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Tancheng－Lujiang　Fault　System：　Its　Characters　and　Control　on　oil－gas　Distribution　in　Eastern　china

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Journal of Earth Science 1996年第2期15卷 197-203页

作者： Chen Quanmao Liang Xiaodong Zhang Guangya Chen Jinghua(Department of Petroleum Geology, china University of Geosciences, Wuhan 430074)Wu Zejian Liao Xingmin(liaohe Bureau of Petroleum exploration, panjin 124010)

Tancbeng-Lujiang fault system is one of the largest strike-slip fault systems in eastern *** extends southward to Beibuwan Bay to the west of hainan Island and northward through Lujiang of Anhui Province, Tancheng of Shandong Province and Luobei of Heilongjiang Province in china to the territory of Russia. Its formation is related to the subduction of Kula-Pacific plate to the Asian continent. It is oriented approximately parallel to the eastern edge of Asia. It is dominated by the sinistral translation from Jurassic to Eocene and then by dextrose strike-slip. It has the following characters: (1)clear linear character; (2)sharp dip angle, usually changing between normal and reverse faults; (3)showing braided structure on the plan and flower structure in section;(4)alternated by uplifts and sags along the fault belt; (5.many stages of the eruptions of alkaline to calc-alkaline basalt magma along the fault belt; and (6) frequent activities of earthquakes along the fault belt. Its control over the oil-gas distribution is shown by the following racts: (1) the formation of many oil-bearing fault depressions; (2) the increase of the basin area it has passed through, thus increasing the basin's subsiding quantity and the oil reservoirs; and (3)the formation of many kinds of oil-gas trap structures.

关键词： strike-slip fault,sinistral translation,dextrose strike-slip,fault depression,subsiding quantity trap structure

Mn content of reservoir calcite cement: A novel inorganic geotracer of secondary petroleum migration in the tectonically complex Junggar Basin (NW china)

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Science china Earth Sciences 2007年第12期50卷 1796-1809页

作者： CAO Jian1,HU WenXuan1,YAO SuPing1,ZHANG YiJie2,WANG XuLong3,ZHANG YueQian3,TANG Yong3 & SHI XinPu3 1 State Key Laboratory for Mineral Deposit Research,Department of Earth Sciences,Nanjing University,Nanjing 210093,china 2 Research Institute of exploration and Development,petrochina,Beijing 100083,china 3 Research Institute of exploration and Development,petrochina Xinjiang oilfield company,Karamay 834000,china State Key Laboratory for Mineral Deposit Research Department of Earth Sciences Nanjing University Nanjing China Research Institute of exploration and Development PetroChina Beijing China Research Institute of exploration and Development PetroChina Xinjiang Oilfield Company Karamay China

Electronic probe microanalysis(EPMA) results of reservoir calcite cement from fourteen core samples in the Junggar Basin show that Mn-content varies largely between different samples from below the detect limitation to 4.14%,while it displays a generally good correlation with oil-gas ***,therefore,likely indicates that concentration of the Mn-content of the calcite cement has a close rela-tion to the intensity of petroleum fluid charging during hydrocarbon secondary *** order to assess this hypothesis,oxygen and strontium isotopic measurements on sixteen calcite veins host in source sequences were carried out to investigate the feature of the oil-source petroleum *** results imply that during hydrocarbon generation and migration,deep hot fluid has dissolved volcanic minerals interlined between mudstone source *** Mn is a kind of typical trace element enriched in volcanic rocks,it is reasonable to conclude that the petroleum fluid formed in the source sequences would be ***,calcite cements precipitated from such Mn-rich petroleum fluid would be Mn-rich *** to the geologic chromatographic effect during migration along reservoir rocks,the decreasing of the Mn-content of the reservoir calcite cements indicates the migration ***,this novel geotracer was further successfully applied in the study of hydrocarbon migration in the Junggar Basin in combination with organic geochemical analyses during the hydrocarbon *** Mn content of the reservoir calcite cement appears promising as a novel inorganic geotracer for the petroleum *** paper represents a search for novel indicators of secondary petroleum migration in tectonically complex basins based on fundamentals of the reservoir fluid-rock interactions.

关键词： Petroleum migration, inorganic geochemistry, water-rock interaction, reservoir calcite cement, the Junggar Basin

Formation mechanism and geochemical characteristics of shallow natural gas in heavy oil province,china

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Science china Earth Sciences 2008年第S1期51卷 96-106页

作者： ZHU GuangYou,ZHANG ShuiChang,ZHAO WenZhi,WANG ZhengJun,LIANG YingBo, ZHAO XueFeng&ZHANG JingYan petrochina oil Geologic Lab Center,Research Institutes of petrochina exploration and Development,Beijing 100083,china Research Institutes of petrochina exploration and Development PetroChina Oil Geologic Lab Center Beijing China

Shallow gas reservoirs are distributed widely in Chinese heavy oil-bearing *** present,shallow gas resources have opened up giant *** previous researches indicate the intimate genetic relationship between shallow gas and heavy *** gas resources are generated from crude oil degraded by anaerobic microscopic organism,it belongs to biogenic gas family of secondary genesis, namely heavy oil degraded *** gas resources are usually distributed in the upward position or the vicinity of heavy oil *** are mainly of dry gas,which are composed of methane and only tiny C2 + heavy hydrocarbon and relatively higher contents of nitrogen ***,methane isotopes are light,whose values are between biogenic gas and thermal cracking *** isotopes are heavy,which mixed possibly with thermogenic *** dioxide bear the characteristics of very heavy carbon isotope,so carbon isotopic fractionation effects are very obvious on the process of microscopic organism degradation crude *** heavy oil degraded gas formation,a very complex geological,geochemical and microbiological geochemical process,is the result of a series of reactions of organic matter-microbes and water-hydrocarbon,which is controlled by many factors.

关键词： heavy oil degraded gas shallow gas heavy oil biogenic gas anaerobic degradation

Total alkyl dibenzothiophenes content tracing the filling pathway of condensate reservoir in the Fushan Depression,South china Sea

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Science china Earth Sciences 2008年第S2期51卷 138-145页

作者： LI MeiJun1,WANG TieGuan1,LIU Ju2,ZHANG MeiZhu2,LU Hong3,MA QinLin2 & GAO LiHui2 1 State Key Laboratory of Petroleum Resources and Prospecting,Earth Sciences and Geoinformatics School,china University of Petroleum,Beijing 102249,china 2 Southern oil exploration and Development company,{5.,Guangzhou 5.0640,china 3 Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 5.0240,china State Key Laboratory of Petroleum Resources and Prospecting Earth Sciences and Geoinformatics School China University of Petroleum Beijing China Southern oil exploration and Development company PetroChina Guangzhou China Guangzhou Institute of Geochemistry Chinese Academy of Sciences Guangzhou China

The condensates are generally characterized by high maturity,low concentration of steranes and ter-panes biomarkers and low content of non-hydrocarbon fraction. In this case commonly used steranes,terpanes and carbazoles parameters cannot be effectively applied in the reservoir-filling tracing. The hydrogen bond formed by sulfur atom in the dibenzothiophenes (DBTs) results in molecule adsorption and fractionation during oil migration in reservoir. Like carbazoles,total DBTs content decreases with the increasing of oil migration distance. Therefore,a new parameter——total DBTs content is proposed to be used to trace the oil migration orientation and filling pathway. In present study,total DBTs con-tents of condensates and light oils are obtained by adding internal standard——eight deuterium atoms substituted DBT during gas Chromatography-Mass Spectrometry analysis of aromatic fraction. Except for a few samples with much lower content of non-hydrocarbon fraction,the total DBTs content shows a fine positive correlation with that of carbazoles. Large errors can be caused in the process of pyrrolic nitrogen compounds separation. The application of this new parameter in the Fushan Depression of Beibu Gulf Basin,South{5. Sea indicates that this parameter is a reliable one to trace filling pathway in condensate reservoirs. Combined with other DBTs-related parameters,such as 4-/1-methydibenzo-thiophene and 2,4-/1,4-dimethyldibenzothiophene,oil migration orientation and filling pathway of the Fushan Depression was determined. The accumulations of Huachang oil field in the Fushan Depres-sion are mainly migrated and charged from northeast to southeast along the Huachang uplift. It can be predicated that the light oil and condensates in the Huachang oil field should be sourced from the source kitchen at the Bailian Sag. It shows that total DBTs content is an effective parameter to tracing oil migration orientation and filling pathway.

关键词： dibenzothiophene alkyl dibenzothiophene condensate reservoir filling pathway molecular markers the Fushan Depression

Characteristics,genesis and accumulation history of natural gas in Hetianhe gasfield,Tarim Basin,china

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Science china Earth Sciences 2008年第S1期51卷 84-95页

作者： WANG ZhaoMing 1 ,WANG QingHua 1 ,ZHAO MengJun 2 ,LI Yong 1 &XU ZhiMing 3 1 Tarim oilfield company,petrochina,Kuerle 841000,china 2 Research Institute of Petroleum exploration&Development,petrochina,Beijing 100083,china 3 Southwest Petroleum Institute,Nanchong 637001,china Tarim oilfield company PetroChina Kuerle China Research Institute of Petroleum exploration & Development PetroChina Beijing China Southwest Petroleum Institute Nanchong China

Hetianhe gasfield in Bachu region of the Tarim Basin is mainly composed of three reservoir-caprock assembly,namely regional caprock of upper mudstone,middle mudstone and lower mudstone of the Carboniferous and reservoir of Bachu bioclastic limestone,glutenite and the Ordovician carbonate buried *** gas in Hetianhe gasfield sourced from the Cambrian source *** is thought that gases in Ma4 well block in the east of Hetianhe gasfield are mainly crude-{5. cracked gases,while those in Ma3 and Ma8 well blocks in the west are the mixture gases of kerogen cracked gases and crude-{5. cracked *** gas is rich in H2S and accumulated in multiply stages as the result of *** accumulation history is divided into three stages,namely accumulation and breakage in the late Caledonian-early Hercynian,migration and dissipation in the late Hercynian and accumulation in Himalayan. The main accumulation of reformed gas reservoir is in Himalayan.

关键词： gas characteristics gas genesis accumulation history Hetianhe gasfield Tarim Basin

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 61005.,china State Key Laboratory of EOR Research Institute of Petroleum Exploration & Development PetroChina Beijing China Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education China University of Geosciences Wuhan China State Key Laboratory of EOR Research Institute of Petroleum Exploration & Development Petrochina Beijing China Southwest Branch company SINOPEC Chengdu China Research Institute of Petroleum exploration and Production SINOPEC Beijing 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

Physical simulation of fluid flow and production performance in extra-low permeability porous media

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Petroleum Science 2009年第4期6卷 415-420页

作者： You Yuan Yue Xiang’an Li Mingyi Zhao Chunpeng Zhang Tao Key Laboratory of Petroleum Engineering Ministry of EducationChina University of PetroleumBeijing 102249China Enhanced oil Recovery Research Center China University of PetroleumBeijing 102249China Jilin oil Field PetroChinaSongyuanJilin 138000China exploration&Production Research Institute SinopecBeijing 100083China exploration Department Changqing Oil FieldPetroChinaXi’anShaanxi 710018China

For extra-low permeability reservoirs, with a permeability of about 0.3×10?3 μm2, fluid flow and production performance in cores were studied. A long core holder with a multi-location piezometric measurement was specially designed. An artificial long core, about 700 mm long and with a cross section of 45.m×45.m, was used. In the experiment, pressure distribution along the core can be measured in real time. Single phase flow in the core was investigated. Different modes of production in long cores were also simulated including natural depletion, water flooding, and advanced water flooding. Through physical simulation, flow parameters were collected and production characteristics in extra-low permeability cores were studied. From experimental results, it can be seen that fluid flow in extra-low permeability cores is different from that in high permeability cores. Transmission of pressure in extra-low permeability cores is very slow, and it needs a long time for the pressure to become stable. The distribution curve of pressure along the core is nonlinear and the production rate in extra-low permeability reservoirs decreases sharply. The development effects of different production modes in extra-low permeability cores were compared with one another. Among the production modes, advanced water flooding has much potential for effective development of extra-low permeability reservoirs. Natural depletion and conventional water flooding can also be used in early production periods. In addition, the countermeasures and some ideas especially for the potential development of extra-low permeability reservoirs are suggested.

关键词： Extra-low permeability reservoirs physical simulation fluid flow production performance

New Advances in Catalytic Systems for Conversion of CH4 and CO2

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Journal of Energy Chemistry 2002年第Z2期 109-116页

作者： Gengliang ChenResearch Institute of Natural gas Technology, Southwest oil and gas Field company, Petro- china

One of the main goals for developing the C1 chemical industry is the direct conversion of methane and carbon dioxide to useful products. To realize this goal, researches on new catalytic systems are being globally focused. The exploration has been evolved from traditional heterogeneous catalysis into homogeneous catalysis. Coordinate complexes, biochemical and bionics, and photo- and electrochemical catalysis have been extensively studied in recent years. Tests in laboratories have verified for the direct conversion of CH4 to CH3OH that single-pass converstion of CH4 can reach over 70% in both Hg(II) salt and Pt(II) complex systems. The main problem of these systems is the obstacles involving reaction kinetics, so they must be solved before moving to pilot tests. Other catalytic systems discussed in the present article include explorations in the early stage. Among them, features of photo and enzymatic catalyst systems, such as mild reaction conditions, better selectivity and environmentally friendliness

关键词： 

china's Fruitful Offshore oil and gas exploration

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china oil & gas 1996年第3期3卷 176-177页

作者： Zheng Yan(china National Offshore oil Corporation) china National Offshore oil Corporation

Ｃｈｉｎａ＇ｓＦｒｕｉｔｆｕｌＯｆｆｓｈｏｒｅＯｉｌａｎｄＧａｓＥｘｐｌｏｒａｔｉｏｎＺｈｅｎｇＹａｎ（ＣｈｉｎａＮａｔｉｏｎａｌＯｆｆｓｈｏｒｅＯｉｌＣｏｒｐｏｒａｔｉｏｎ）Ｋｅｙｗｏｒｄｓ：Ｏｆｆｓｈｏｒｅ，Ｐｅ... 详细信息

Ｃｈｉｎａ＇ｓＦｒｕｉｔｆｕｌＯｆｆｓｈｏｒｅＯｉｌａｎｄＧａｓＥｘｐｌｏｒａｔｉｏｎＺｈｅｎｇＹａｎ（ＣｈｉｎａＮａｔｉｏｎａｌＯｆｆｓｈｏｒｅＯｉｌＣｏｒｐｏｒａｔｉｏｎ）Ｋｅｙｗｏｒｄｓ：Ｏｆｆｓｈｏｒｅ，Ｐｅｔｒｏｌｅｕｍ，Ｅｘｐｌｏｒａｔｉ...

关键词： Offshore Petroleum exploration