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Analysis on china's Future Energy Mix and Oil/Gas Demand Under Low-Carbon Energy Constraints (II)

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china Chemical Reporter 2010年第1期21卷 9-11页

作者： Zhang Kang,exploration and production Research {2.,sinopec Corp

***,gas and coal demand to remainhigh amid low-carbon energy *** and gas demand to rise significantlyFrom energy conservation to low-carbon andstrengthened low-carbon scenarios,thesame-year oil demand shows declines *** as an example for 2.2.,ifoil demand were 100% under the energyconservationscenario,it would be 71.3%for low-carbon and 68.6% for

关键词： scenarios strengthened conservation earlier sustai

A Study of Sedimentary Environment and Reservoir Quality of the Carboniferous Donghe Sandstonein the Tarim Basin

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Acta Geologica Sinica(English Edition) 1996年第4期70卷 395-406,454页

作者： Gu JiayuResearch institute of Petroleum exploration and Development, {2. Research institute of Petroleum exploration and Development Beijing

Very thick, fine-grained quartzose sandstone of the Lower Carboniferous (called the Donghe sandstone) was discovered in Donghe-1 well in the Tarim basin. Highly-productive commercial oil and gas flows were obtained when a well completion test was conducted. This important discovery proved that the quartzose sandstone is a prospecting target with good prospects. After that, other two paying oil and gas flows were found in the Lower Carboniferous in the Tazhong-4 and Tazhong-10 structures (Tazhong means central Tarim), equivalent to the Donghe sandstone. The Tazhong-4 structural oil field is the biggest oil field ever discovered. Therefore it is of guiding importance in oil and gas exploration to deepen the study of sedimentary and reservoir features and the sedimentary environment of the Donghe sandstone and to build a sedimentary model in order to understand the reservoir distribution pattern.

关键词： Donghe sandstone sedimentary facies sedimentary model tempestite pore type dissolved pore

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华北东部盆地油气勘探潜力与发展方向

石油学报 2003年第4期24卷 7-12页

作者：王毓俊田在艺中国海洋石油勘探研究院河北高碑店074010 中国石油勘探开发研究院北京100083

华北东部盆地是典型的多旋回叠加改造型盆地 ,中上元古界、下古生界、上古生界、中生界和新生界普遍具有生烃潜力和储盖组合条件。漫长的地质演化和新生代构造断裂活动形成了上第三系至太古界多层系多类型的油气藏 ,在凹陷、凸起的各部... 详细信息

华北东部盆地是典型的多旋回叠加改造型盆地 ,中上元古界、下古生界、上古生界、中生界和新生界普遍具有生烃潜力和储盖组合条件。漫长的地质演化和新生代构造断裂活动形成了上第三系至太古界多层系多类型的油气藏 ,在凹陷、凸起的各部位 ,分布着大型油气聚集带。根据盆地历史演化、勘探程度差异性及油气发现的特点 ,对华北东部盆地油气勘探潜力进行了分析。在该地区应着重研究多勘探层系、勘探程度的差异性和地质理论的新进展 ,充分挖掘各探区内各单元的油气资源潜力 ,第三系深层、前第三系、滩海和浅海应是华北东部盆地 2

关键词：华北东部多旋回叠加盆地多层系油气藏第三系深层前第三系滩海浅海勘探潜力

Identification of the Quaternary low gas-saturation reservoirs in the Sanhu area of the Qaidam Basin,china

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Petroleum Science 2011年第1期8卷 49-54页

作者： Li Xiongyan Li Hongqi Zhou Jinyu He Xu Chen Yihan Yu Hongyan State Key Laboratory of Petroleum Resource and Prospecting China University of PetroleumBeijing 102249China Key Laboratory of Earth Prospecting and Information Technology China University of PetroleumBeijing 102249China Department of Computer Science and Technology China University of PetroleumBeijing 102249China exploration and Development institute Changqing Petroleum CompanyShaanxi 710021China

Low gas-saturation reservoirs are gas bearing intervals whose gas saturation is less than 47%. They are common in the Quaternary of the Sanhu area in the Qaidam *** to the complex genesis mechanisms and special geological characteristics,the logging curves of low gas-saturation reservoirs are characterized by ambiguity and diversity,namely without significant log response characteristics. Therefore,it is particularly difficult to identify the low gas-saturation reservoirs in the study *** addition,the traditional methods such as using the relations among lithology,electrical property,physical property and gas bearing property,as well as their threshold values,can not effectively identify low gas-saturation *** solve this problem,we adopt the decision tree,support vector machine and rough set methods to establish a predictive model of low gas-saturation reservoirs,which is capable of classifying a mass of multi-dimensional and fuzzy *** to the transparency of learning processes and the understandability of learning results,the predictive model was also revised by absorbing the actual reservoir *** applications indicate that the predictive model is effective in identifying low gas-saturation reservoirs in the study area.

关键词： Sanhu area Qaidam Basin low gas-saturation reservoir decision tree support vector machine rough set predictive model identification

The Cretaceous tectonic event in the Qiangtang Basin and its implications for hydrocarbon accumulation

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Petroleum Science 2010年第4期7卷 466-471页

作者： Li Yalin Wang Chengshan Li Yongtie Ma Chao Wang Licheng Peng Shaonan State Key Laboratory of Geological Processes and Mineral Resources Research Center for Tibetan Plateau Geology China University of Geosciences Beijing 100083 China Petroleum exploration and Development Research institute PetroChina Beijing 100083 China

The tectonic event during Cretaceous and its relationship with hydrocarbon accumulation in the Qiangtang Basin is discussed based on zircon U-Pb dating and the study of deformation, thermochronology and hydrocarbon formation. LA-ICPMS zircon U-Pb dating indicates that the tectonic event took place during the Early-Late Cretaceous （12.-75Ma）. The event not only established the framework and the styles of structural traps in the basin, but also led to the cessation of the first hydrocarbon formation and the destruction of previous oil pools. The light crude oil in the basin was formed during the second hydrocarbon formation stage in the Cenozoic, and ancient structural traps formed during the Cretaceous event are promising targets for oil and gas exploration.

关键词： Qinghai-Tibet plateau Qiangtang Basin tectonic event Cretaceous hydrocarbon accumulation

Simulated experiment evidences of the corrosion and reform actions of H2. to carbonate reservoirs:an example of Feixianguan Formation,east Sichuan

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Science Bulletin 2007年第S1期 178-183页

作者： MA YongSheng1, GUO TongLou1, ZHU GuangYou2. CAI XunYu1 & XIE ZengYe2.1 exploration Company, sinopec, {2. 10002., china 2.Research institute of Petroleum exploration and Development, Petrochina, beijing 100083, china

The reservoir of Feixianguan Formation of the Lower Triassic in the Sichuan Basin is the deepest buried carbonate reservoir in china, with developed secondary corrosion holes, high quantities carbonate reservoir, maximum effective carbonate reservoir thickness. Also Feixianguan gas reservoir has the highest quantities of H2.. Research discovers that there are close relationships between the formation of reservoir and H2.. The mutual actions between acidity fluid and carbonate promoted the forming of secondary carbonate holes. Through the experiment of corrosion of the samples of Feixianguan carbonate reservoir in saturated aqueous solution of hydrogen sulfide, the porosity and permeability increased greatly, porosity increased 2. and permeability increased nearly two quantity degrees, also the density became light, which confirm the corrosion and reform actions of H2. to carbonate.

关键词： corrosion simulation high quantities reservoir mutual actions between acidity fluid and carbonate Feixianguan Formation H2. eastern Sichuan

EARLY PALAEOZOIC PRIMARY OIL OF KONGXI BURIED HILL IN HUANGHUA DEPRESSION, HUABEI, china

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石油勘探与开发 1997年第3期24卷 92-95页

作者： Wang Zhaoyun Cheng Keming(Research institute of Petroleum exploration and Development, CNPC, {2., 100083)Yang Chiyin(Geology and Development institute, Dagang Oil Field Group Ltd., Tianjin, 3002.0)

Huabei area suffered a sedimentary interruption of about 130 million years during Late Ordovicianto Devonian period. Therefore, whether the Early Palaeozoic carbonate rocks with a stable distribution and alarge thickness can secondarily generate hydrocarbon and form Primary oil and gas Pool is an important issueregarding the prospecting for Primary oil and gas Pools in the Lower Palaeozoic formations. Well Konggu 3,located in the northwestern Kongdian anticlinal structural belt, produced oil from the Primary Ordovician limestoneoil pool reserved in the Ordovician Fengfpog Formation. The crude oil Characteristics and oil-source correlationshow that oil source rock are Ordovician limestone. So it is a primary oil pool with source and reservoir rads inthe same formation. The studies on the secondsry hydrocarbon generation of source rocks and the primary oil ofWell Konggu 3 have a great significance to firmly prospect for Lower Palaeozoic primary oil and gas pools inHuabei area.

关键词： Subject heading Early Palaeozoic Primary reservoir Oil-source correlation Huanghua depression Huabei area

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给定井眼方向的修正轨道设计方法

石油学报 2002年第2期23卷 74-76页

作者：刘修善石在虹中国石化勘探开发研究院北京100083 中国科学院力学研究所北京100080

在定向钻进过程中 ,井眼方向及其变化规律是井眼轨道监测与控制的关键参数。修正轨道设计作为井眼轨道监控的重要组成部分 ,对修正设计目标点的井眼方向往往有一定的要求。根据定向钻井工艺技术的特点 ,本文构造出了具有两个圆弧段和一... 详细信息

在定向钻进过程中 ,井眼方向及其变化规律是井眼轨道监测与控制的关键参数。修正轨道设计作为井眼轨道监控的重要组成部分 ,对修正设计目标点的井眼方向往往有一定的要求。根据定向钻井工艺技术的特点 ,本文构造出了具有两个圆弧段和一个直线段的三段式剖面 ,从而解决了给定井眼方向条件下的修正轨道设计问题 ,为井眼轨道的有效监控奠定了基础。本文的设计方法避开了求解约束方程组 ,使得求解过程是一致收敛的 ,并且所有计算公式在理论上都是精确解 ,因此其普适性、精确性、稳定性和收敛性得到了保证 ,可广泛应用于定向井、水平井、大位移井、多目标井的修正轨道设计。

关键词：石油钻井理论数学模型井眼轨道设计计算定向井水平井大位移井多目标井

The productivity evaluation model and its application for finite conductivity horizontal wells in fault block reservoirs

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Petroleum Science 2010年第4期7卷 530-535页

作者： Jiang Hanqiao Ye Shuangjiang Lei Zhanxiang Wang Xing Zhu Guojin Chen Minfeng Key Laboratory of Petroleum Engineering Ministry of Education China University of Petroleum Beijing 102249 China Research institute of Petroleum exploration and Development PetroChina Beijing 100083 China Research institute of china National Offshore Oil Corporation Beijing 100027 China

It is very difficult to evaluate the productivity of horizontal wells in fault block reservoirs due to the influence of fault *** the basis of the method of images and source-sink theory,a semianalytical model coupling reservoir and finite conductivity horizontal wellbore flow dynamics was built,in which the influence of fault sealing was taken into *** distribution of wellbore flow and radial inflow profiles along the horizontal interval were also *** impact of the distance between the horizontal well and the fault on the well productivity was quantitatively *** on this analysis,the optimal distance between the horizontal well and the fault in banded fault block reservoirs could be *** to the field application,the relative error calculated by the model proposed in this paper is within ±15%.It is an effective evaluation method for the productivity of horizontal wells in fault block *** productivity of the horizontal well increases logarithmically as the distance between the horizontal well and the fault *** optimal distance between the horizontal well and the fault is 0.2.-0.3 times the horizontal well length.

关键词： Fault block reservoir horizontal well finite conductivity productivity evaluation well location design