冰川事件、海洋缺氧事件以及生物灭绝等事件频发。为了解扬子地区晚奥陶世海洋沉积环境与古气候之间的关系, 对四川盆地的双河剖面进行了主元素、微量元素分析。古生产力指标(Ba/Al、Ni/Al)表明晚奥陶世扬子海域初级生产力较高, 氧化还原指标(V/Cr、U/Th 和 U-...

作者:: 何龙
文件大小:: 1.9 MiB

Effects of Regional Differences in Shale Floor Interval on the Petrophysical Properties and Shale Gas Prospects of the Overmature Niutitang Shale, Middle-Upper Yangtz Block

Effects of Regional Differenc... 2024-01-24

关键词:: shale gas; permeability; porosity; petrophysical property; Niutitang shale; sealing capacity

The lower Cambrian Niutitang/Qiongzhusi shale gas in the Middle‐Upper Yangtz Block had been regarded as a very promising unconventional natural gas resource ...

作者:: Zheng Y.J.
文件大小:: 6.1 MiB

Mechanical characterization of shale matrix minerals using phase-positioned nanoindentation and nano-dynamic mechanical analysis

Mechanical characterization o... 2024-01-24

关键词:: Dynamic nanoindentationIndentation depthYoung's modulusHardnessShale-constitutive minerals

The accurate determination of mechanical parameters (namely, Young's modulus and hardness) of shale-con- stitutive minerals is crucial for predicting the mac...

作者:: Yang Chao
文件大小:: 1.4 MiB

n-C27 Predominance and 13C enrichment by bicarbonate assimilation of race A of Botryococcus braunii in Chinese Maoming oilshales

n-C27 Predominance and 13C en... 2024-01-24

关键词:: N-alkanesN-C27Botryococcus brauniiRaces A and BIsotopic enrichmentBicarbonate assimilationMaoming Basin

In Maoming oilshales, the presence of races B and L of Botryococcus braunii (B. braunii) was confirmed by the detection of botryococcanes and C40 lycopanes a...

作者:: Jing Liao
文件大小:: 3.4 MiB

Hydrocarbon generation from calcium stearate: Insights from closed-system pyrolysis

Hydrocarbon generation from c... 2024-01-24

关键词:: Carboxylic acid saltsGold-tube pyrolysisCaCO3 enriched in 12CCarboxyl carbonDelayed methane generationDeep oil and gas

Carboxylic acid salts Gold-tube pyrolysis CaCO3 enriched in 12C Carboxyl carbon Delayed methane generation Deep oil and gas

作者:: Wang Qingtao
文件大小:: 12.3 MiB

Geochemical and petrographic evidence for the co-occurrence of races B and L of Botryococcus braunii in the Maoming oil shales, China

Geochemical and petrographic ... 2024-01-24

关键词:: B. brauniiBotryococcanesLycopanesMonoaromatic lycopaneRace BRace LFossils

Around 30 Maoming oil shale samples were collected and analyzed geochemically to investigate their biomarker compositions. C31 and C33 botryococcanes were ab...

作者:: Lu Hong
文件大小:: 4.6 MiB

Petroleum Maturation Processes Simulated by High-Pressure Pyrolysis and Kinetic Modeling of Low-Maturity Type I Kerogen

Petroleum Maturation Processe... 2024-01-24

关键词:: Type I (oil prone) heavy oil (C14+)Type I Kerogen

A low-maturity lacustrine Type I (oil prone) Lucaogou kerogen of deeper Permian source rocks in the Junggar Basin, northwestern China, was selected for the d...

作者:: Zhao Zhongfeng
文件大小:: 3.5 MiB

Quantitative measurement of interaction strength between kaolinite and different oil fractions via atomic force microscopy: Implications for clay-controlled oil mobility

Quantitative measurement of i... 2024-01-24

关键词:: AFMInteractionKaoliniteOilMobility

Clay–oil interaction in unconventional shale reservoir plays a critical role in oil migration, which further governs the exploration of petroleum resource. I...

作者:: Liu Yuke
文件大小:: 23.7 MiB

Simulation of thermochemical sulfate reduction of gaseous hydrocarbons in Wushenqi area, Ordos Basin, China

Simulation of thermochemical ... 2024-01-24

关键词:: thermochemical sulfate; hydrocarbons; Wushenqi area

Prediction of the H2S distribution is critical to lower the risks during petroleum exploration and development in the exploration area. Natural gas of two w...

作者:: Jingli Yao
文件大小:: 1.3 MiB

New insights into hydration-induced creep behavior of shale: A comparison study of brittle black shale and clayey oil shale at micro-scale

New insights into hydration-i... 2024-01-24

关键词:: Brittle shaleOil shaleHydrationCreepNanoindentation

During hydraulic fracturing for shale gas development, water softening and creep deformation of shale rock are two common engineering problems that severely ...

作者:: Liu Yuke
文件大小:: 27.5 MiB

Sedimentary Environment of Cambrian-Ordovician Source Rocks and Ultra-deep Petroleum Accumulation in the Tarim Basin

Sedimentary Environment of Ca... 2024-01-24

关键词:: biomarkers; organic carbon isotopes; compound specific isotopes; marine source rock; deep reservoirs

The Tarim Basin is the only petroliferous basin enriched with marine oil and gas in China. It is presently also the deepest basin for petroleum exploration a...

作者:: Zhang shuichang,Su jin,Wang xiaomei,Ma sihong
文件大小:: 4.4 MiB

Effects of Mississippi valley-type minerogenetic metal sulfates on thermochemical sulfate reduction, studied by hydrous pyrolysis

Effects of Mississippi valley... 2024-01-24

关键词:: TSRHydrous pyrolysis experimentMVTSulfatesFeSO4N-octadecanePyrite

Mississippi valley-type (MVT) ore deposits are epigenetic carbonate-hosted Pb-Zn deposits, that are formed by fluid expulsion from sedimentary sulfide succes...

作者:: Liao Jing
文件大小:: 2.3 MiB

A rapid hydroclimate change and its influence on the Songliao Basin during the Santonian-Campanian transition as recorded by compound-specific isotopes

A rapid hydroclimate change a... 2024-01-24

关键词:: BiomarkersPaleoenvironmentHydrogen isotopesPhotic zone euxiniaWater salinity changeProlonged rainfall event

paleoclimate and paleoenvironment of the Songliao Basin has important theoretical and practical significance to reveal the regional continental climate chara...

作者:: Li Wang
文件大小:: 3.1 MiB

不可溶沥青的分子模型构建: 以四川省西北部广元天然沥青为例

不可溶沥青的分子模型构建: 以四川省西北部广元天然沥青为例 2024-01-24

关键词:: 固体核磁共振; 沥青; 分子结构; 四川省

以四川省西北部广元地区天然沥青为研究对象, 对原始沥青抽提去除可溶有机质后开展了元素分析和固体核磁共振分析, 得到基本参数。结果显示: 富有机质的沥青质结构骨架以脂肪碳和芳香碳为主; 脂肪碳以甲基、亚甲基为主; 芳环簇规模较小, 以小于三环的芳环簇为主。通过元素分析和 NMR 数据, 得到了样品的平均分子式...

作者:: 梁天
文件大小:: 2.3 MiB

Improved Light Hydrocarbons Collection Method for the Pyrolysis of Crude Oil in Gold Tube Closed System Experiments

Improved Light Hydrocarbons C... 2024-01-24

关键词:: Gold tube pyrolys; Thermal alteration Light hydrocarbons; Liquid hydrocarbon collection methods; Light hydrocarbon parameters; Stable carbon isotope

Light hydrocarbons (C6–C13) are the major components of light oils and condensates and contain abundant geochemical information. Hence, they are widely used...

作者:: Huang Y. Y.
文件大小:: 20.8 MiB

Tracing interaction between hydrocarbon and groundwater systems with isotope signatures preserved in the Anyue gas field, central Sichuan Basin, China

Tracing interaction between h... 2024-01-24

关键词:: Noble gases; Hydrocarbon gases; Groundwater age; Gas-water ratio; Gas groundwater interaction

Anyue gas field is a large gas field located in the central Sichuan Basin, China. Although many studies have been carried out previously, the formation mecha...

作者:: Yan Li
文件大小:: 3.0 MiB

Two novel decamethyl henicosanes (C31H64) identified in a Maoming Basin shale, China

Two novel decamethyl henicosa... 2024-01-24

关键词:: Maoming oil shaleNMRDecamethylhenicosanesBotryococcus braunii

Two new C31 branched alkanes (botryococcanes) presumably produced by the B race of Botryococcus braunii were isolated and purified from the Maoming Basin sha...

作者:: Liao Jing
文件大小:: 4.7 MiB

The Rock-Eval Pyrolysis and Hydrocarbon Generation Kinetic of Four Coal Samples from Different Areas, China

The Rock-Eval Pyrolysis and H... 2024-01-24

关键词:: Rock-Eval Pyrolysis; Hydrocarbon Generation; Coa

Rock-Eval pyrolysis and hydrocarbon generation kinetic are effective and extensive methods to evaluate source rock. In this study, we chose four coal sample...

作者:: Yu Sun
文件大小:: 1.3 MiB

Evaluation of multistage characteristics for coalbed methane desorption-diffusion and their geological controls： A case study of the northern Gujiao Block of Qinshui Basin, China

Evaluation of multistage char... 2024-01-24

关键词:: Coalbed methane Desorption-diffusion behaviors Tectonically deformed coal Gujiao block Qinshui basin

Based on the diverse geologic data and on-site desorption experimental results of No. 8 coal seam in northern Gujiao Block, a systematic investigation was c...

作者:: Zhentao Li
文件大小:: 19.0 MiB

Chemical structure evolution of kerogen during oil generation

Chemical structure evolution ... 2024-01-24

关键词:: KerogenMolecular model13C NMRXPSBohai Bay Basin

Kerogen was isolated from the source rock of Well L69, Zhanhua depression, Bohai Bay Basin and an artificialpyrolysis periment was carried out in a closed go...

作者:: Huang Zhenkai
文件大小:: 8.6 MiB