数据汇交资源 - 国家冰川冻土沙漠科学数据中心

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

Hydrothermal alteration and hydrocarbon accumulations in ultra-deep carbonate reservoirs along a strike-slip fault system, Tarim Basin, NW China

Hydrothermal alteration and h... 2024-01-24

关键词:: Hydrothermal fluid; TSR-induced porosity; Oil-cracking gases; H2S-bearing condensates; Strike-slip fault; Deep carbonate reservoirs

In recent years, petroleum exploration has extended from shallow to deep reservoirs in the globle petroliferous basins. In contrast to conventional carbonate...

作者:: Jin Su,Xiaomei Wang,Haijun Yang,Fang Yu,Yong Li,Sihong Ma,Caiyun Wei,Na Weng,Yupeng Yang
文件大小:: 23.5 MiB

Initial insights into releasing bound biomarkers from kerogen matrices using microscale sealed vessel catalytic hydrogenation (MSSV-HY)

Initial insights into releasi... 2024-01-24

关键词:: Bound biomarkersMicroscale sealed vessel pyrolysisCatalytic hydrogenationMSSVMSSV-HYSichuan BasinDalong Formation

Microscale Sealed Vessel pyrolysis (MSSV) is a microanalytical technique originally developed for artifi_x0002_cially maturing sedimentary organic matter and...

作者:: Liangliang Wu
文件大小:: 2.0 MiB

Adsorption pore structure and its fractal characteristics of coals by N2 adsorption/desorption and FESEM image analyses

Adsorption pore structure and... 2024-01-24

关键词:: CoalAdsorption pore structureFractal characteristicsN2 adsorption/desorptionField emission scanning electron microscopy

The adsorption pore structure and its fractal characteristics of coals (0.69–2.79% Ro,m) were investigated by N2 adsorption/desorption and field emission sca...

作者:: Zhentao Li
文件大小:: 12.1 MiB

The geochemical characteristics of Tazhong crude oils from the Tarim Basin, northwestern China

The geochemical characteristi... 2024-01-24

关键词:: Aromatic compounds; light crude oils; high maturity; stable carbon/hydrogen isotope; Tarim Basin

Recent exploration work in the Tazhong district has gradually transferred to the exploitation of high and over mature oils in deep and ultra-deep layers. Thi...

作者:: Yungan Liang
文件大小:: 2.1 MiB

Organic geochemical characteristics, mineralogy, petrophysical properties, and shale gas prospects of the Wufeng–Longmaxi shales in Sanquan Town of the Nanchuan District, Chongqing

Organic geochemical character... 2024-01-24

关键词:: Organic geochemicalcharacteristics; mineralogy; Wufeng–Longmaxi shales

Thick marine shales occur in the Wufeng Formation and Long_x0002_maxi Formation of Sanquan Town of the Nanchuan District, Chongqing Municipality, which is lo...

作者:: Yijun Zheng
文件大小:: 8.3 MiB

Modeling the Viscoelastic Behavior of Quartz and Clay Minerals in Shale by Nanoindentation Creep Tests

Modeling the Viscoelastic Beh... 2024-01-24

关键词:: indentation measurementsQuartz and Clay MineralsNanoindentation Creep Tests

The viscoelastic behavior of minerals in shales is important in predicting the macroscale creep behavior of heterogeneous bulk shale. In this study, in situ ...

作者:: Wang Jianfeng
文件大小:: 5.7 MiB

塔里木盆地深层海相轻质油_凝析油的成因机制与控制因素

塔里木盆地深层海相轻质油_凝析油的成因机制与控制因素 2024-01-24

关键词:: 凝析油气藏; 轻质油; 气洗分馏作用; 天然气潜力; 深层勘探; 塔里木盆地

塔里木盆地是中国蕴含丰富海相凝析油的克拉通含油气盆地，目前已在塔北隆起、塔中隆起及其斜坡区的震旦系—三叠系发现６个大型海相凝析油气藏，这些油气藏呈现出轻质油、高含蜡凝析油气、干气—轻质油—挥发性油多种类型油气藏围绕烃源岩有序聚集的特点。基于烷烃损失量计算、凝析油中烃类分子成熟度参数和天然气同位素组成的分析，提...

作者:: 张水昌,苏劲,张斌,王晓梅,何坤
文件大小:: 1.5 MiB