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

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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 research Organization,Petroleum Resources,PO Box 136,North Ryde,New South Wales,1670,Australia 3 research institute of Petroleum exploration and Development,Petrochina,beijing 100083,china 4 research institute of exploration and Development,Changqing Petroleum Corporation,Xi’an 710021,china Guangzhou institute of Geochemistry the Chinese Academy of Sciences Guangzhou China Common Wealth Scientific and research Organization Petroleum Resources North Ryde Australia research institute of Petroleum exploration and Development PetroChina Beijing China research institute of exploration and Development Changqing Petroleum Corporation Xi’an China

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

Application of backflush and micro-flow techniques to the analysis of C5—C13 hydrocarbons in crude oils and its geochemical significance

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Progress in Natural Science:Materials International 2007年第11期17卷 1382-1387页

作者： Wang Peirong1,2, Zhao Hong2,3, Xu Guanjun1,4, Zhu Cuishan2,3, Xiao Tingrong4, Zhang Min2,3 and Zhang Bin1,4(1. Key Laboratory of Petroleum Geochemistry, china National Petroleum Corporation, beijing 100083, china 2. Geochemistry Department of Yangtze University, Jingzhou 434023, china 3. Key Laboratory of exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze University, Jingzhou 434023, china 4. Petroleum Geology Central Laboratory, research institute of Petroleum exploration and Development, Petrochina, beijing 100083, china) Key Laboratory of Petroleum Geochemistry China National Petroleum Corporation Beijing 100083 China Geochemistry Department Yangtze University Jingzhou 434023 China Key Laboratory of exploration Technologies for Oil and Gas Resources Yangtze University Jingzhou 434023 China Petroleum Geology Central Laboratory Research Institute of Petroleum Exploration and Development PetroChina Beijing 100083 China

An Agilent 6890N GC equipped with both FID and Agilent 5975 MSD analyzer has been employed to analyze C5—C13 hydrocarbon fractions of crude oils. A technical combination of program temperature volatilizer injection, backflush and micro-flow controller afforded a fine separation of C5—C13 compounds on a PONA column with the heavy part of crude oils being cut off before entering the analytical column. Both GC-FID chromatogram and GC-MS mass chromatograms (MID and full scan) could be obtained at the same time. The retension time differences of nC6—nC13 alkanes between GC and TIC were in the range of 0.02—0.58 minutes. Totally 286 peaks have been assigned group compositions. Results on 8 typical oil samples from CNPC Key Laboratory Crude Oil Library showed that the characteristics of C6—C13 hydrocarbon group composition could be used in oil-oil correlation studies.

关键词： GC analysis GC/MS analysis backflush micro-flow controller light fraction in crude oil

Gas formation mechanism of marine carbonate source rocks in china

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Science china Earth Sciences 2005年第4期48卷 441-453页

作者： ZHAO Wenzhi1, WANG Zhaoyun1, HE Haiqing2, ZHANG Mingjie3, WANG Hongjun1, WANG Yunpeng4 & QIN Yong5 1. research institute of Petroleum exploration & Development, Petrochina, beijing 100083, china 2. Petrochina exploration & production, beijing 100011, china 3. Department of Geology, Lanzhou University, Lanzhou 730000, china 4. Guangzhou Geochemical institute, Chinese Academy of Sciences, Guangzhou 510640, china 5. china University of Mining and Technology, Xuzhou 221000, china research institute of Petroleum exploration & Development PetroChinaBeijin China Petrochina exploration & production Beijing China Department of Geology Lanzhou University Lanzhou China Guangzhou Geochemical institute Chinese Academy of Sciences Guangzhou China china University of Mining and Technology Xuzhou China

By breaking through the conventional ideology on the study of gas-formation mechanism of source rocks which focused on merely the characteristics of source rocks them- selves, and based on the development and distribution characteristics of marine carbonate source rocks in the medium-to-bottom parts of the Chinese superimposed sedimentary basins as well as various processes in the course of gas generation and reservoir forming, the complex hydrocarbon-generating model of carbonates is established. Such a model concerns not only the “three-stage” gas formation characteristics of carbonates, but also the gas generation process due to a thermal cracking of oil and the re-generation process of gas from heated secondary organic matters during the gas-generation and reservoir-forming course. The high-quality hy- drocarbon generating matter of marine carbonate source rocks determined a high gas-oil ratio and tended to form paleo-oil-reservoirs, representing an enrichment process of organic matters. The thermal cracking of oil in palaeo-oil-reservoirs is an important means for the effective forma- tion of gas reservoirs. The secondary organic matters in carbonate reservoirs may regenerate gas after a secondary deep burial, thus becoming an effective gas source.

关键词： carbonate, three-stage hydrocarbon generation, inhibitive effect of maturity, oil-cracking gas, second-ary asphalt gas.

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 45mm×45mm, 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

Patterns of platinum-group elements in mantle peridotite, granulite xenoliths and basalt in Hannuoba

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Chinese Science Bulletin 1999年第18期44卷 1676-1681页

作者： CHU Xuelei, LI Xiaolin, XU Jiuhua and LIU Jianming1. The research Center of Mineral Resources exploration , Chinese Academy of Sciences , beijing 100101, china 2. institute of Geology , Chinese Academy of Sciences , beijing 100029, china 3. institute of High Energy Physics , Chinese Academy of Sciences , beijing 100817 , china 4. beijing University of Science and Engineering , beijing 100083, china Corresponding author The research Center of Mineral Resources exploration Chinese Academy of Sciences Beijing China institute of Geology Chinese Academy of Sciences Beijing China institute of High Energy Physics Chinese Academy of Sciences Beijing China beijing University of Science and Engineering Beijing China

Neutron activation analysis after preconcentration of nickel sulfide fire assay was used in measurement of Ru, Ph, Pd, Os, Ir, Pt (i.e. PGE elements) and Au concentrations for basalt, mantle and granulite xenoliths in Hannuoba. The chondrite- and primitive mantle-normalized PGE patterns generally exhibit flat (for Iherzolite), negative slope (for harzburgite),

关键词： mantle xenolith granulite xenolith basalt platinum-group element Hannuoba.

Advances in DCC Process and Catalyst for Propylene production from Heavy Oils

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china Petroleum Processing & Petrochemical Technology 2011年第1期13卷 1-5页

作者： Liu Yujian Long Jun Tian Huiping Xu Yun Zhao Liuzhou (research institute of Petroleum Processing,sinopec,beijing 100083) research institute of Petroleum Processing SINOPEC Beijing 100083 China

In the past several decades,sinopec has devoted continuously great efforts to the development of DCC technology,the only commercial process using heavy feeds aiming at propylene ***,a series of research breakthroughs have been achieved in molecular *** on the detailed analysis on the complex DCC reaction network,an innovative catalyst technology has been developed to Optimize Catalysis Kinetics (OCK in brief).The deep-cracking process can be improved with optimizing the availability of the active *** updated MFI and beta zeolites are used to boost the propylene *** latest generation catalyst DMMC-1 has been applied *** with the best historical records in the past,the propylene yield upon application of the catalyst DMMC-1 increases by 2.4 m% coupled with an improved distribution of *** DCC technology continues to assume a leading position for manufacturing propylene from heavy feedstocks.

关键词： petrochemical engineering propylene catalytic cracking catalyst catalysis kinetics

SOME CHARACTERISTICS OF GAS POOLS (FIELDS) IN china

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石油勘探与开发 1997年第2期24卷 91-95页

作者： Dai Jinxing( Academician of the Chinese Academy of Sciences research Insitute of Petdsm exploration and Development, CNPC, beijing, 100083)

Chinese natural gas Pools (fields) are chiefly hydrocarbon gas pools (fields), with a few of CO2 and a tiny of H2S ones. The gas genetic types are multiple, dominated by oil-type gas and coal-formed gas types,and then followed by other types such as the biogas, mixed gas, H2S-rich gas and abiogenetic gas etc.. The medium-large sized gas pools (fields), in number, account for onIy 13% of the total gas and oil-gas fields in china, but they pes more than 70% gas reserves of the total. The abiogenetic CO2 gas pooIs (fields) are mainly located in the eastern oil-gas bearing basins, such as the Bohai Bay, Songliao, Subei, Sanshui, East china Sea and Zhujiangkou basins etc.. Natural gas pools (fields) tend to develop in or surround the gas generation centers of sedimentary basins.

关键词： Natural gas Gas reservoir Gas field Feature Gas reservoir type Natural gas origin Petroliferous basin (Gas generation center)

PETROLIFEROUS　PROVINCE　AND　RESOURCE　POTENTIAL　OF　THE　NORTHEAST　ASIA　THE　MOST　PROSPECTIVE　NEW──THE　MOST　PROSPECTIVE　NEW　PROVINCE　IN　ASIA

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石油勘探与开发 1994年第2期 110-118页

作者： Hu Jian-yi Xu Shu-bao Don Li-rong(research institute of Petroleum exploration and Development, CNPC.beijing, china, 100083)

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关键词： petroliferous basin folded belt (Northeast Asia) (Siberian Plate) (Sino-Korean Plate)

Geochemical characteristics and source rock of Ordovician gas reservoir, Changqing Gasfield

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Chinese Science Bulletin 1999年第20期44卷 1917-1920页

作者： XIA Xinyu, ZHAO Lin, ZHANG Wenzheng and LI Jianfengresearch institute of Petroleum exploration and Development, beijing 100083, china Changqing Petroleum exploration Bureau, XL an 710021 , china research institute of Petroleum exploration and Development Beijing China Changqing Petroleum exploration Bureau Xi’an China

Carbon isotopic composition of methane in Ordovician gas reservoir in the Changqing Gasfield can reflect the dominance of Upper Paleozoic coal-type gas despite its high mature degree. The 12C-rich ethane in the Ordovician reservoir (δ13C2 < - 29‰), known as a marker as oil-type gas, does not indicate the Ordovician marine carbonate as main source rock, it is be-

关键词： methane ethane carbon isotope natural gas genesis. Changqing Gasfield.