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developmental modes of the Neoproterozoic-Lower Paleozoic marine hydrocarbon source rocks in china

Science Bulletin 2007年第S1期 77-91页

作者： ZHANG BaoMin1, ZHANG ShuiChang1, BIAN LiZeng2, JIN ZhiJun3 & WANG DaRui1 1 research Center of petroleum Geology in research institute of petroleum exploration and development, Petrochina, beijing 100083, china 2 Department of Earth Sciences, Nanjing University, Nanjing 210093, china 3 research institute of petroleum exploration and development, sinopec, beijing 100083, china

Based on the researches on rock type, the mode of occurrence, diagnostic minerals and creatures, the sedimentary geochemistry and organic facies of Chinese marine source rocks from wells and outcrops, and on the research findings of developmental modes of foreign marine source rock, the authors consider that it is impossible to objectively make clear the formation mechanism of hydrocarbon source rock with high organic matter abundance by either single mode of preservation or high organic matter productivity. According to the Chinese geological features, the formation mechanism of the Neoproterozoic-Lower Paleozoic marine source rock is generalized into four modes, namely, thermal water activity-upwelling flow-anoxic; carbonate gentle slope-upwelling flow; xerothermic climate-brine euxinic milieu; and humid climate-retained euxinic milieu; as the Lower Cambrian undercompensation basin organic facies (the Tarim Basin, South china and southwestern margin of North china), carbonate gentle lime mud bound organic facies (the Upper Ordovician in Tazhong region of the Tarim Basin and the Lower Silurian in the Upper Yangtze Platform), the Middle Cambrian evaporation laggon organic facies (the Tarim Basin and the Upper Yangtze Platform), enclosed undercompensation terrigenous bay organic facies (the Middle-Upper Ordovician in the west of the Tarim Basin, the Lower Silurian Longmaxi Formation in the Upper Yangtze platform). Chinese marine sedimentations with lower organic matter abundance are generalized into two modes of consumption-dilution mode of open epicontinental sea and depletion-dilution mode of supercompensation basin.

关键词： marine source rock upwelling flow anoxic event thermal water activity xerothermic climate-brine euxinic humid climate-retained euxinic

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阳信-花沟地区二氧化碳气藏成藏模式

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石油学报 2004年第1期25卷 35-39页

作者：李趁义樊太亮郑和荣中国地质大学能源系胜利油田有限公司地质科学研究院山东东营257015 中国石化勘探开发研究院

讨论了阳信花沟地区二氧化碳气的成因、运移、聚集及成藏模式。对研究区地球化学、深部地质背景、深断裂发育及火山岩分布等资料分析表明 ,二氧化碳主要来自无机幔源岩浆成因气体 ,地壳内低速异常体可能是气体初始积聚区 ,与之沟通... 详细信息

讨论了阳信花沟地区二氧化碳气的成因、运移、聚集及成藏模式。对研究区地球化学、深部地质背景、深断裂发育及火山岩分布等资料分析表明 ,二氧化碳主要来自无机幔源岩浆成因气体 ,地壳内低速异常体可能是气体初始积聚区 ,与之沟通的断裂输导网络是垂向运移的通道 ;沉积盆地内气体的释放和聚集具有明显的分带性 ,区内 2个剪切构造带以及 2个早第三纪裂谷—火山岩构造带是二氧化碳气体释放、聚集及成藏的最有利地带 ,二氧化碳气藏、新生代火山岩以及源幔氦同位素异常主要沿剪切构造带和裂谷火山构造带的主干断裂呈“串珠状”分布 ;不同构造带发育不同的二氧化碳气聚集模式和气藏类型 ,其中剪切构造带主要发育深层古潜山中深层背斜或断块浅层披覆构造型气藏组合 ;裂谷火山岩构造带主要发育火成岩伴生的二氧化碳气藏。

关键词：二氧化碳气藏分布特征低速异常体深断裂成藏模式阳信-花沟地区

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酒西坳陷天然气的地球化学特征及成因

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新疆石油地质 2004年第3期25卷 259-261页

作者：高波程克明熊英杨智明中国石化石油勘探开发科学研究院北京100083 中国石油石油勘探开发科学研究院北京100083 中国石油玉门油田分公司勘探开发研究院甘肃玉门735200

对酒西坳陷天然气的地球化学特征进行了较为详细的研究。研究表明,酒西坳陷的天然气组分以烃类气体为主,质量分数91.82%～99.22%,平均为96.15%.其中,甲烷质量分数68.85%～85.13%,平均为75.81%.重烃含量较高,平均质量分数20.34%,C1/C1-5... 详细信息

对酒西坳陷天然气的地球化学特征进行了较为详细的研究。研究表明,酒西坳陷的天然气组分以烃类气体为主,质量分数91.82%～99.22%,平均为96.15%.其中,甲烷质量分数68.85%～85.13%,平均为75.81%.重烃含量较高,平均质量分数20.34%,C1/C1-5为0.75～0.87,属典型的湿气;非烃气体主要为CO2,质量分数0.78%～8.18%,平均为3.85%.天然气的δ13C1值为-45.3‰～-40.2‰,平均值为-41.94‰;δ13C2为-31.1‰～-28.4‰,平均值为-30.27‰;δ13C3为-28.6‰～-26.9‰,平均值为-27.6‰,δ13C13C23C3,因此为典型的油型气。

关键词：天然气地球化学酒西坳陷碳同位素油型气

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东营凹陷南部樊东地区隐蔽圈闭研究

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特种油气藏 2004年第4期11卷 23-25页

作者：杨飞王英民金武弟李群石油大学盆地与油藏研究中心教育部石油天然气成藏机理重点实验室北京102249

樊东地区位于东营凹陷南部缓坡带 ,是各类砂体发育的有利地带。由于其砂层较薄 ,虽能在测井曲线上很好地显示 ,但在地震剖面上难以识别与追踪。为此 ,提出测井 -地震体反演-地质解释三位一体的隐蔽圈闭研究方法 ,即利用测井研究砂层的... 详细信息

樊东地区位于东营凹陷南部缓坡带 ,是各类砂体发育的有利地带。由于其砂层较薄 ,虽能在测井曲线上很好地显示 ,但在地震剖面上难以识别与追踪。为此 ,提出测井 -地震体反演-地质解释三位一体的隐蔽圈闭研究方法 ,即利用测井研究砂层的地球物理响应特征 ,确定砂层及其盖层与波阻抗值的对应关系 ,然后在稀疏脉冲反演获得的地震波阻抗属性体上进行砂体的识别与追踪 ,并在此基础上。

关键词：隐蔽圈闭油气地质测井地震体反演地质解释东营凹陷

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Geological characteristics of large gas provinces and large gas fields in china

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Science china Earth Sciences 2008年第S1期51卷 14-35页

作者： ZOU CaiNeng &TAO ShiZhen research institute of petroleum exploration and development,Petrochina,beijing 100083,china Petrochina Res Inst Petr Explorat & Dev Beijing 100083 Peoples R China

Based on the examination of the global researches on oil and gas provinces and large gas fields and the analysis of the features,attributes and distribution of large gas provinces and gas fields,this paper puts forward three indicators of determining large oil and gas provinces:spatial indicator,reservoir-forming indicator and resource *** classifies the gas accumulated areas and large gas provinces in china and analyzes the controlling factors on the distribution of large gas provinces and large gas fields:the lateral distribution is mainly controlled by high-energy sedimentary facies and constructive diagenetic facies,palaeo-highs and their periclinal zones,deep faults,etc,and the vertical distribution is mainly controlled by unconformities,series of evaporates and deep low-velocity highly-conductive beds,*** also reveals the main geological characteristics of large gas provinces and large gas fields in *** gas fields in four-type basins have their own characteristics and onland large gas fields are dominantly developed in foreland basins and craton basins;there are three types of gas sources,of which,coal is the main source with high gas generating intensity and varying origins;reservoir rocks of the large gas fields(provinces)are of various types and dominated generally by low-middle permeability and porosity pore-type reservoirs;structural traps and litho-stratigraphic traps coexist in Chinese large gas fields and form dense high abundance and large-area low and middle-abundance large gas fields;most of the large gas fields have late hydrocarbon-generation peaks and reservoir formation,and experienced the process of multiple-stage charging and late finalization; large gas provinces(fields)have good sealing and preservation conditions,and evaporates seals are largely developed in large and extra-large gas *** paper intends to shed light on the exploration and development of large gas fields(provinces)through analyzing their geological

关键词： large gas province large gas field indicator of large oil and gas provinces forming condition distribution characteristics geological feature

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SEVERAL　CONSIDERATIONS　ON　HYDROCARBON　GENERATION　MECHANISM　AND　EVOLUTION　OF　CARBONATE　ROCKS

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石油勘探与开发 1996年第5期23卷 75-80页

作者： Cheng Keming Wang Zhaoyun(research institute of petroleum exploration and development, CNPC, beijing, 100083, china)

ＳＥＶＥＲＡＬＣＯＮＳＩＤＥＲＡＴＩＯＮＳＯＮＨＹＤＲＯＣＡＲＢＯＮＧＥＮＥＲＡＴＩＯＮＭＥＣＨＡＮＩＳＭＡＮＤＥＶＯＬＵＴＩＯＮＯＦＣＡＲＢＯＮＡＴＥＲＯＣＫＳ￥ＣｈｅｎｇＫｅｍｉｎｇ；ＷａｎｇＺｈａｏｙｕｎ（Ｒｅ... 详细信息

ＳＥＶＥＲＡＬＣＯＮＳＩＤＥＲＡＴＩＯＮＳＯＮＨＹＤＲＯＣＡＲＢＯＮＧＥＮＥＲＡＴＩＯＮＭＥＣＨＡＮＩＳＭＡＮＤＥＶＯＬＵＴＩＯＮＯＦＣＡＲＢＯＮＡＴＥＲＯＣＫＳ￥ＣｈｅｎｇＫｅｍｉｎｇ；ＷａｎｇＺｈａｏｙｕｎ（ＲｅｓｅａｒｃｈＩｎｓｔｉｔｕｔｅｏｆ...

关键词： Marine factes Oil generation of carbonate rocks Mechanism Evaluation Oil-generatingindex Thermal evolution

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Natural gas geochemistry and its origins in Kuqa depression

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Science china Earth Sciences 2008年第S1期51卷 174-182页

作者： LIU QuanYou 1 ,QIN ShengFei 1 ,LI Jian 2 ,LIU WenHui 3 ,ZHANG DianWei 3 ,ZHOU QingHua 1 &HU AnPing 1 1 research institute of petroleum exploration and development,Petrochina,beijing 100083,china 2 Langfang Branch of research institute of petroleum exploration and development,Petrochina,Langfang 065007,china 3 exploration and Production research institute,sinopec,beijing 100083,china Petrochina Res Inst Petr Explorat & Dev Beijing 100083 Peoples R China Petrochina Langfang Branch Res Inst Petr Explorat & Dev Langfang 065007 Peoples R China sinopec Explorat & Prod Res Inst Beijing 100083 Peoples R China

According to gas compositional and carbon isotopic measurement of 114 gas samples from the Kuqa depression,accumulation of the natural gases in the depression is dominated by hydrocarbon gases, with high gas dryness(C1/C1-4)at the middle and northern parts of the depression and low one towards east and west sides and southern *** carbon isotopes of methane and its homologues are relatively enriched in 13 C,and the distributive range ofδ13C 1 ,δ13C 2 andδ13C 3 is-32‰―-36‰,-22‰―-24‰and-20‰―-22‰,*** general,the carbon isotopes of gaseous alkanes become less negative with the increase of carbon ***δ13C CO2 value is less than-10‰in the Kuqa depression,indicating its organogenic *** distributive range of 3 He/ 4 He ratio is within n×10-8 and a decrease in 3 He/ 4 He ratio from north to south in the depression is *** on the geochemical parameters of natural gas above,natural gas in the Kuqa depression is of characteristics of coal-type gas *** possible reasons for the partial reversal of stable carbon isotopes of gaseous alkanes involve the mixing of gases from one common source rock with different thermal maturity or from two separated source rock intervals of similar kerogen type,multistages accumulation of natural gas under high-temperature and over-pressure conditions,and sufficiency and diffusion of natural gas.

关键词： Kuqa depression natural gas stable carbon isotope gas origin

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Formation mechanism of carbonate cemented zones adjacent to the top overpressured surface in the central Junggar Basin,NW china

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Science china Earth Sciences 2010年第4期53卷 529-540页

作者： YANG Zhi1,2,ZOU CaiNeng1,3,HE Sheng2,LI QiYan1,HE ZhiLiang3,WU HengZhi5,CAO Feng1,MENG XianLong4,WANG FuRong2 & XIAO Qilin21 State Key Laboratory of EOR,research institute of petroleum exploration & development,Petrochina,beijing 100083,china 2 Key Laboratory of Tectonics and petroleum Resources of Ministry of Education,china University of Geosciences,Wuhan 430074,china 3 State Key Laboratory of EOR,research institute of petroleum exploration & development,Petrochina,beijing 100083,china 4 research institute of petroleum exploration and Production,sinopec,beijing 100083,china 5 Southwest Branch Company,sinopec,Chengdu 610051,china 1. State Key Laboratory of EOR Research Institute of Petroleum Exploration & Development PetroChina Beijing 100083 China2. Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education China University of Geosciences Wuhan 430074 China3. State Key Laboratory of EOR Research Institute of Petroleum Exploration & Development Petrochina Beijing 100083 China5. Southwest Branch Company SINOPEC Chengdu 610051 China4. Research Institute of Petroleum Exploration and Production SINOPEC Beijing 100083 China

Carbonate cemented zones are normally adjacent to the top overpressured surface in the central Junggar Basin,NW *** carbon and oxygen isotopic compositions and petrological investigations of carbonate cements in the carbonate cemented zones indicate that:(1) carbonate cements are composed dominantly of ferrocalcite,ferroan dolomite,and ankerite;(2) carbonate cements are formed under a high temperature circumstance in the subsurface,and organic fluid migration has an important effect on the formation of them;and(3) carbon and oxygen ions in the carbonate cements migrate from the underlying overpressured *** suggests that the occurrence of carbonate cemented zones in this region results from multiple phases of organic fluid expulsion out of the overpressure compartment through geological *** study provides a plausible mechanism of the formation of carbonate cemented zones adjacent to the top overpressured surface in the clastic sedimentary basins,and has an important implication for understanding the internal correlation between the formation of carbonate cemented zones adjacent to top overpressured surface and geofluids expulsion out of overpressured system.

关键词： carbonate cemented zones formation mechanism stable carbon and oxygen isotopic top overpressured surface central Junggar Basin coal-bearing strata

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

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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 102249,china 2 CNPC Geophysical exploration Key Laboratory,china University of petroleum,beijing 102249,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

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Review and Comprehensive Analysis of Composition and Origin of High Acidity Crude Oils

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china petroleum Processing & Petrochemical Technology 2011年第1期13卷 6-15页

作者： Cai Xinheng Tian Songbai (research institute of petroleum Processing,sinopec,beijing 100083,china) sinopec Res Inst Petr Proc Beijing 100083 Peoples R China

High acidity crude oils have an advantage over normal oils in terms of their price,but can cause corrosion and refinery *** are the so-called opportunity crudes and likely to be important reserved resources in the 21st *** on high acidity crude oils are becoming more and more *** on the existing research achievements,this article has given an overview of the chemical composition and acid distribution of high acidity oils,and also analyzed their origin types and potential influence factors.

关键词： high acidity oils total acid number acid composition origin influence factors

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