检索结果-南通市图书馆

Abnormal high pressure in Kuqa foreland thrust belt of Tarim basin: Origin and impacts on hydrocarbon accumulation

Progress in Natural Science:Materials International 2006年第12期16卷 1307-1314页

作者： ZENG Lianbo~1** and LIU Benming~ 1,2.(1. Key Laboratory of Hydrocarbon Accumulation in china petroleum University, Ministry of Education, {2. 102.49, china 2. The institute of Oil and Gas Exploration and development, Tarim Oilfield Company, petrochina Company Limited, Korla 841000, china) [a]Ministry of Education Key Laboratory of Hydrocarbon Accumulation in China Petroleum University Beijing China [b]The institute of Oil and Gas Exploration and development Tarim Oilfield Company PetroChina Company Limited Korla China

Following analyses of the abnormal high pressure distribution characteristics, based on the geological characteristics, tectonic stress field and physical simulation, we investigated the formation mechanisms of abnormal high pressure and its impacts on hydrocarbon accumulation in the Kuqa foreland thrust belt. The abnormal high pressure appears at the bottom of the Paleogene and obviously exists in the Triassic and Jurassic. However, the pressure coefficient in the Triassic and Jurassic is lower than that in the Cretaceous and at the bottom of the Paleogene. Horizontally, the abnormal high pressure distribution is characterized by E-W orientation zoning. The maximum pressure coefficient lies in the Kelasu-Dongqiu-Dina tectonic zones in the center of the Kuqa foreland thrust belt and decreases away from the tectonic zones. The formation of abnormal high pressure was mainly related with the intense tectonic compression in the Early Pleistocene time, and tectonic uplifting, undercompaction and hydrocarbon generation were secondary factors contributing to abnormal high pressure. Under the rapid and intense tectonic compression in the Early Pleistocene, the rock framework firstly undertook 1/4 of the compression stress and the other was borne by the pore fluids. Due to the presence of great seal of gypsum-salt or gypsum-mudstone beds in the Paleogene, the pressure of pore fluids increased rapidly and led to the abnormal high pressure in the Kuqa foreland thrust belt. The abnormal high pressure has important impacts on hydrocarbon accumulation. It is one of the necessary conditions for formation of large oil and gas fields in the Kuqa foreland thrust belt.

关键词： abnormal high pressure formation mechanism oil and gas reservoir Kuqa foreland thrust belt Tarim basin.

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Hydrogen isotopic compositions, distributions and source signals of individual n-alkanes for some typical crude oils in Lunnan Oilfield, Tarim Basin, NW china

引用

Science china Earth Sciences 2005年第8期48卷 1220-1226页

作者： LU Hong1, LI Chao1, SUN Yongge1, PENG Ping’an1 & XIAO Zhongyao2.1. State Key Laboratory of Organic Geochemistry, Guangzhou institute of Geochemistry, Chinese Academy of Sciences, Guangzhou510640, china 2. Tarim {2. institute of Exploration and development of petroleum, china petroleum, Korla 841000, china 1. State Key Laboratory of Organic Geochemistry Guangzhou Institute of Geochemistry Chinese Academy of Sciences 510640 Guangzhou China 2. Tarim research institute of Exploration and {2. of petroleum China Petroleum 841000 Korla China

Isotopic compositions of carbon-bound hydrogen in individual n-alkanes from sev-eral typical crude oil samples from Lunnan Oilfield, Tarim Basin, NW china, were firstly measured using newly developed gas chromatography-thermal conversion-isotope ratio mass spectrometry. The similar range of δ D of individual n-alkanes of crude oils among reservoirs of different geo-logical times reflects that hydrocarbons are all derived from the same marine depositional envi-ronment. Compared to the theoretic value (?150‰) and the reported δ D values (nC13―nC2., ?160‰―?90‰) of individual n-alkanes for Ordovician-sourced crude oils in the Canadian Wil-liston Basin, the hydrogen isotopic composition of individual n-alkanes in crude oils from Lunnan Oilfield is characterized by heavy hydrogen isotopic values (nC12.nC2., ?12.‰―?60‰). In terms of the factors that control the fractionation of hydrogen isotopes, relatively saline deposi-tional environment and higher thermal maturation were attributed to the heavy δ D values of in-dividual n-alkanes in crude oils from Lunnan Oilfield.

关键词： hydrogen isotopes, individual n-alkanes, distribution, hydrocarbon source, Lunnan Oilfield.

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

TTHE METHODOLOGY OF petroleum development GEOLOGY(Ⅲ)

引用

石油勘探与开发 1996年第4期 78-82页

作者： Qiu Yinan (research institute of {2. Exploration and development, CNPC, beijing, 100083, P.R.china)

ＴＨＥ　ＭＥＴＨＯＤＯＬＯＧＹ　ＯＦ　ＰＥＴＲＯＬＥＵＭ　ＤＥＶＥＬＯＰＭＥＮＴ　ＧＥＯＬＯＧＹ（Ⅲ）ＴＨＥＭＥＴＨＯＤＯＬＯＧＹＯＦＰＥＴＲＯＬＥＵＭＤＥＶＥＬＯＰＭＥＮＴＧＥＯＬＯＧＹ（Ⅲ）￥ＱｉｕＹｉｎａｎ（Ｒ...

ＴＨＥ　ＭＥＴＨＯＤＯＬＯＧＹ　ＯＦ　ＰＥＴＲＯＬＥＵＭ　ＤＥＶＥＬＯＰＭＥＮＴ　ＧＥＯＬＯＧＹ（Ⅲ）ＴＨＥＭＥＴＨＯＤＯＬＯＧＹＯＦＰＥＴＲＯＬＥＵＭＤＥＶＥＬＯＰＭＥＮＴＧＥＯＬＯＧＹ（Ⅲ）￥ＱｉｕＹｉｎａｎ（ＲｅｓｅａｒｃｈＩｎｓｔｉｔｕｔｅｏ...

关键词：

来源：

同方期刊数据库评论

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Propagation characteristics of converted refracted wave and its application in static correction of converted wave

引用

Science china Earth Sciences 2008年第S2期51卷 226-232页

作者： LIU Yang1,2.& WEI XiuCheng3 1 State Key Laboratory of petroleum Resource and Prospecting,china University of petroleum,beijing 102.49,china 2.CNPC Geophysical Exploration Key Laboratory,china University of petroleum,beijing 102.49,china 3 Exploration and Production research institute,SINOPEC,beijing 100083,china china Univ Petr State Key Lab Petr Resource & Prospecting Beijing 102249 Peoples R China china Univ Petr CNPC Geophys Explorat Key Lab Beijing 102249 Peoples R China SINOPEC Explorat & Prod Res Inst Beijing 100083 Peoples R China

Three-component seismic exploration through P-wave source and three-component geophone is an effective technique used in complicated reservoir exploration. In three-component seismic exploration data processing,one of the difficulties is static correction of converted wave. This paper analyzes propagation characteristics of non-converted and converted refracted waves,and discovers a favor-able condition for the formation of converted refracted wave,i.e. the velocity of overlaying medium S wave is much lower than that of underlying medium S wave. In addition,the paper proposes the static correction method of converted wave based on PPS converted refracted wave,and processes the real three-component seismic data with better results of static correction of converted wave.

关键词： PPS converted refracted wave converted wave static correction

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

Preliminary study on the origin identification of natural gas by the parameters of light hydrocarbon

引用

Science china Earth Sciences 2008年第S1期51卷 131-139页

作者： HU GuoYi 1,2.3 ,LI Jian 1,2.,LI Jin 1,2.,LI ZhiSheng 1,2.,LUO Xia 1,2.,SUN QingWu 1,2.&MA ChengHua 1,2.1 research institute of {2. Exploration and development(Langfang Branch),petrochina,Langfang 065007,china 2.The Key Laboratory of Gas Formation and development,petrochina,Langfang 065007,china 3 College of Geo-Resources and Information,china University of {2.,beijing 102.00,china petrochina Res Inst Petr Explorat & Dev Langfang Branch Langfang 065007 Peoples R China petrochina Key Lab Gas Format & Dev Langfang 065007 Peoples R China china Univ Petr Coll Georesources & Informat Beijing 102200 Peoples R China

The light hydrocarbon composition of 2.9 natural gas samples and individual light hydrocarbon carbon isotopes of 53 natural gas samples from typical humic-sourced gas and sapropelic-sourced gas in the four basins of china have been determined and *** identification parameters for humic-sourced gas and sapropelic-sourced gas are proposed or *** differences of compound-specificδ13C value of individual light hydrocarbon between humic-sourced gas and sapropelic-sourced gas have been *** humic-sourced gas has the distribution ofδ13C benzene > -2.‰,δ13C toluene >-2.‰,δ13C cyclohexane >-2.‰andδ13C methyl cyclohexane >-2.‰,while the sapropelicsourced gas has the distribution ofδ13C benzene 2.‰,δ13C toluene 2.‰,δ13C cyclohexane 2.‰and δ13C methyl cyclohexane 2.‰.Among the components of C7 light hydrocarbon compound,such as normal heptane(nC7),methyl cyclohexane(MCH)and dimethyl cyclopentane(ΣDMCP),etc,relative contents of nC7 and MCH are influenced mainly by the source organic matter type of natural ***,it is suggested that the gas with relative content of nC7 of more than 30%and relative content of MCH of less than 70%is sapropelic-sourced gas,while gas with relative content of nC7 of less than 35%and relative content of MCH of more than 50%is humic-sourced *** components of C5-7 aliphatics, the gas with relative content of C5-7 normal alkane of more than 30%is sapropelic-sourced gas,while the gas with relative content of C5-7 normal alkane of less than 30%is humic-sourced *** paremeters have been suggested to identify humic-sourced gas and sapropelic-sourced gas.

关键词： natural gas humic-sourced gas sapropelic-sourced gas carbon isotope light hydrocarbon parameters

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

Effect and mechanism of stresses on rock permeability at different scales

引用

Science china Earth Sciences 2006年第7期49卷 714-723页

作者： YIN Shangxian1 & WANG Shangxu2.1. Safety Engineering College, North china institute of Science and Technology, Yanjiao, {2. 101601, china 2. Key Laboratory of Geophysics Exploration, china University of petroleum, beijing 100083, china 1. Safety Engineering College North China Institute of Science and Technology Yanjiao Beijing 101601 China 2. Key Laboratory of Geophysics Exploration China University of Petroleum Beijing 100083 China

The effect of geo-stress fields on macroscopic hydro-geological conditions or micro-cosmic permeability of water-bearing media should follow some laws or principles. Cases study and tests show that: (1) At macro-geologic large scale, deformed and crashed rocks which were induced by geo-stress fields changing provided space for groundwater storage and flow. Groundwater adjusts water-bearing space and dilatants fractures by flowing and press transferring. Coupling of liquid and solid can be implemented for rocks and groundwater. Although tectonic fields witness several times of change and build-up in geological time, stress fields forming regional tectonic framework are coherent with seepage fields, orientation of the maximum horizontal stress demonstrates main seepage direc-tions. (2. At macro-geologic middle scale, zones of stresses changing sharply, quite low stresses, stress or shear concentration can be used to show locations and types of main fractures, zones of geo-stresses changing equably can be acted as normal base media zones of tri-porosity media. (3) At micro-geologic small scale, tri-porosity media include fractured rocks, porous rocks and capillary rocks. Investigations indicate that porosity or permeability is functions of effective stresses, and po-rosity or permeability changing rules of porous rocks with variation of effective stresses can be de-scribed as the index model, the model of power exponent functions is suitable for those of fractured rocks, the model of the second power parabola for capillary rocks. The porosity and permeability loss in fractured rocks, which are greater than that in porous rocks, are shown by calculation of effective compressive coefficient and closing pressure in cracks. The calculations can also explain the mecha-nism why porosity changes are always larger than permeability changes. It is proved by the thick wall cylinder theory that the second power parabola relation between porosity or permeability loss and effective

关键词： geo-stress fields, seepage fields, tri-porosity media, effective stresses, permeability, porosity,scale.

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

Primary migration and secondary alteration of the Upper Paleozoic gas reservoir in Ordos Basin,china―Application of fluid inclusion gases

引用

Science china Earth Sciences 2008年第S1期51卷 165-173页

作者： GONG Se 1,2.,PENG PingAn 1 ,SHUAI YanHua 3 ,DAI JinXing 3 &ZHANG WenZheng 4 1 Guangzhou institute of Geochemistry,the Chinese Academy of Sciences,Guangzhou 510640,china 2.Common Wealth Scientific and {2. Organization,petroleum Resources,PO Box 136,North Ryde,New South Wales,1670,Australia 3 {2. institute of petroleum Exploration and development,petrochina,beijing 100083,china 4 {2. institute of Exploration and development,Changqing petroleum Corporation,Xi’an 71002.,china Guangzhou institute of Geochemistry the Chinese Academy of Sciences Guangzhou 510640 China Common Wealth Scientific and research Organization Petroleum Resources PO Box 136 North Ryde New South Wales 1670 Australia research institute

The composition of fluid inclusions(FI)often represents the initial geochemical characteristics of palaeo-fluid in reservoir *** on composition and carbon isotopic composition of gas during primary migration,reservoir-forming and subsequent secondary alterations are discussed through comparing fluid inclusion gas with coal-formed gas and natural gas in present gas reservoirs in the Ordos *** results show that primary migration of gas has significant effect on the molecular but not on the carbon isotopic composition of *** and diffusion fractionation took place during the secondary migration of gas in Upper Paleozoic gas reservoir according to carbon isotopic composition of methane in *** and carbon isotopic composition of natural gas were nearly unchanged after the gas reservoir forming through comparing the FI gases with the natural gas in present gas reservoir.

关键词： secondary alteration fluid inclusion carbon isotope Ordos 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

Mechanism of catalytic hydropyrolysis of sedimentary organic matter with MoS_2

引用

petroleum Science 2011年第2期8卷 134-142页

作者： He Kun Zhang Shuichang Mi Jingkui Chen Jianping Cheng Lei petroleum Geology research and Central Laboratory Research Institute of Petroleum Exploration and Development （RIPED） PetroChina Beijing 100083 China CNPC Key Laboratories for petroleum Geochemistry Beijing 100083 China

MoS2.was used as an efficient catalyst for hydropyrolysis （Hypy） of three samples of sedimentary organic matter with different maturities. Through comparison with Soxhlet extraction （SE）, it was found that MoS2.catalytic Hypy can remarkably promote the yields of total chloroform extracts, saturates, aromatics, hopanes and steranes. In addition, the difference of biomarker parameters indicated that isomerization of covalently-bound biomarkers is much more difficult than their free counterparts. Meanwhile, the high conversion of total organic carbon （TOC） in MoS2.catalytic Hypy of organic matter proved that the presence of dispersed molybdenum sulfide accelerated the breaking of C-C bonds and the release of hydrocarbons. To address the catalytic mechanism, a series of control experiments based on free Hypy and catalytic Hypy were conducted. The results showed that the calculated atomic ratio of carbon conversion/hydrogen conversion for catalytic Hypy was much larger than the presumed value of 1/2. indicating that intensive hydrogenation took place and significantly influenced the distribution of liquid products. Analysis of stable hydrogen isotope data, infrared spectra and m/z 83 ion chromatograph of the saturate fraction further confirmed this hypothesis. The difference of S content changing （AS） between catalyst-free Hypy and catalytic Hypy, and the thermal characteristics of the catalyst, indicated that active H2. was definitely generated and it probably initiated free radical reactions in the early stage of hydropyrolysis of organic matter.

关键词： Catalytic hydropyrolysis molybdenum disulfide kerogen coal Soxhlet extraction,biomarkers

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

Geochemical characteristics of pyrolysis gas from epimetamorphic rocks in the northern basement of Songliao Basin,Northeast china

引用

Science china Earth Sciences 2008年第S1期51卷 140-147页

作者： YANG Chun 1 ,LUO Xia 2.,LI Jian 2.,LI ZhiSheng 2.,LIU QuanYou 3 &Wang YuLin 4 1 Department of Earth Sciences,Zhejiang University,Hangzhou 31002.,china 2.research {2. of petroleum Exploration and development(Langfang Branch),Langfang 065007,china 3 research {2. of petroleum Exploration and development,beijing 100083,china 4 Department of Source and Environment,Liaoning Technical University,Fuxin 12.000,china Zhejiang Univ Dept Earth Sci Hangzhou 310027 Peoples R China Res Inst Petr Explorat & Dev Langfang Branch Langfang 065007 Peoples R China Res Inst Petr Explorat & Dev Beijing 100083 Peoples R China Liaoning Tech Univ Dept Source & Environm Fuxing 123000 Peoples R China

The Xushen gas field,located in the north of Songliao Basin,is a potential giant gas area for china in the *** proved reserves have exceeded 1000×10 8 m 3 by the end of ***,the origin of natural gases from the deep strata is still in *** rocks as a potential gas source are widely spreading in the northern basement of Songliao *** to pyrolysis experiments for these rocks in the semi-confined system,gas production and geochemistry of alkane gases are discussed in this *** Carboniferous-Permian epimetamorphic rocks were heated from 300℃to 550℃,with temperature interval of 50℃.The gas production was quantified and measured for chemical and carbon isotopic *** show thatδ13C 1 is less than?2.‰,carbon isotope trend of alkane gas isδ13C 1 2.2.>δ13C 3 ,these features suggest that the gas would be coal-type gas at high-over maturity,not be inorganic gas with reversal trend of gaseous alkanes (δ13C 1 >δ13C 2.>δ13C 3 ).These characteristics of carbon isotopes are similar with the natural gas from the basin basement,but disagree with gas from the Xingcheng ***,the mixing gases from the pyrolysis gas with coal-typed gases at high-over maturity or oil-typed gases do not cause the reversal trend of carbon *** gas generation intensity for epimetamorphic rocks is 3.0×10 8 ―2..8×10 8 m 3 /km 2.,corresponding to Ro from 2.0%to 3.5%for organic matter.

关键词： Northern Songliao Basin epimetamorphic rock pyrolysis experiment gas generation potential carbon isotope

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

Quantitative studies of hydrocarbon loss of the Silurian bitumen sandstone in the Tarim Basin

引用

Science china Earth Sciences 2008年第S2期51卷 101-107页

作者： JIANG ZhenXue1,2.PANG XiongQi1,2.LIU LuoFu1,2.WANG XianDong3,ZHANG Jun4 & LI HongYi1,2.1 Basin and Reservoir research Center,china University of {2.,beijing 102.49,china 2.State Key Laboratory of {2. Resource and Prospecting,china University of {2.,beijing 102.49,china 3 research institute of Exploration and {12.,Daqing Oilfield Company Ltd,Daqing 163712.china 4 {2. Exploration and Production institute of SINOPEC,beijing 100083,china china Univ Petr Basin & Reservoir Res Ctr Beijing 102249 Peoples R China china Univ Petr State Key Lab Petr Resource & Prospecting Beijing 102249 Peoples R China Daqing Oilfield Co Ltd Res Inst Explorat & Dev Daqing 163712 Peoples R China SINOPEC Petr Explorat & Prod Inst Beijing 100083 Peoples R China

The evolution of Tarim Basin experienced several tectonic movements,of which Caledonian movement caused a serious damage to reservoirs of Silurian. The earlier reservoirs size and the later hydrocarbon loss are two key factors to exploration prospect of Silurian. On the basis of net thickness of bituminous sandstone and recovery coefficient of crude oil converting to bitumen,the scale of the hydrocarbon loss of palaeo-accumulation in bitumen sandstone of Silurian was calculated (86.30×108t). The deter-mination of net thickness of bitumen sandstone was completed mainly by several methods,such as physical property demarcation,observing lithology,grains with oil inclusion (GOI) technology,and quantitative grains fluorescence (QGF) technology. The samples of black sandstone and white sand-stone were collected and compared by means of the methods mentioned above. The results showed that there was little hydrocarbon,or none,in the white sandstone. The recovery coefficient was ob-tained by the analyses of plentiful physical parameters of crude oil and bitumen sandstone,based on the hypothesis that nonhydrocarbon compounds and bitumen were invariable in the process of bitu-men forming. The calculated result,which is more scientific and actual,indicates the exploration pros-pect is more promising in Silurian of the Tarim Basin.

关键词： Tarim Basin Silurian bitumen sandstone hydrocarbon loss quantitative research recovery coefficient

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：