检索结果-南通市图书馆

Hydrogen isotopic characteristics and their genetic relationships for individual n-alkanes in plants and sediments from Zoigê marsh sedimentary environment

引用

Science china Earth sciences 2010年第9期53卷 1329-1334页

作者： duan yi1, zheng chaoyang2 & wu baoxiang1 1 key laboratory of petroleum resources research, institute of geology and geophysics, chinese academy of sciences, lanzhou 730000, china 2 Department of geology, Northwest University, Xi’an 710069, china 1. key laboratory of petroleum resources research Institute of Geology and Geophysics Chinese Academy of Sciences Lanzhou 730000 China2. Department of Geology Northwest University Xi’an 710069 China

To understand internal relations of their hydrogen isotopic compositions in typical marsh environment, we, using GC-IRMS analytical technique, measured the hydrogen isotopes of individual n-alkanes in the herbaceous plant, woody plant leaf, and sediments from Zoigê marsh in china. The results show significant differences in the hydrogen isotopic compositions of n-alkanes among the different kinds of plants and the different species in the same kind. δD values of n-alkanes in the herbaceous plants (from -254‰ to -184‰) are lighter than those in woody plant leaf ( from -195‰ to -142‰ ), and the hydrogen isotopic compositions of n-alkanes in K. tibetica P. are lighter than P. pratensis L. The mean δD values of n-alkanes in the sediments from Zoigê marsh reflect that they were derived from herbaceous plants, which is consistent with the peat samples being composed mainly of herbaceous plant remnants. The significant differences in hydrogen isotopic compositions of n-alkanes among the sedimentary samples are caused possibly by environment factors and the difference in input quantity of different herbaceous plants. A certain negative correlation exists between the δ13C and δD values of n-alkanes in the samples, and plant types can be distinguished using the cross plot of δD vs. δ13C values of n-alkanes in the plants. These data and recognitions provide scientific basis for hydrogen isotopic applied research of individual n-alkanes.

关键词： marsh environment plants sediments individual lipids hydrogen isotopes genetic relationship

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Carbon isotopic characteristics and their genetic relationships for individual lipids in plants and sediments from a marsh sedimentary environment

引用

Science china Earth sciences 2005年第8期48卷 1203-1210页

作者： duan yi1, ZHANG Hui1, zheng chaoyang1, wu baoxiang1 & zheng Guodong2 1. lanzhou institute of geology, chinese academy of sciences, lanzhou 730000, china 2. Department of Earth & Planetary System Science, Graduate School of Science, Hiroshima University, Higashi-Hiroshima 739-85Japan 1. lanzhou institute of geology Chinese Academy of Sciences 730000 Lanzhou China 2. Department of Earth & Planetary System Science Graduate School of Science Hiroshima University 739-8526 Higashi-Hiroshima Japan

The carbon isotopes of individual lipids in herbaceous plants and tree leaves in Ruoergai marsh were measured by the GC-IRMS analytical technique in order to understand the inherent relationships of carbon isotopes between sedimentary and plant lipids from typical marsh environment. The analytical results show that the carbon isotopic compositions of n-alkanes in different kinds of plants differ significantly. Mean δ 13C values of n-alkanes in her-baceous plants (?32.2‰―?36.9‰) are 3.3‰ lower than those in woody plant (?27.2‰― ?35.0‰). The carbon isotopic compositions of fatty acids in organisms (?30.3‰― ?36.2‰) are very similar to those of n-alkanes and the δ 13C values for unsaturated fatty acids are within the range of those for saturated fatty acids. The differences in δ 13C values between plant lipids are obvious and range from 2.4‰ to 7.8‰. It is observed that the carbon isotopic compositions of sedimentary lipids are closely related to those of plant lipids. The carbon isotopic compositions (?27.0‰―?36.9‰) of n-alkanes, ≥C16 fatty acids, n-alkanols, sterols and n-alkanones in the sediments are similar to those of plant lipids and the carbon isotopic compositions of short-chain sedimentary lipids are similar to those of long-chain sedimentary homologues. These indicate that the sedimentary lipids are derived from high plants. However, the δ 13C values of C14:0 and C15:0 fatty acids in the sediments are lighter than those of the same carbon number saturated homologues in plants, reflecting the genetic features partially derived from bacteria. These data provide scientific evidence for carbon isotope-applied research of individual lipids.

关键词： marsh environment, plants, sediments, individual lipids, carbon isotopic compositions, genetic relationships.

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Hydrogen isotopic characteristics and their genetic relationships for individual n-alkanes in plants and sediments from Zoige marsh sedimentary environment

Hydrogen isotopic characteristics and their genetic relation...

引用

中国科学院地质与地球物理研究所第十届(2010年度)学术年会

作者： duan yi~(1*),zheng chaoyang~2 & wu baoxiang~1 1 key laboratory of petroleum resources research,institute of geology and geophysics, chinese academy of sciences,lanzhou 730000,china 2 Department of geology,Northwest University,Xi’an 710069,china

To understand internal relations of their hydrogen isotopic compositions in typical marsh environment,we,using GC-IRMS analytical technique,measured the hydrogen isotopes of individual n-alkanes in the herbaceous plant,woody plant leaf,and sediments from Zoige marsh in *** results show significant differences in the hydrogen isotopic compositions of n-alkanes among the different kinds of plants and the different species in the same kind.δD values of n-alkanes in the herbaceous plants(from -254‰to -184‰) are lighter than those in woody plant leaf(from -195‰to -142‰),and the hydrogen isotopic compositions of n-alkanes in *** *** lighter than *** *** meanδD values of n-alkanes in the sediments from Zoige marsh reflect that they were derived from herbaceous plants,which is consistent with the peat samples being composed mainly of herbaceous plant *** significant differences in hydrogen isotopic compositions of n-alkanes among the sedimentary samples are caused possibly by environment factors and the difference in input quantity of different herbaceous plants.A certain negative correlation exists between theδC andδD values of n-alkanes in the samples, and plant types can be distinguished using the cross plot ofδD vs.δC values of n-alkanes in the *** data and recognitions provide scientific basis for hydrogen isotopic applied research of individual n-alkanes.

关键词： marsh environment plants sediments individual lipids hydrogen isotopes genetic relationship

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

Application of an analytic hierarchy process to hydrocarbon accumulation coefficient estimation

引用

petroleum Science 2010年第3期7卷 337-346页

作者： Gao Yongjin Liu Lifeng Liu Huimin zheng Feifei wu Li Zhou Jingjing Qu Dongfang State key laboratory of petroleum resources and Prospecting China University of Petroleum Beijing 102249 China Geoscience research institute Shengli Oilfield SINOPEC Dongying 257061 China laboratory of Integrated geology and geophysics research China University of Petroleum Beijing 102249 China

The hydrocarbon accumulation coefficient is a key parameter in resources evaluation by genetic techniques. Methods of obtaining its value scientifically have always been an important factor influencing evaluation credibility. In this paper, the hydrocarbon accumulation system is evaluated quantitatively by establishing a hierarchy structure model based on an analytical hierarchy process. The hydrocarbon accumulation system of a higher exploration degree is selected as a calibration area and its hydrocarbon accumulation coefficient can be calculated using methods of hydrocarbon generation potential and reservoir-scale sequence. The hydrocarbon accumulation coefficient of a petroleum accumulation system can be gained by analogy of reservoir forming comprehensive evaluation results with the calibration area. The hydrocarbon accumulation coefficient of each petroleum accumulation system in the upper reservoir-forming combination of the Liaohe Western Sag can be obtained with this method. Practice shows that using the analytical hierarchy process to quantitatively evaluate the hydrocarbon accumulation system and then quantitatively predict the hydrocarbon accumulation coefficient decreases the influence of human factors in resources evaluation, and makes the resources assessment more objective and closer to the actual geological condition.

关键词： Hydrocarbon accumulation coefficient analytical hierarchy process hydrocarbon resourceevaluation hydrocarbon accumulation system Liaohe Western Sag

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Characterization of gases and solid residues from closed system pyrolysis of peat and coals at two heating rates

Characterization of gases and solid residues from closed sys...

引用

中国科学院地质与地球物理研究所第11届（2011年度）学术年会

作者： yi duan~*,baoxiang wu,Jinxian He,Tao Sun key laboratory of petroleum resources research,institute of geology and geophysics,chinese academy of sciences,382 West Donggang Road,lanzhou 730000,china

Closed system gold-tube pyrolysis experiments were performed on a peat and two coals(TY:R = 0.51%;SX:R-0.94%) at temperatures ranging from 337 to 600℃and a pressure of 50 MPa with heating rates of 2 and/or 20℃/*** reaction residues were analyzed *** and chemical and isotopic compositions of the generated gases were also *** three samples had similar thermal evolution *** increasing heating temperature,vitrinite reflectances(VR) of the residues increased linearly from 0.72%to 4.50%.This increase was lesser for the sample with a higher hydrocarbon generation potential and at faster heating *** compositions are dominated by CO and CH throughout the experimental *** gas and CH yields gradually increase with pyrolysis temperature for all *** carbon isotopic compositions of CH generated from the peat are lighter than those from the ***δC(CH) values exhibit a generic evolution pattern which the initial CH is isotopically heavy,then becomes lighter at moderate temperatures,and finally becomes heavier *** produced from the samples at low heating rate has higher transformation ratio than that at high heating rate under the same temperature,so tends to be isotopically heavy after pyrolysis temperature of more than 408℃.

关键词： Pyrolysis Coal Peat Gas generation Vitrinite reflectance

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

Hydrocarbon accumulation in network and its application in the continental rift basin

引用

Science china Earth sciences 2008年第S2期51卷 88-100页

作者： PANG XiongQi1,2,CHEN DongXia1,ZHANG ShanWen3,HAO Fang1,LIU zheng1,LIU keyu3,SONG GuoQi4,WANG YongShi4,LUO XiaoRong5 & wu XiaoChun61 State key laboratory of petroleum Resource and Prospecting,chinese University of petroleum,Beijing 102249,china 2 Basin and Reservoir Center,chinese University of petroleum,Beijing 102249,china 3 SINOPEC Shengli Oilfield,Dongying 257051,china 4 CSIRO petroleum,P. O. Box 1130,Bentley,WA 6102,Australia 5 institute of geology and geophysics,chinese academy of Science,Beijing 100029,china 6 china National petroleum Corporation,Beijing 100724,china chinese Univ Petr State Key Lab Petr Resource & Prospecting Beijing 102249 Peoples R China chinese Univ Petr Basin & Reservoir Ctr Beijing 102249 Peoples R China SINOPEC Shengli Oilfield Dongying 257051 Peoples R China CSIRO Petr Bentley WA 6102 Australia chinese Acad Sci Inst Geol & Geophys Beijing 100029 Peoples R China china Natl Petr Corp Beijing 100724 Peoples R China

The concept of hydrocarbon accumulation in network was presented on basis of the overall analysis of the formation and evolution characteristics of the continental faulted basin and of the systemic re-search on the major controlling factors on the hydrocarbon accumulation. The hydrocarbon accumu-lation in network can be defined as hydrocarbon accumulation in a three-dimensional network system which is constituted by the hydrocarbon migration passages under multiple dynamics,following the hydrocarbon generation from source rocks. The research shows that the hydrocarbon accumulation in network is composed of four elements,i.e.,hydrocarbon source (source rock kitchen),hydrocarbon accumulation terminal (trap),network pathway connecting source and terminal (transporting system),and network potential driving hydrocarbon migration in the network pathway (migration dynamics). Compared with other networks,hydrocarbon accumulation in network has three basic characteristics: the irreversible geological process of material and information flow in the network; the loss of material and information in the flow process in the network; the multiple dynamics in the flow process. Interac-tion of all the elements in the geological process can be called hydrocarbon accumulation in network. There are three basic models for hydrocarbon accumulation in network,that is,hydrocarbon accumu-lation in the network source area,hydrocarbon accumulation in the network pathway,and hydrocarbon accumulation in the network terminal. The key in the application of the hydrocarbon accumulation models in network in practice is to confirm the major accumulation stage and the function range of the four elements controlling the hydrocarbon firstly,to predict the profitable accumulation region by su-perposition of the favorable areas confirmed by four elements consequently,and to evaluate the oil-bearing property of the trap as well as confirm drilling targets. This paper takes the Dongying De-pression in the

关键词： continental rift basin hydrocarbon accumulation theory hydrocarbon network hydrocarbon accumulation in network Bohai Bay Basin

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Thermal simulation of the formation and evolution of coalbed gas

引用

chinese Science Bulletin 2005年第S1期50卷 40-44页

作者： duan yi wu baoxiang zheng chaoyang WANG Chuanyuan key laboratory of Gas Geochemistry Institute of Geology and GeophysicsChinese Academy of SciencesLanzhou 730000China Graduate School of chinese academy of sciences Beijing 100039China

Thermal simulation experiment of gas generation from the peat and the coals were performed using the high temperature and pressure apparatus, at temperature ranging from 336.8-600℃, a pressure of 50MPa and two heating rates of 20℃/h and 2℃/h, and the evolution and formation of coalbed gas components were studied. Results show that for the coals, the gaseous products are mainly composed of hydrocarbon gases. However, for the peat the content of hydrocarbon gases in gaseous products is lower than that of non-hydrocarbon components. In the generated hydrocarbon gases methane is predominant and heavy hydrocarbon gases (C2-5) are present in small amount. Meanwhile, carbon dioxide (CO2) predominates the generated non-hydrocarbon gases, and hydrogen (H2) and sul-furated hydrogen (H2S) are existent in trace amount. It is also observed that temperature is the main factor controlling the evolution of coalbed gas generation. With increasing vitrinite reflectance, methane rapidly increases, CO2 sightly increases, and C2-5 hydrocarbons first increase and then decrease. The peat and Shanxi formation coal have a higher generative potential of coalbed gases than coals and Taiyuan formation coal, respectively, reflecting the effect of the property of organic matter on the characteristics of coalbed gas component generation. In this study, it is found that low heating rate is favorable for the generation of methane, H2 and CO2, and the decomposition of C2-5 hydrocarbons. This shows that heating time plays an important controlling role in the generation and evolution of coalbed gases. The results obtained from the simulation experiment in the study of coalbed gases in natural system are also discussed.

关键词： coalbed gas generation and evolution pyrolysis peat coal heating rate.

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

碳酸盐岩沉积储层研究前沿与未来发展方向

引用

石油与天然气地质 2024年第4期45卷 929-953页

作者：周进高徐哲航黄世伟李文正段军茂朱永进郑剑锋吴东旭常少英中国石油杭州地质研究院浙江杭州310023 中国石油集团公司碳酸盐岩重点实验室浙江杭州310023 中国石油大庆油田公司勘探事业部黑龙江大庆163714

碳酸盐岩蕴藏着丰富的油气资源,是当前和未来油气勘探开发的重要领域。为明确碳酸盐岩沉积储层研究现状,指出未来发展趋势,通过文献调研,分析了碳酸盐岩研究前沿与未来发展方向,研究了国内外碳酸盐岩沉积、储层研究取得的进展。在碳酸... 详细信息

碳酸盐岩蕴藏着丰富的油气资源,是当前和未来油气勘探开发的重要领域。为明确碳酸盐岩沉积储层研究现状,指出未来发展趋势,通过文献调研,分析了碳酸盐岩研究前沿与未来发展方向,研究了国内外碳酸盐岩沉积、储层研究取得的进展。在碳酸盐岩沉积学领域的进展包括:①完善了碳酸盐工厂分类,明确了5类工厂的生产者、生产环境和产物之间的成生关系,为碳酸盐岩沉积环境恢复、源-储确定以及碳酸盐岩“源-汇”体系研究提供了新思路;②系统阐明了微生物造氧固碳、微生物造岩固碳、微生物诱导形成碳酸盐组构以及微生物参与沉积演化的机理,为重建地质历史时期碳循环、大气氧化和生物演化以及碳封存提供了新的理论依据;③建立了盆地级岩相古地理恢复及个性化沉积模式,推动了油气勘探向碳酸盐台地内部和深层-超深层古老碳酸盐岩领域拓展。在碳酸盐岩储层地质学领域的进展是:①创新白云石形成机理,建立了微生物诱导白云石化、溶蚀-沉淀驱动白云石化和高二氧化硅浓度驱动白云石化3种新模式,为破解“白云石问题”提供了新的理论模型;②阐明了沉积相、白云石化、溶蚀作用和构造改造是储层形成的主控因素,明确了微生物岩储层和断控储层形成与分布规律,推动碳酸盐岩油气勘探取得新突破。在碳酸盐岩实验技术方面的进展是:建立了碳酸盐岩矿物铀-铅(U-Pb)同位素定年技术及碳酸盐团簇同位素和Mg、S同位素测试技术,为储层孔隙演化、储层形成过程和成藏演化恢复提供了新的技术方法。研究认为,物理模拟、数值模拟和智能化是碳酸盐岩沉积储层及实验技术的未来发展方向。

关键词：实验技术研究前沿发展方向储层地质学沉积学白云岩微生物岩碳酸盐岩

来源：

维普期刊数据库博看期刊

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

页岩油富集可动性地球化学评价参数探讨——以威利斯顿盆地Bakken组和渤海湾盆地济阳坳陷古近系沙河街组页岩为例

引用

石油与天然气地质 2024年第3期45卷 622-636页

作者：刘惠民包友书黎茂稳李政吴连波朱日房王大洋王鑫页岩油气富集机理与高效开发全国重点实验室山东东营257015 中国石化胜利油田分公司山东东营257000 中国石化胜利油田分公司勘探开发研究院山东东营257015 中国石化石油勘探开发研究院北京102206

地球化学参数是页岩油富集可动性评价的重要指标。通过矿物/页岩抽提残渣混油/烷烃热解实验,以及产油页岩有机试剂抽提前、后热解参数对比正演模拟,剖析威利斯顿盆地Bakken组和渤海湾盆地济阳坳陷古近系沙河街组产油页岩的实例,分析页... 详细信息

地球化学参数是页岩油富集可动性评价的重要指标。通过矿物/页岩抽提残渣混油/烷烃热解实验,以及产油页岩有机试剂抽提前、后热解参数对比正演模拟,剖析威利斯顿盆地Bakken组和渤海湾盆地济阳坳陷古近系沙河街组产油页岩的实例,分析页岩油富集特征与地球化学参数响应,研究评价页岩油富集可动性的含油饱和度指数(OSI)及烃产率指数(PI)下限值。研究表明:页岩中的油在常规热解过程中,除了热解游离烃量(S1)之外,也对热解裂解烃量(S2)有贡献,影响了S2曲线的峰型及热解烃峰值温度(T_(max))。页岩内由于原油富集,造成页岩热解参数呈现出异常高OSI和PI值、异常低T_(max)值,OSI值、PI值及T_(max)值之间具有协同变化的关系。富含油的贫有机质页岩的热解参数异常较为明显,富有机质页岩在总有机碳含量(TOC)达到特定值后OSI和PI值趋于稳定。这些页岩由于液-固相互作用影响了烃类可动性下限值。威利斯顿盆地Bakken组1口井和济阳坳陷沙河街组3口井系统解剖结果表明,这些井页岩油富集可动性的OSI下限值为50~75 mg/g,对应PI下限值为0.12~0.20,页岩油富集可动性的OSI下限与页岩岩性和原油性质密切相关,富碳酸盐页岩具有较低的OSI下限值。

关键词：含油饱和度指数烃产率指数页岩油可动性 Bakken组威利斯顿盆地沙河街组渤海湾盆地

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

四川盆地“槽-隆”控制下的寒武系筇竹寺组页岩储层特征及其差异性成因

引用

石油与天然气地质 2024年第2期45卷 420-439页

作者：何骁郑马嘉刘勇赵群石学文姜振学吴伟伍亚宁诗坦唐相路刘达东中国石油西南油气田分公司四川成都610051 中国石油西南油气田分公司开发事业部四川成都610051 中国石油勘探开发研究院北京100083 中国石油西南油气田分公司页岩气研究院四川成都610051 中国石油大学(北京)油气资源与工程全国重点实验室北京102249

四川盆地寒武系筇竹寺组是继五峰组-龙马溪组后页岩气勘探开发的重要接替层位,目前在德阳-安岳裂陷槽中心和槽缘部署的Z201井和WY1井页岩气勘探取得良好效果,但裂陷槽内筇竹寺组页岩储层发育特征仍不清楚。以槽内中心Z201井和槽缘WY1井... 详细信息

四川盆地寒武系筇竹寺组是继五峰组-龙马溪组后页岩气勘探开发的重要接替层位,目前在德阳-安岳裂陷槽中心和槽缘部署的Z201井和WY1井页岩气勘探取得良好效果,但裂陷槽内筇竹寺组页岩储层发育特征仍不清楚。以槽内中心Z201井和槽缘WY1井为重点,结合其他页岩气勘探开发资料,系统分析了研究区筇竹寺组页岩各小层矿物特征、有机地化特征、储层及储集空间特征、含气性特征。研究结果表明:①筇竹寺组可划分为8个小层,页岩整体以脆性矿物为主,总有机碳含量(TOC)普遍大于1%,为优质烃源岩,且槽内TOC高于槽缘,具备良好的生气条件。②筇竹寺组页岩有机孔与无机孔均发育,槽内孔隙发育更好,具有极高的含气量。1,3,5和7小层黑色页岩储层品质较好,5小层储层品质最优。③德阳-安岳裂陷槽控制了筇竹寺组页岩储层发育,槽内Z201井钻遇的筇竹寺组页岩储层优于槽缘WY1井。④乐山-龙女寺古隆起控制筇竹寺组页岩有机质演化程度,古隆起内筇竹寺组有机质热演化成熟度普遍低于古隆起外,隆起区适中的热演化程度具备大规模富气的条件。筇竹寺组页岩储层各项条件较好,是未来页岩气勘探开发的主要接替区域。

关键词：德阳-安岳裂陷槽乐山-龙女寺古隆起储层特征页岩气筇竹寺组寒武系四川盆地

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：