数据汇交资源 - 国家冰川冻土沙漠科学数据中心

Identification of a novel undecamethylhenicosane and three oxygenated precursors in a Maoming Basin shale, China

Identification of a novel und... 2024-01-24

关键词:: C32 botryococcane; C32 botryococcanalC31 botryococcano; lNMRBacterial degradation; Maoming Basin

Further to our recent identification of a C33 botryococcane, a C33 botryococcan-24-one and two C31 botryococcanes (2,3,6,7,10,12,15,16,19,20-decamethylhenico...

作者:: Liao Jing
文件大小:: 4.1 MiB

Resin composition: An indicator of oil maturity as revealed by fourier transform ion cyclotron resonance mass spectrometry

Resin composition: An indicat... 2024-01-24

关键词:: Resin; Pyrolysis; FT-ICR MS; Heteroatom compound; Maturity; DBE

A pyrolysis experiment was carried out on a Dongying Depression kerogen 8 sample to separate the resin from the oil. Fourier transform ion cyclotron resonanc...

作者:: Liang Tian
文件大小:: 10.1 MiB

A comprehensive re-understanding of the OM-hosted nanopores in the marine Wufeng–Longmaxi shale formation in South China by organic petrology, gas adsorption, and X-ray diffraction studies

A comprehensive re-understand... 2024-01-24

关键词:: Wufeng–Longmaxi shaleOM-hosted nanoporesSEM imagingMethane adsorptionN2–CO2 adsorptionX-ray diffraction

The overmature marine Ordovician–Silurian Wufeng–Longmaxi (WF–LMX) formation shale is the most im- portant exploration target for shale gas in South China. I...

作者:: Yang Chao
文件大小:: 17.4 MiB

纳米压痕技术在页岩力学性质表征中的应用进展

纳米压痕技术在页岩力学性质表征中的应用进展 2024-01-24

关键词:: 试验制度; 微观力学性能; 蠕变特征; 流体/页岩相互作用; 纳米压痕技术; 储层压裂; 页岩

近年来，随着力学测试技术的不断发展，微观材料科学研究中广泛应用的纳米压痕技术被引入到页岩研究领域，成为测试页岩表面微观力学性质的重要手段。从微观视角去研究页岩的力学性能已成为当下的研究热点之一。为此，梳理了页岩样品的制备方法和压痕试验制度对测试结果的影响，详细论述了纳米压痕技术在页岩中微观力学和蠕变性能表征方...

作者:: 王建丰
文件大小:: 1.5 MiB

Interaction between Organic Solvents and Three Types of Kerogen Investigated via X-ray Diffraction

Interaction between Organic S... 2024-01-24

关键词:: X‑ray Diffractionsorb; hydrocarbonvia; X-ray diffraction (XRD)

In this work, for the first time, a new swelling method was applied to study the chemical structure of kerogen. Structural changes during the swelling proces...

作者:: Liang Tian
文件大小:: 5.2 MiB

Multi-Element Imaging of a 1.4 Ga Authigenic Siderite Crystal1.4 Ga

Multi-Element Imaging of a 1.... 2024-01-24

关键词:: siderite; iron; crystallization; multi-element imaging; LA-ICP-MS; Mesoproterozoic; Xiamaling Formation; dissimilatory iron reduction

Iron formations (IFs) are traditionally considered to be limited during 1.8􀀀0.8 Ga. However, there are recent reports of siderite-dominated IFs within this t...

作者:: Huajian Wang,Yuntao Ye,Yan Deng,Yuke Liu,Yitong Lyu,Fenglian Zhang,Xiaomei Wang and Shuichang Zhang
文件大小:: 4.1 MiB

Organic Matter accumulation mechanism in the lower cambrian strata from Well luntan 1 in the Tarim Basin NW China

Organic Matter accumulation m... 2024-01-24

关键词:: Luntan 1; Tarim Basin; Lower Cambrian

A large amount of light crude oils have been found within 4000 to 7000 m deep strata of Cambrian, Ordovician, and Silurian reservoirs in the Tarim Basin, NW ...

作者:: Qian Deng
文件大小:: 1.3 MiB

Effect of thermal maturation on chemical structure and nanomechanical properties of solid bitumen

Effect of thermal maturation ... 2024-01-24

关键词:: Solid bitumenNanomechanical propertiesChemical structureMaturation

An abundance of organic matter is present as solid bitumen in highly mature shales. Changes in chemicalstructure of solid bitumen during catagenesis could al...

作者:: Liu Yuke
文件大小:: 3.4 MiB

Lower limit of thermal maturity for the carbonization of organic matter in marine shale and its exploration risk

Lower limit of thermal maturi... 2024-01-24

关键词:: Lower Silurian; Longmaxi Formation; marine shale; thermal maturity; organic matter carbonization; resistivity logging; explorationrisk

Based on the drilling data of the Silurian Longmaxi Formation in the Sichuan Basin and periphery, SW China, the Ro lower limits and essential features of the...

作者:: WANG Yuman,LI Xinjing,CHEN Bo,WU Wei,DONG Dazhong,ZHANG Jian,HAN Jing,MA Jie,DAI Bing,WANG Hao,JIANG Shan
文件大小:: 2.3 MiB

Multielement Imaging Reveals the Diagenetic Features and Varied Water Redox Conditions of a Lacustrine Dolomite Nodule

Multielement Imaging Reveals ... 2024-01-24

关键词:: Multielement Imaging Reveals; Diagenetic Features; Varied Water Redox Conditions; Lacustrine Dolomite Nodule

The genesis of dolostone has long been puzzling for more than two centuries. Although much work has been done on investigating the process of dolomitization,...

作者:: Yuke Liu,Wenyuan He,Jinyou Zhang,Zhenwu Liu,Fazi Chen,Huajian Wang,Yuntao Ye,Yitong Lyu,Zhiyong Gao,Zhichao Yu,Lina Bi and Shuichang Zhang
文件大小:: 7.4 MiB

Stable Carbon Isotopic Fractionation and Hydrocarbon Generation Mechanism of CO2 Fischer-Tropsch-Type Synthesis under Hydrothermal Conditions

Stable Carbon Isotopic Fracti... 2024-01-24

关键词:: CO2 Fischer−Tropsch-TypeCO FTHydrothermal Conditions

A series of gold-tube isothermal laboratory experiments at 370 °C and 50 MPa were carried out to investigate the stable carbon isotope fractionation during t...

作者:: Zhao Zhongfeng
文件大小:: 3.0 MiB

The effects of minerals on oil cracking in confined pyrolysis experiments

The effects of minerals on oi... 2024-01-24

关键词:: minerals; oil cracking; pyrolysis experiments

Confined pyrolysis experiments of oil in the presence and absence of minerals were conducted to reveal the effects of minerals on the oil cracking process. ...

作者:: Xinyan Fang
文件大小:: 1.6 MiB

Thermal alteration of biomarkers in the presence of elemental sulfur and sulfur-bearing minerals during hydrous and anhydrous pyrolysis

Thermal alteration of biomark... 2024-01-24

关键词:: Sulfur alteration of biomarkerBiomarker concentrationBiomarker distribution

Although elemental sulfur and sulfur-bearing minerals are not the main constituents of sedimentary rock, they are still important for the formation and destr...

作者:: Liangliang Wu
文件大小:: 6.1 MiB

The transition from hydrothermal oxic conditions to restricted euxinia in the lower cambrian yurtus formation black shale, Tarim Basin

The transition from hydrother... 2024-01-24

关键词:: Redox conditions; Hydrothermal influences; Phosphate nodules; Photic zone euxinia (PZE); Oxygenation; Stratified ocean

The Yurtus Formation is generally believed as one of the most potential hydrocarbon source rocks under the Cambrian gypsum-salt bed in the Tarim Basin of Chi...

作者:: Yu Fang,Jin Su,Xiaomei Wang,Sihong Ma,Chunlong Yang,Shuichang Zhang
文件大小:: 13.5 MiB

The volume and geochemical characteristics of desorption gases from Wufeng-Longmaxi (O3w-S1l) shale in the Xishui Area, North Guizhou, China

The volume and geochemical ch... 2024-01-24

关键词:: Wufeng–Longmaxi (O3w-S1l) shale; desorption gases; thermogenic origin; shale gas; isotopic reversal; thermal maturity

The Upper Ordovician–Lower Silurian Wufeng–Longmaxi (O3w-S1l) shale is widely distributed in the Xishui area, north Guizhou, China. However, the potential an...

作者:: Shuyong Shi
文件大小:: 5.1 MiB

Two new isoprenoidal ketones related to Botryococcus braunii in the Chinese Maoming Basin

Two new isoprenoidal ketones ... 2024-01-24

关键词:: Shortened oxygenated botryococcenoids; Chinese Maoming basinNMR spectroscopy; Pathway

We report the spectroscopy-based (NMR, HRMS, IR) reassignment of the structures of two previously mis-identified saturated methyl ketones (formerly C15 keton...

作者:: Liao Jing
文件大小:: 3.1 MiB

Phase behavior simulation of light oil in the process of gas injection by using PVT simulation

Phase behavior simulation of ... 2024-01-24

关键词:: Natural gas; light oil; PVT simulation

For studying the phase behavior of light oil in the process of gas injection, a series of phase models was built by PVTsim software for understanding the ev...

作者:: Chengsheng Chen
文件大小:: 1.0 MiB

Understanding pore evolution in a lacustrine calcareous shale reservoir in the oil window by pyrolyzing artificial samples in a semi-closed system

Understanding pore evolution ... 2024-01-24

关键词:: Lacustrine calcareous shaleShale oilPore evolutionDissolution poresOil saturationLucaogou Formation

Calcareous shale is a favorable target for shale oil exploration, because shale oil moves more easily in calcareous shale than in clay-rich shale and the hig...

作者:: Wang Taoli
文件大小:: 23.6 MiB

Different accumulation mechanisms of organic matter in Cambrian sedimentary successions in the western and northeastern margins of the Tarim Basin, NW China

Different accumulation mechan... 2024-01-24

关键词:: Organic matter accumulation; Stable organic/inorganic carbon; otope distribution Lower Cambrian strata Tarim Basin

Lower Cambrian black shales are widely distributed in the Tarim Basin, but those in the Keping area in the west have a high total organic carbon (TOC) conte...

作者:: Deng Q
文件大小:: 19.5 MiB

Use of ESI FT–ICR MS to investigate molecular transformation in simulated aerobic biodegradation of a sulfur-rich crude oil

Use of ESI FT–ICR MS to inves... 2024-01-24

关键词:: BiodegradationFT–ICR MSOrganic sulfur compoundSulfur-rich crude oil

Achieving an understanding of the biodegradation of organic sulfur compound(s) (OSC) in crude oils has been hampered by limitations in separation methods and...

作者:: Weimin Liu
文件大小:: 2.9 MiB