数据汇交资源 - 国家冰川冻土沙漠科学数据中心

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

Contrasting Mo–U enrichments of the basal Datangpo Formation in South China: Implications for the Cryogenian interglacial ocean redox

Contrasting Mo–U enrichments ... 2024-01-24

关键词:: Cryogenian; Datangpo Formation; Pyrite framboid; Trace elements; Seafloor redox; Nanhua Basin

Paleoredox reconstructions of Neoproterozoic successions have been the subject of long-standing debates, especially concerning the precise timing of ocean ve...

作者:: Yuntao Ye,Huajian Wang,Lina Zhai,Xiaomei Wang,Chaodong Wu,Shuichang Zhang
文件大小:: 2.7 MiB

The evolution of chemical groups and isotopic fractionation at different maturation stages during lignite pyrolysis

The evolution of chemical gro... 2024-01-24

关键词:: Isotopic fractionation kinetics; Thermodynamic equilibrium; Density function theory; FTIR detection; Gold-tube pyrolysis

In this study, the evolution of different chemical groups and isotopic fractionation at different maturation stages of coals were investigated by gold-tube p...

作者:: Kun He,Shuichang Zhang,Jingkui Mi,Wenlong Zhang
文件大小:: 3.6 MiB

An efficient approach to eliminate steryl ethers and miscellaneousesters/ketones for gas chromatographic analysis of alkenonesand alkenoates

An efficient approach to elim... 2024-01-24

关键词:: AlkenonesSteryl ethersClean-upSilver thiolate chromatographic materialPaleotemperature reconstructions

Long-chain alkenones (LCAs) and alkenoates (LCEs) are highly valuable biomarkers for paleotemperature reconstructions. A major problem, however, for accurate...

作者:: Li Wang
文件大小:: 3.5 MiB

Molecular structure and origin of solid bitumen from northern Sichuan Basin

Molecular structure and origi... 2024-01-24

关键词:: Solid bitumenMolecular structure13C NMRSourceSichuan basin

Four natural solid bitumen samples were collected from the Guangyuan area (northwest Sichuan Basin, south- west China) to characterize their structure. Sampl...

作者:: Liang Tian
文件大小:: 16.3 MiB

Using noble gases to trace groundwater evolution and assess helium accumulation in Weihe Basin, central China

Using noble gases to trace gr... 2024-01-24

关键词:: Noble gases; Helium accumulation; Oil-water fractionation; Weihe Basin

The severe shortage of helium resources is an impending global problem. However, the helium accumulation processes and conditions favorable for helium enrich...

作者:: Wen Zhang
文件大小:: 4.1 MiB

Neoproterozoic stratigraphic frame- work of the Tarim Craton in NW China: Implications for rift evolution

Neoproterozoic stratigraphic ... 2024-01-24

关键词:: Neoproterozoic; Rift basin; Stratigraphy; Evolution; Tarim; Rodinia

The Tarim Craton is overlain by thick Neoproterozoic sedimentary successions in rift tectonic setting. This study examines the latest outcrop, seismic, and d...

作者:: Lin Wu,Shuwei Guan,Shuichang Zhang,Haijun Yang,Jiuqiang Jin,Xiaodan Zhang,Chunyu Zhang
文件大小:: 7.7 MiB

Variations in pore structure of marine shale from the same horizon of the Longmaxi Formation with changing position in a small-scale anticline

Variations in pore structure ... 2024-01-24

关键词:: Structural deformation Pore; volume Specific surface area Pore size; distribution Shale gas

Nanopores are well developed in shale, and are influenced by many rock properties, such as mineral composition, TOC (Total Organic Carbon) and thermal matur...

作者:: Shuyong Shi
文件大小:: 21.1 MiB

A post-synthesis modification method of molecular sieve 13X for enriching hopanoids in petroleum

A post-synthesis modification... 2024-01-24

关键词:: Molecular sieve; Modification; Enrich; Hopanoids; Petroleum

In this study, alkali/acid treatment and ion exchange post-synthesis modification methods to modify the pore diameter and structure of molecular sieve 13X (M...

作者:: Yu Fang,Ling Huang,Yanhua Shuai,Bin Zhang,Honggang Nie,Jin Li,Caiyun Wei,Huajian Wang,Wenlong Zhang
文件大小:: 3.7 MiB

The 10th International Conference on Petroleum Geochemistry and Exploration in the Afro-Asian Region (AAAPG 2019)

The 10th International Confer... 2024-01-24

关键词:: Fossil fuel resources; petroleum accumulation and alteration

The 10th International Conference on Petroleum Geochemistry and Exploration in the Afro-Asian Region (AAAPG2019) is an international forum where the latest ...

作者:: Yunpeng Wang
文件大小:: 1010.3 KiB

Progress in the Application of Gas Geochemistry to Geothermal, Tectonic and Magmatic Studies

Progress in the Application o... 2024-01-24

关键词:: Tectonicand Magmatic Studies; extraction; gas exploitation

Gas geochemistry and their associated isotope systematics are developing into powerful tools to understand geological/environmental processes and affirm sour...

作者:: Yunpeng Wang
文件大小:: 243.9 KiB

Oil generation model of the liptinite-rich coals: Palaeogene in the Xihu Sag,East China Sea Shelf Basin

Oil generation model of the l... 2024-01-24

关键词:: Xihu sagLiptinite-rich coalsOil generation potentialConfined pyrolysis experiments in gold tubesLiquid hydrocarbons generation history

Hydrocarbon generation from liptinite-rich coal is an important focus in petroleum geology as well as in coal geology. The confined pyrolysis experiment in g...

作者:: Li Shuxia
文件大小:: 24.4 MiB

Simulation of Hydrocarbon Generation and Expulsion by Miniature Oil Shale Core Cylinders Retaining Source Rock Minerals and Fabrics

Simulation of Hydrocarbon Gen... 2024-01-24

关键词:: pyrolysis experimentshydrocarbon expulsionOEE ranging

In conventional pyrolysis experiments to simulate the hydrocarbon generation, carbonates and silicates are removed by acids to avoid interference in measurem...

作者:: Xinran Liu
文件大小:: 3.8 MiB

Reconstruction of the evolution of deep fluids in light oil reservoirs in the Central Tarim Basin by using PVT simulation and basin modeling

Reconstruction of the evoluti... 2024-01-24

关键词:: Fluid compositionBasin modelingPVT simulationLight oil reservoirsTarim Basin

To better understand the fluid phase state and its evolution in a deep environment, an integrated PVT simulation and basin modeling method for two light oil ...

作者:: Chengsheng Chen
文件大小:: 4.6 MiB