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The components and carbon isotope of the gases in inclusions in reservoir layers of Upper Paleozoic gas pools in the Ordos Basin,china

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Science china Earth Sciences 2008年第S1期51卷 115-121页

作者： MI JingKui 1 ,DAI JinXing 1 ,ZHANG ShuiChang 1 ,ZHANG WenZheng 2 ,GONG Se 1 &LI XianQing 3.1 Research Institute of Petroleum Exploration and Development,Petrochina,Beijing 100083.china 2 Exploration and Development Research Institute of Petrochina Changqing {3. company,Xi’an 710021,china 3.Key Laboratory of Coal Resources,Ministry of Education,china University of Miningand Technology,Beijing 100083.china Petrochina Res Inst Petr Explorat & Dev Beijing 100083 Peoples R China Petrochina Changqing oilfield Co Explorat & Dev Res Inst Xian 710021 Peoples R China china Univ Min & Technol Key Lab Coal Resources Minist Educ Beijing 100083 Peoples R China

The components and carbon isotope of gases in inclusions are one of the most important geochemical indexes for gas *** analysis results of the components and carbon isotope of gases from inclusions in reservoir layers of Upper Palaeozoic gas pools in the Ordos Basin show that most inclusions grown in reservoir sandstone are primary *** is only a little difference about the components and carbon isotope between the well gases and the secondary inclusions *** indicated that the epigenetic change of gas pools is *** difference between the well gases and the secondary inclusions gases is caused by two reasons:(i)The well gases come from several disconnected sand bodies buried in a segment of depth,while the inclusion gases come from a point of depth.(ii)The secondary inclusions trapped the gases generated in the former stage of source rock gas generation,and the well gases are the mixed gases generated in all the *** is irresponsible to reconstruct the palaeo-temperature and palaeo-pressure under which the gas pool formed using carbon dioxide inclusions.

关键词： Ordos Basin Upper Paleozoic inclusion gas components carbon isotope

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Oil accumulation related to migration of source kitchens in the Lukeqin structural belt, Turpan-Hami Basin, china

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Petroleum Science 2010年第3期7卷 355-361页

作者： Liu Bo Huang Zhilong Tu Xiaoxian Sang Tingyi Chen Xuan State Key Laboratory of Petroleum Resource and Prospecting China University of Petroleum Beijing 102249 China Petrochina Turpan-Hami oilfield company Hami Xinjiang 839009 China

The Lukeqin structural belt is the main heavy oil accumulation zone in the Turpan-Hami Basin. The recent discovery of light oil in the Triassic indicates that there may be multiple source kitchens contributing to the oil accumulation. According to oil geochemical analysis and oil-source correlation, the oil in deep and shallow reservoirs of the Lukeqin oilfield presents different physical and saturated hydrocarbon mass spectrum characteristics. The Triassic heavy oil is from the northern Upper Permian lacustrine source rocks, and the light oil represented by the Yudong-9 Well is from the northwestern Lower Jurassic coal-measure source rocks. The timing of oil charging was determined by K/Ar isotope dating, reservoir fluid inclusion analysis and the evolution history of different source rocks. In summary, the accumulation process consists of two stages. From the end of Triassic to early Jurassic, the northern Permian source kitchen generated a considerable amount of oil, which was finally degraded to heavy oil, migrated to the south and then accumulated. The northwestern Jurassic coal-measure source kitchen began to generate oil at the end of Cretaceous, while the northern source kitchen could only generate a little hydrocarbon. The heavy oil and the light oil have different source rock locations, migration directions and accumulation times. The migration of hydrocarbon source kitchens affects the distribution of heavy oil and light oil reservoirs at the present time.

关键词： Source kitchen light oil oil-source correlation timing of oil charging Turpan-Hami Basin

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测井新技术在塔里木油田气藏描术中的应用

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天然气地球科学 2004年第3期15卷 285-289页

作者：赵军李进福塔里木油田分公司新疆库尔勒841000

库车前陆盆地是塔里木油田天然气的主要富集区,目前在该区相继发现了克拉2、吐孜洛克和迪那2等一批特大型和大型气田,但由于该区属典型的前陆逆冲断裂带,构造作用的影响十分强烈,岩石的成分成熟度和结构成熟度均较低,储层岩性杂乱、物... 详细信息

库车前陆盆地是塔里木油田天然气的主要富集区,目前在该区相继发现了克拉2、吐孜洛克和迪那2等一批特大型和大型气田,但由于该区属典型的前陆逆冲断裂带,构造作用的影响十分强烈,岩石的成分成熟度和结构成熟度均较低,储层岩性杂乱、物性差、孔隙度小、渗透率低,地层纵向上具有砂泥岩薄互层,地层压力系数变化大,钻井泥浆侵入严重。所有这些不利因素使得常规测井方法对气藏的评价精度较低。为了提高测井效果,近年来塔里木油田陆续引进了斯仑贝谢、阿特拉斯以及哈里伯顿等成像测井技术,这些新技术在克服上述不利因素、解决泥浆侵入、判断气水界面、识别流体性质和精确计算饱和度等方面均具有常规测井技术无法比拟的优点。测井新技术在库车前陆盆地气藏描述中的应用,有效地提高了测井方法对气藏的评价精度。

关键词：测井气藏描述阵列感应核磁共振电阻率成像

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Micro-geological causes and macro-geological controlling factors of low-resistivity oil layers in the Puao oilfield

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Petroleum Science 2009年第3期6卷 246-253页

作者： Tan Fengqi Li Hongqi Liu Hongtao Jiang Fucong Yu Hongyan School of Resource and Information Technology China University of Petroleum Beijing 102249 China State Key Laboratory of Petroleum Resource and Prospecting China University of Petroleum Beijing 102249 China The No.7 Oil Production Factory Daqing Oilfield Company PetroChina Heilongjiang 163515 China

Low-resistivity oil layers are often missed in logging interpretation because of their resistivity close to or below the resistivity of nearby water layers. Typical low-resistivity oil layers have been found in the past few years in the Putaohua reservoir of the Puao oilfield in the south of the Daqing placanticline by detailed exploration. Based on a study of micro-geological causes of low-resistivity oil layers, the macro-geological controlling factors were analyzed through comprehensive research of regional depositional background, geological structure, and oil-water relations combined with core, water testing, well logging, and scanning electron microscopy data. The results showed that the formation and distribution of Putaohua low-resistivity oil layers in the Puao oilfield were controlled by depositional environment, sedimentary facies, diagenesis, motive power of hydrocarbon accumulation, and acidity and alkalinity of reservoir liquid. The low-resistivity oil layers caused by high bound-water saturation were controlled by deposition and diagenesis, those caused by high free-water saturation were controlled by structural amplitude and motive power of hydrocarbon accumulation. Those caused by formation water with high salinity were controlled by the ancient saline water depositional environment and faulted structure and those caused by additional conductivity of shale were controlled by paleoclimate and acidity and alkalinity of reservoir liquid. Consideration of both micro-geological causes and macro-geological controlling factors is important in identifying low-resistivity oil layers.

关键词： Daqing placanticline Puao oilfield Putaohua oil layer low-resistivity oil layers microgeological causes macro-geological controlling factors

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Application of seismic facies and attributes analysis on the identification of Permian igneous rock

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International Journal of Mining Science and Technology 2012年第4期 469-473页

作者： Xu Yongzhong a,,Yang Haijun b,Liu Yongfu b,Wang Shuangshuang a,Yang Peng c,Zhao Jixiang a a School of Resource and Geosciences,china University of Mining & Technology,Xuzhou 221008,china b Institute of china Petroleum {3. oilfield company,Korla 841000,china c SINOPEC Exploration Southern company,Chengdu 610041,china School of Resource and Geosciences china University of Mining ＆ Technology Xuzhou china nstitute of china Petroleum {3. oilfield company Korla china SINOPEC Exploration Southern company Chengdu china

Seismic facies and attributes analysis techniques are *** geological characteristics of some oil fields in western china are used in conjunction with drilling results and logging data to identify the lithology,intrusion periods,and distribution range of the Permian igneous rocks in this *** lithologic classification,the vertical and horizontal distribution,and the intrusion periods of igneous rock were deduced through this *** seismic facies and attributes analysis based on optimization can describe the igneous rock in *** is an efficient way to identify lithology and intrusion *** geological data and GR-DT logging cross-plots the Permian igneous rock from TP to TT was divided into three *** lithology of the first period is tuff and clasolite with a thickness ranging from 18 to 80 *** second is basalt with a thickness ranging from 0 to 20 *** third is tuff and clasolite and dacite whose thickness ranges from 60 to 80 *** results can help understand the clasolite trap with low amplitude and the lithologic trap of the Carboniferous and *** can also guide further oil and/or gas exploration.

关键词： Seismic facies Attributes analysis Logging cross-plot Igneous rock

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储层流动单元模式及剩余油分布规律

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石油学报 2003年第3期24卷 52-55页

作者：李阳中石化胜利油田有限责任公司山东东营257000

依据胜利油区河流和三角洲储层的岩性、物性、微观特征、渗流参数和动态信息 ,分别将该油区两种储层流动单元分为 4类 ,建立了河流和三角洲流动单元模式。其中 ,流动单元E的储层物性最好 ,流动单元G、M为最佳储层和产层 ,流动单元P的物... 详细信息

依据胜利油区河流和三角洲储层的岩性、物性、微观特征、渗流参数和动态信息 ,分别将该油区两种储层流动单元分为 4类 ,建立了河流和三角洲流动单元模式。其中 ,流动单元E的储层物性最好 ,流动单元G、M为最佳储层和产层 ,流动单元P的物性最差。在特高含水期 ,流动单元G、M内剩余油相对富集 ,宏观剩余油多富集在流动单元接合部位、隔夹层处 ;对于河流相储层剩余油多在韵律层上部富集 ;对于三角洲相储层多在韵律层下部富集。微观剩余油形式多样 ,有孤滴、薄膜、网状、斑状和连片状等 5种类型。

关键词：储层流动单元剩余油分布河流相三角洲相胜利油区

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Palaeogeomorphology and its control on the development of sequence stratigraphy and depositional systems of the Early Silurian in the tarim Basin

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Petroleum Science 2010年第3期7卷 311-322页

作者： Liu Jingyan Lin Changsong Cai Zhenzhong Zhu Yongfeng Yang Yongheng Peng Li Si Baoling Huang Zhen Li Huanpu Xu Yingcai Su Zhenzhen Key Lab of Marine Reservoir Evolution and Oil ＆ Gas Accumulation Mechanism of Ministry of Education China University ofGeosciences Beijing 100083 China Institute of Petroleum Exploration and Development Tarim Oilfield Company PetroChina Xinjiang 841000 China

The Silurian in the tarim Basin was deposited on the basement deformed by the Caledonian tectonic movements at the end of the Late Ordovician. The development and distribution of sedimentary sequences of the Early Silurian have been clearly controlled by the palaeogeomorphology of the Late Ordovician. Based on unconformity characteristics and distribution of erosion, several zones can be differentiated including a high uplifted erosion zone, a transitional slope zone and a depression zone. The central and west Tabei Uplift zones show high angular unconformity and intense erosion. The tarim Basin in the late Ordovician shows characteristics of higher in the west, lower in the east while higher in the south, lower in the north. The Early Silurian mainly developed transgressive and highstand systems tracts on the whole, while the lowstand systems tract only developed partly below the slope break. The palaeogeomorphology controlled the elastic source supply and deposit distribution. Braided delta system and tidal flat-estuary system were deposited. The duration of uplifting of the Tazhong paleo- uplift was longer than that of the Tabei paleo-uplift, and deposition was later. This led to the lower and middle members of the Kepingtage Formation missing in that area. As a large-scale transgression occurred during the deposition period of the upper member of the Kepingtage Formation, sediment from the west of the basin was transported and deposited by tides and waves, forming tidal-marine debris systems above the uplift. Proximal alluvial fan and fan delta coarse elastic deposits developed in proximal uplift zone in the east and southeast of the basin, and braided delta put forward to the transitional zone between the edge of uplift and the sea. Large-scale tidal channel, sub-distributary channel and mouth bar of the delta front can form favorable reservoirs, and they are primary targets for oil and gas exploration. This research on sequence-depositional systems development

关键词： Erosional palaeogeomorphology depositional palaeogeomorphology evolution of paleo- uplift sequence-depositional system favorable reservoir facies zone

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A discussion on the upper limit of maturity for gas generation by marine kerogens and the utmost of gas generative potential:Taking the study on the tarim Basin as an example

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Science Bulletin 2007年第S1期 125-132页

作者： CHEN JianPing1,2, ZHAO WenZhi1, XIAO ZhongYao3. ZHANG ShuiChang1,2, DENG ChunPing1,2, SUN YongGe4 & WANG ZhaoMing3.1 Research Institute of Petroleum Exploration & Development, Petrochina, Beijing 100083. china 2 Key Lab of Petroleum Geochemistry, CNPC, Beijing 100083. china 3.Research Institute of Petroleum Exploration & Development, {3. oilfield company, Petrochina, Korla 841000, china 4 State Key Lab of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, china

The experimental data yielded by Rock-Eval pyrolysis, kerogen atomic H/C, Py-GC and gold-tube sealing thermal simulation on the marine Cambrian-Ordovician source rock from the tarim Basin revealed that the upper limit of maturity for natural gas generation or the "deadline of gas generation" for marine types I and II kerogens is equal to 3.0% of vitrinite reflectance (Ro); while the "deadline of gas generation" for type III kerogens typically like coals is as high as 10% Ro. Thus, different organic matter has obviously different utmost maturities for gas generation. The mass-balance calculation by kerogen elements showed that when Ro>1.5%, the utmost amount of gas generation for the marine type II kerogen is less than 185 m3.t TOC, accounting for less than 3.% of its total hydrocarbon generative potential; when Ro>2.0%, it becomes 110 m3.t TOC, less than 20% of the total hydrocarbon generative potential. The amount of the gas generative potential obtained by Rock-Eval is only around one tenth of the calculated value by the mass balance of kerogen elements at the same thermal evolutionary stage, while those by Py-GC and gold-tube sealing simulation are intervenient between the above two. The utmost of gas generative potential at the over 1.3. Ro stage is around 60―90 m3.t TOC, therefore, the amount of gas generation obtained by Rock-Eval is the minimum of gas generative potential, while that by the mass-balance calculation of kerogen elements is the maximum that the actual amount of gas generation should not exceed.

关键词： marine source rock kerogen maturity natural gas deadline of gas generation utmost of gas generative potential

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塔里木盆地塔中地区古生界油气成藏体系

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新疆石油地质 2004年第6期25卷 599-602页

作者：刘克奇刘玉魁敬兵杨喜峰石油大学盆地与油藏研究中心中国石油塔里木油田分公司勘探开发研究院新疆库尔勒841000 中国石油吉林油田分公司新木采油厂地质所吉林松原138000

油气成藏体系是地表以下含油气的自然系统,它包括了形成油气藏的一切必要元素以及这些元素之间有效的配置结构,其中的元素是烃源岩、输导体系和圈闭。塔中早古生代和晚古生代成藏体系的烃源岩、输导体系和圈闭均为分离状,都属于三位成... 详细信息

油气成藏体系是地表以下含油气的自然系统,它包括了形成油气藏的一切必要元素以及这些元素之间有效的配置结构,其中的元素是烃源岩、输导体系和圈闭。塔中早古生代和晚古生代成藏体系的烃源岩、输导体系和圈闭均为分离状,都属于三位成藏体系,但前者的油气来源单一(单源),后者的油气来源多样(多源),故两者分别被称之为塔中早古生代单源三位成藏体系和塔中晚古生代多源三位成藏体系。烃类流体主要来源于塔中北斜坡烃源岩,烃类流体沿不整合面和志留系砂岩层侧向运移,再沿断裂向上运移,分别为早古生代和晚古生代成藏体系提供油气。

关键词：晚古生代早古生代烃源岩圈闭塔中地区油气成藏古生界成藏体系输导体系烃类

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Transition from platemargin to intraplate environment: Geochemistry of basalts in Paleogene Liaohe basin, northeastern china

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Science china Earth Sciences 2005年第12期48卷 2069-2080页

作者： WU Changzhi1, GU Lianxing1, REN Zuowei1,2, ZHANG Zunzhong1, CHEN Zhenyan2 & ZHAO Ming1 1. State Key Laboratory of Mineral Deposit Research (Nanjing University), Department of Earth Sciences, Nanjing University, Nanjing 210093. china 2. Exploration and Development Research Institute of Liaohe oilfield Branch company, Petro{3., Panjin 124010, china 1. State Key Laboratory of Mineral Deposit Research (Nanjing University) Department of Earth Sciences Nanjing University 210093 Nanjing China 2. Exploration and Development Research Institute of Liaohe oilfield Branch company PetroChina 124010 Panjin China

Paleogene basalts from the Liaohe basin, northeastern china, are dominated by alkaline olivine basalts and olivine basalts. These basalts are generally enriched in high field strength elements (HFSE), depleted in large ion lithophile elements (LILE) and comparable to those of typical ocean island basalts (OIB). Positive anomalies of Ba, Sr and Zr with high Nb/U, U/Pb, Ce/Pb and Zr/Hf ratios imply that materials from an oceanic crust had been added to the mantle sources of the basalts. In addition, the basalts are generally depleted in Sr, Nd and Pb isotopes, indicating that an enriched mantle (EMI) and a depleted mantle (DM) sources were added to the OIB-like resource. Comprehensive research on lithosphere evolution and tectonic setting of the Liaohe basin and surrounding areas suggests that these basalts were derived by variable degrees of partial melt-ing from an upwelling asthenosphere mantle. Materials from an oceanic lithosphere were added to the source in company with Paleogene tectonic transition from platemargin to intraplate envi-ronment. Retreating and steepening of the subducting Pacific oceanic plate could be the main cause for the tectonic environment transition.

关键词： geochemistry, basalt, Paleogene, Liaohe basin, North china Block, eastern china.

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