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Biomarker characteristics of the adsorbed/occluded components of asphaltenes recovered from thermal degradation of kerogen

Biomarker characteristics of ... 2024-01-24

关键词:: Biomarker characteristics; thermal degradation

The adsorbed/occluded components of asphaltene originate from the parent kerogen. Information on the characteristics of these components is critical to the ...

作者:: Y Liu
文件大小:: 1.7 MiB

Experimental study on methane adsorption behaviour of different rank coals under variable temperature and pressure

Experimental study on methane... 2024-01-24

关键词:: Experimental study; methane adsorption; rank coals

To comprehensively study the methane adsorption behaviour of coals under variable temperature and pressure, a series of methane adsorption measurements were...

作者:: Zhentao Li
文件大小:: 1.8 MiB

Distribution and geochemical significance of trace elements in shale rocks and their residual kerogens

Distribution and geochemical ... 2024-01-24

关键词:: Shale _x0002_ Kerogen Trace elements REEs

There is a dearth of information about the dis_x0002_tribution of trace elements in kerogen from shale rocks despite several reports on trace element composi...

作者:: Jianbing Xu
文件大小:: 12.4 MiB

基于PetroMod 四川盆地长宁地区五峰-龙马溪组优质页岩段吸附模拟研究

基于PetroMod 四川盆地长宁地区五峰-龙马溪组优质页岩段吸附模拟研究 2024-01-24

关键词:: PetroMod; 页岩; 吸附能力; 吸附模拟; 五峰-龙马溪组

通过建立长宁地区五峰-龙马溪组优质页岩段地质模型和页岩吸附模型, 利用 PetroMod 软件模拟计算了页岩吸附能力及其油气吸附过程的演化, 系统研究了区域构造-热演化对页岩吸附能力、页岩内部油气组成变化, 以及油气吸附过程的影响。模拟结果显示, 有机质丰度是影响页岩吸附能力的关键因素, 页岩的生烃和有机质...

作者:: 陈承声
文件大小:: 1.7 MiB

黔北习水地区五峰-龙马溪组页岩地球化学与热演化特征及页岩气前景展望

黔北习水地区五峰-龙马溪组页岩地球化学与热演化特征及页岩气前景展望 2024-01-24

关键词:: 五峰-龙马溪页岩; 含气量; 埋藏史; 热演化史; 保存条件; 习水地区

黔北习水地区在五峰-龙马溪组广泛发育优质页岩。本文对习科 1 井和习科 2 井五峰-龙马溪组页岩岩芯样品的地球化学特征、孔隙发育特征和含气量进行了分析, 并评价了该地区的页岩气资源潜力。研究结果表明: 习水地区五峰-龙马溪组优质页岩(TOC > 2%)的厚度约为 30 m, 成熟度较高, 脆性矿物含量高, 孔...

作者:: 史树勇
文件大小:: 1.6 MiB

Isotope evidence for the coupled iron and carbon cycles 1.4 billion years ago

Isotope evidence for the coup... 2024-01-24

关键词:: Isotope evidence; coupled iron; carbon cycles 1.4

Although ferruginous waters were widespread in the deep ocean until 0.58 Ga, massive Fe deposits were rare during the interval from 1.8−0.8 Ga. Here, we repo...

作者:: H.J. Wang,Y.T. Ye,Y. Deng,X.M. Wang,E.U. Hammarlund,H.F. Fan,D.E. Canfield,S.C. Zhang
文件大小:: 15.7 MiB

Remarkable fractionation of hydrogen isotope (δD) of hydrocarbon during fast aromatization process: Insights from the pyrolysis experiments of n-butylcyclohexane

Remarkable fractionation of h... 2024-01-24

关键词:: fast aromatization; hydrogen isotope fractionation; pyrolysis experiments; meteorite PAHs; geochemical implication

Hydrocarbon aromatization involves the cleavage of multiple C− H bonds and the dehydrogenation of aliphatic rings, with a resultant fractionation of stable h...

作者:: Bin Jiang
文件大小:: 3.1 MiB

Fluid phase modeling and evolution of complex reservoirs in the Halahatang Depression of the Tabei Uplift, Tarim Basin

Fluid phase modeling and evol... 2024-01-24

关键词:: Fluid Phase Modeling; Complex Reservoirs; Halahatang

The diversity of fluid phases in the oil-gas system and complexity of petroleum genesis bring difficulties to the exploration and development of oil and gas....

作者:: Rui Deng
文件大小:: 8.3 MiB

Ⅰ型干酪根热成熟过程中拉曼光谱特征及其成熟度意义

Ⅰ型干酪根热成熟过程中拉曼光谱特征及其成熟度意义 2024-01-24

关键词:: 干酪根; 热解; 拉曼光谱; 芦草沟组; 准噶尔盆地

对准噶尔盆地西大龙口剖面芦草沟组低成熟页岩干酪根进行高温高压黄金管热解实验, 开展不同温度点页岩干酪根固体残渣的拉曼光谱研究。有机质的拉曼光谱具有 2 个特征峰, 即 D 峰和 G 峰。随着热模拟温度的增加, 特征峰的峰型都向窄而尖的形态发展, G 峰拉曼位移基本不变, D 峰拉曼位移逐渐减小, D 峰和 G...

作者:: 单云
文件大小:: 564.0 KiB

Geochemical characterization of aromatic hydrocarbons in light crude oil from Tazhong Uplift deep reservoirs, Tarim Basin, NW China

Geochemical characterization ... 2024-01-24

关键词:: aromatic hydrocarbons; light crude oil; Tazhong

The aromatic compounds in the light crude oil samples from the deep Tazhong structural and the Central Uplift zones in the Tarim Basin, NW China, were inve...

作者:: Zhiwei Wei
文件大小:: 1.4 MiB

Comprehensive Understanding of OM-Hosted Pores in Transitional Shale: A Case Study of Permian Longtan Shale in South China Based on Organic Petrographic Analysis, Gas Adsorption, and X‑ray Diffraction Measurements

Comprehensive Understanding o... 2024-01-24

关键词:: X‑rayDiffraction Measurements

Marine-continental transitional (hereinafter referred to as transitional) Permian shales are the important targets for shale gas in China. However, the natur...

作者:: Yang Chao
文件大小:: 11.3 MiB

Pyrolysis involving n-hexadecane, water and minerals: Insight into the mechanisms and isotope fractionation for water-hydrocarbon reaction

Pyrolysis involving n-hexadec... 2024-01-24

关键词:: Hydrous pyrolysis; Water-hydrocarbon reaction; Thermodynamic; Isotope fractionation

To ascertain the effects of minerals and dissolved salts on gas generation from water-hydrocarbon reaction, a series of pyrolysis of n-C16 with water and dif...

作者:: Kun He,Shuichang Zhang,Jingkui Mi,Wenlong Zhang
文件大小:: 1.1 MiB

Characterization of chemical and carbon isotopic compositions of gases during thermochemical sulfate reduction and implications for gas origin and content

Characterization of chemical ... 2024-01-24

关键词:: carbon isotopic; gas origin; sulfate reduction

For identifying the occurrence and extent of thermochemical sulfate reduction (TSR) reaction of natural gas and better understanding the chemical and carbon...

作者:: Huijuan Guo
文件大小:: 2.4 MiB

The Mesoproterozoic Oxygenation Event

The Mesoproterozoic Oxygenation Event 2024-01-24

关键词:: Earth system; Mesoproterozoic; Oxygen; North China; Yanliao Basin; Xiamaling Formation; GaoyuzhuangFormation

The accumulation of oxygen is one of the most important characteristics that distinguish Earth from other planets in the solar system, which is also consider...

作者:: Shuichang ZHANG,Huajian WANG,Xiaomei WANG,Yuntao YE
文件大小:: 7.5 MiB

Hydrocarbon generation characteristics of solid bitumen and molecular simulation based on the density functional theory.

Hydrocarbon generation charac... 2024-01-24

关键词:: Solid bitumenHydrocarbon generation; Molecular mode; lDFTRaman spectroscopy

In this study, a series of 3D molecular models of solid bitumen from the Sichuan Basin were established using solid-state 13C nuclear magnetic resonance (NMR...

作者:: Liang Tian
文件大小:: 22.1 MiB

Hydroconversion for Hydrocarbon Generation of Highly Overmature Kerogens under Fischer−Tropsch Synthesis Conditions

Hydroconversion for Hydrocarb... 2024-01-24

关键词:: Fischer−Tropsch Synthes; Conditionshy; drocarbon production of kerogen

In order to explore the possibility of continuous hydrocarbon generation from highly mature organic matter, a series of simulation experiments of hydroconver...

作者:: Li Kang
文件大小:: 2.4 MiB

Did high temperature rather than low O2 hinder the evolution of eukaryotes in the Precambrian

Did high temperature rather t... 2024-01-24

关键词:: Proterozoic eukaryote evolution; Boring billion; Habitable earth; Photosynthetic algae; Atmospheric oxygen; Oceanic temperature

The emergence and diversity of eukaryotes that occurred in the Proterozoic Eon (2.5–0.541 Ga) are the most important parts of life’s evolution on the Earth. ...

作者:: Fenglian Zhang,Huajian Wang,Yuntao Ye,Yuke Liu,Yitong Lyu,Yan Deng,Dan Lyu,Xiaomei Wang,Huaichun Wu,Shenghui Deng,Shuichang Zhang
文件大小:: 3.6 MiB

Comparison of the main factors controlling the Wufeng–Longmaxi formation shale gas contents between Changning and Fuling of the Sichuan Basin

Comparison of the main factor... 2024-01-24

关键词:: Changning and Fuling; Wufeng

Changning and Fuling are two of the best-known shale gas fields in China, located at two different depositional centers of the Upper Ordovician Wufeng Format...

作者:: Yijun Zheng
文件大小:: 5.5 MiB

Molecular Simulation of Resin and the Calculation of Molecular Bond Energy

Molecular Simulation of Resin... 2024-01-24

关键词:: amberResin

In this study, average structural characteristics of amber were researched and used as an example to establish the three-dimensional (3D) average structure o...

作者:: Liang Tian
文件大小:: 6.8 MiB

Assessment the gas potential of coal-bearing mudstones from upper paleozoic in ordos basin via gold-tube pyrolysis

Assessment the gas potential ... 2024-01-24

关键词:: Gas potentialCoal measure mudstonesCarbonaceous mudstoneDark mudstoneOrdos basinGold-tube pyrolysis

Previous natural gas explorations in Ordos Basin were conducted in areas with thick coal deposited. Recently, natural gas flow were discovered in southern ba...

作者:: Wang Qingtao
文件大小:: 10.8 MiB