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Sporopollen Assemblages from the Cretaceous Yimin Formation of the Hailar Basin,Inner Mongolia,China 被引量:11
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作者 WAN Chuanbiao QIAO Xiuyun +5 位作者 XU Yanbin SUN Yuewu REN Yanguang JIN Yudong GAO Ping LIU Tongyan 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2005年第4期459-470,共12页
Three sporopollen assemblages are recognized for the first time from the Cretaceous Yimin Formation in the Hailar Basin of eastern Inner Mongolia. They are (in ascending order): the lmpardecispora-Aequitriradites- ... Three sporopollen assemblages are recognized for the first time from the Cretaceous Yimin Formation in the Hailar Basin of eastern Inner Mongolia. They are (in ascending order): the lmpardecispora-Aequitriradites- Clawttipollenites assemblage; the Triporoletes-Pilosisporites-Asteropollis assemblage; and the Appendicisporites- Asteropollis-Tricolpites assemblage, distributed in Members 1, 2 and 3 of the Yimin Formation respectively. Recognition of this biostratigraphic sequence is very important for the division and correlation of the Yimin Formation in the basin. Meanwhile, the age of the Yimin Formation is considered to be Barremian to Early Albian based on the palynological data. 展开更多
关键词 CRETACEOUS Barremian-Early Albian sporopollen assemblage ANGIOSPERMS hailar Basin Inner Mongolia
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Origin and genetic family of Huhehu oil in the Hailar Basin, northeast China 被引量:1
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作者 Yao-Ping Wang Fan Zhang +2 位作者 Yan-Rong Zou Zhao-Wen Zhan Yulan Cai 《Acta Geochimica》 EI CAS CSCD 2018年第6期820-841,共22页
The Huhehu Sag is one of the most important oil and gas depressions in the Hailar Basin. However, the origin of Huhehu oil is still controversial. Previous studies on source rocks have mainly focused on the Nantun For... The Huhehu Sag is one of the most important oil and gas depressions in the Hailar Basin. However, the origin of Huhehu oil is still controversial. Previous studies on source rocks have mainly focused on the Nantun Formation(K1 n); a few studies have investigated the Damoguaihe Formation(K1 d). Based on the Rock–Eval pyrolysis parameters, 172 drill cutting samples from the Huhehu Sag were analyzed to evaluate their geochemical characteristics. Based on the Rock–Eval data, the mudstones from the first member of the Damoguaihe Formation(K1 d1) and the second member of the Nantun Formation(K1 n2) have moderate to high hydrocarbon generation potential, while mudstones from the first member of the Nantun Formation(K1 n1) have poor to good hydrocarbon generation potential.Additionally, both the K1 n1 and K1 n2 coal members have poor to fair hydrocarbon generation potential, but the K1 n2 coal member has a better generative potential. Fifteen Huhehu oils were collected for molecular geochemical analyses to classify the oils into genetic families and to identify the source rock for each oil using chemometric methods. The Huhehu oils were classified into three groups with different maturity levels using hierarchical cluster analysis and principal component analysis. Group A oils(high maturity) are characterized by relatively moderate ratios of Pr/Ph, Pr/n-C17, and Ph/n-C18, as well as an abundance of C29 steranes, mainly derived from the K1 n2 and K1 n1 mudstone members. In comparison, group B oils(moderate maturity) have relatively low Pr/Ph ratios,moderate Pr/n-C17 and Ph/n-C18 ratios, and low concentrations of C29 steranes. Group C oils(low maturity) show relatively high ratios of Pr/Ph, Pr/n-C17, and Ph/n-C18, as well as high concentrations of C29 steranes. Furthermore,group B oils derived from the K1 d1 mudstone member and group C oils derived from the K1 n2 coal member were also identified by principal component analysis score plots.Correlation studies suggest a major contribution from the K1 n mudstone Formation and the K1 d1 mudstone member to the oils of the Huhehu Sag. So, the Nantun Formation and relatively shallow strata of the Damoguaihe Formation(e.g., the K1 d1 member) represent important targets for future oil-reservoir exploration in the Huhehu Sag. 展开更多
关键词 hailar Basin Huhehu Sag Biomarkers CHEMOMETRICS Oil–oil and oil–source rock correlations
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Rhenium-osmium(Re-Os)geochronology of crude oil from lacustrine source rocks of the Hailar Basin,NE China 被引量:1
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作者 Qi-An Meng Xue Wang +8 位作者 Qiu-Li Huo Zhong-Liang Dong Zhen Li Svetlana GTessalina Bryant DWare Brent IAMcInnes Xiao-Lin Wang Ting Liu Li Zhang 《Petroleum Science》 SCIE CAS CSCD 2021年第1期1-9,共9页
Re-Os radiometric dating of crude oil can be used to constrain the timing of hydrocarbon generation,migration or charge.This approach has been successfully applied to marine petroleum systems;however,this study report... Re-Os radiometric dating of crude oil can be used to constrain the timing of hydrocarbon generation,migration or charge.This approach has been successfully applied to marine petroleum systems;however,this study reports on its application to lacustrine-sourced natural crude oils.Oil s amples from multiple wells producing from the Cretaceous Nantun Formation in the Wuerxun-Beier depression of the Hailar Basin in NE China were analysed.Subsets of the Re-Os data are compatible with a Cretaceous hydrocarbon generation event(131.1±8.4 Ma)occurring within 10 Myr of deposition of the Nantun Formation source rocks.In addition,two younger age trends of 54±12 Ma and 1.28±0.69 Ma can be regressed from the Re-Os data,which may reflect the timing of subsequent hydrocarbon generation events.The Re-Os geochronometer,when combined with complementary age dating techniques,can provide direct temporal constraints on the evolution of petroleum system in a terrestrial basin. 展开更多
关键词 Re-Os dating Lacustrine crude oils hailar basin Petroleum system evolution
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Selective dissolution of eodiagenesis cements and its impact on the quality evolution of reservoirs in the Xing'anling Group,Suderte Oil Field, Hailar Basin, China 被引量:1
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作者 Zhen-Zhen Jia Cheng-Yan Lin +1 位作者 Li-Hua Ren Chun-Mei Dong 《Petroleum Science》 SCIE CAS CSCD 2016年第3期402-417,共16页
Reservoirs in the Xing'anling Group in the Suderte Oil Field,Hailar Basin exhibit ultra-low to low permeability and high tuffaceous material content.This study comprehensively analyzed diagenesis and quality evolutio... Reservoirs in the Xing'anling Group in the Suderte Oil Field,Hailar Basin exhibit ultra-low to low permeability and high tuffaceous material content.This study comprehensively analyzed diagenesis and quality evolution of these low-permeability reservoirs using thin sections,SEM samples,rock physical properties,pore water data,as well as geochemical numerical simulations.Calcite and analcite are the two main types of cements precipitated in the eodiagenetic stage at shallow burial depths in the reservoirs.These two cements occupied significant primary intergranular pores and effectively retarded deep burial compaction.Petrography textures suggest selective dissolution of massive analcite and little dissolution of calcite in the mesodiagenetic stage.Chemical calculations utilizing the Geochemist's Workbench 9.0indicated that the equilibrium constant of the calcite leaching reaction is significantly smaller than that of the analcite leaching reaction,resulting in extensive dissolution of analcite rather than calcite in the geochemical system with both minerals present.Numerical simulations with constraints of kinetics and pore water chemistry demonstrated that the pore water in the Xing'anling group is saturated with respect to calcite,but undersaturated with analcite,leading to dissolution of large amounts of analcite and no dissolution of calcite.Significant secondary intergranular pores have formed in analcite-cemented reservoirs from selective dissolution of analcite in the mesodiagenetic stage;the analcite dissolution formed preferential flow paths in the reservoirs,which promoted feldspar dissolution;and dissolution of such minerals led to the present reservoirs with medium porosity and low permeability.Calcite-cemented tight reservoirs have not experienced extensive dissolution of cements,so they exhibit ultra-low porosity and permeability. 展开更多
关键词 Eodiagenetic cements Calcite Analcite Selective dissolution Secondary porosity hailar Basin
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Petroleum Generation Kinetics and Geological Implications for Jurassic Hydrocarbon Source Rocks,Hongqi Depression,Hailar Basin,Northeast China
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作者 XIE Mingxian MA Feng +4 位作者 CHEN Guangpo LIU Chang XIAO Rong SU Yuping ZHANG Chengjun 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2023年第2期548-561,共14页
A sample from the Jurassic Tamulangou Fm.and two comparison samples from the Cretaceous Fm.were used to document the hydrocarbon generation kinetics and phase behaviors at two heating rates using the confined gold tub... A sample from the Jurassic Tamulangou Fm.and two comparison samples from the Cretaceous Fm.were used to document the hydrocarbon generation kinetics and phase behaviors at two heating rates using the confined gold tube system.The results show that the different heating rates affect the reaction rates,paths and levels of organic matter evolution.The average activation energy and dominant frequency activation energy of liquid hydrocarbon are significantly lower than those of gaseous.Moreover,igneous intrusion had a positive effect on the blooming,enrichment and preservation of organic matter,promoting a Ro increase of 0.09%–1.07%in the Jurassic Tamulangou Fm.Two models were used to simulate the normal and abnormal evolution caused by thermal events combined hydrocarbon generation kinetic parameters.Thermal simulation analysis shows that oil generation was initially slow and then increased rapidly until a burial depth of 1500 m was reached at~128 Ma.The largest hydrocarbon expulsion began at~120 Ma,corresponding to a burial depth of 2450 m.The maximum cumulative yield is 510 mg/g TOC,and it is still in the peak period of hydrocarbon generation,which demonstrates a favorable potential for hydrocarbon exploration. 展开更多
关键词 KINETICS hydrocarbon generation history igneous intrusion Jurassic Tamulangou Fm. hailar Basin
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Climate characteristics of the eastern Mongolian Plateau,China during the early Early Cretaceous(145-132 Ma):Palynological evidence from the Tongbomiao Formation in Well Hong-6,Hailar Basin
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作者 Yan Zhang Yun-fei Xue +4 位作者 Chun-yang Bu Ti Li Xin Zhang Yu-dong Jin Yue-wu Sun 《China Geology》 CAS 2022年第3期439-456,共18页
This study identified two palynological assemblages,namely Bayanhuasporites-Cycadopites-Protoconiferus and Cicatricosisporites-Cedripites-Perinopollenites,in the Tongbomiao Formation in the Hongqi Sag in the Hailar Ba... This study identified two palynological assemblages,namely Bayanhuasporites-Cycadopites-Protoconiferus and Cicatricosisporites-Cedripites-Perinopollenites,in the Tongbomiao Formation in the Hongqi Sag in the Hailar Basin,Inner Mongolia,China for the first time.The former is distributed in the lower part of the Tongbomiao Formation and is characterized by abundant gymnosperm pollen and diverse fern spores.Among them,the gymnosperm pollen is dominated by Paleoconifer(4.98%-31.62%)and Cycadopite(8.55%-25.23%)pollen grains and also includes other pollen grains such as Classopollis,Parcisporites,Erlianpollis,Callialasporites,and Jiaohepollis.The fern spores in the former palynological assemblage contain Bayanhuasporite(0-8.96%),Granulatisporites(0.93%-6.97%),and some important Cretaceous genera,such as Cicatricosisporites,Concavissimisporites,Densoisporites,Hsuisporites,Foraminisporis,and Leptolepidites.The Cicatricosisporites-Cedripites-Perinopollenites palynological assemblage is distributed in the upper part of the Tongbomiao Formation.Gymnosperm(77.30%),Pinaceae(31.9%),and Paleoconiferus(19.02%)pollen predominate this palynological assemblage,and Quadraeculina,Erlianpollis,and Jiaohepollis pollen are also common in this assemblage.The fern spores in this palynological assemblage include abundant Cicatricosisporites(4.29%).Besides,Concavissimisporites,Aequitriradites,and Leptolepidites are also common in this palynological assemblage.No angiosperm pollen has been found in both palynological assemblages.The identification of both palynological assemblages provides important evidence for the biostratigraphic correlation between the Hailar Basin and its adjacent areas.It also enables the reconstructions of the Berriasian-Valanginian(Early Cretaceous)vegetation and the paleoclimate on the eastern Mongolian Plateau during 141-132 Ma.The vegetation reconstructed on the palynological data of the represented by Hailar Basin in eastern Mongolian Plateau(141.6-141.4 Ma),form conifer forest or conifer broad-leaved mixed forest to conifer forest with shrubs and grassland,the climate belongs to warm temperate and warm-subtropicalt,the highest temperature is estimated to reach 35-38℃.Form 132.3 Ma,the vegetation type is conifer forest,and its paleoclimate is sub-humid warm temperate,the highest temperature is estimated to reach 24-29℃. 展开更多
关键词 Tongbomiao Formation Palynological Assemblages GYMNOSPERM Berriasian-Valanginian PALAEOVEGETATION Palaeoclimate hailar Basin Mongolian Plateau China
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Oil and Gas Distribution in Hailar Basin,Northeast China
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作者 Yanbin Xu Zishun Li +3 位作者 Ping Gao Meng Tian Xiuyun Qiao Chuanbiao Wan 《Global Geology》 2003年第1期53-58,共6页
Through petroleum exploration of 20 years, a new petroleum production area has been constructed in Hailar Basin. Their petroleum geological characteristics and hydrocarbon distribution has been known in detail. The Ha... Through petroleum exploration of 20 years, a new petroleum production area has been constructed in Hailar Basin. Their petroleum geological characteristics and hydrocarbon distribution has been known in detail. The Hailar Basin is a basin group consisted of many scattered sub-basins with similar structural developed history. Each sub-basin has unique hydrocarbon distributing rules, including (1) oil/gas reservoir distribution is controlled by the oil/gas sag, and the oil/gas bearing in big sag is rich; (2) underwater fan and turbidity fan are the most favorable reservoirs; structure zone controlled by main fault is favorable zone of forming composite oil/gas accumulation; (3) lower fault-block in higher rise and higher fault-block in lower rise are favorable to oil/gas accumulation; (4) deep fault and granite body are closely re-lated to oil/gas reservoir, its distributing area is favorable area of oil and mantle source non-hydrocarbon gas formation; (5) higher geothermal area is favorable oil/gas bearing area. 展开更多
关键词 petroleum geology hydrocarbon distribution fault basin group hailar Basin Northeast China
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FORMATION AND EVOLUTION OF LATE MESOZOIC HAILAR COAL-BEARING BASIN IN EASTERN INNER MONGOLIA, CHINA
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《Geotectonica et Metallogenia》 1994年第Z2期118-118,共1页
关键词 II CHINA FORMATION AND EVOLUTION OF LATE MESOZOIC hailar COAL-BEARING BASIN IN EASTERN INNER MONGOLIA
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Age assignment and geological significance of the “Budate Group” in the Hailar Basin 被引量:4
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作者 MENG Qi'An WAN ChuanBiao +3 位作者 ZHU DeFeng ZHANG YanLong GE WenChun WU FuYuan 《Science China Earth Sciences》 SCIE EI CAS 2013年第6期970-979,共10页
Age and nature of the Budate Group in the Hailar Basin are of great significance in studying the evolution of the Hailar Basin and the Xing'an-Mongolian Orogenic Belt(XMOB).Zircon U-Pb ages of eight volcanic rocks... Age and nature of the Budate Group in the Hailar Basin are of great significance in studying the evolution of the Hailar Basin and the Xing'an-Mongolian Orogenic Belt(XMOB).Zircon U-Pb ages of eight volcanic rocks from the Budate Group and two basement granites in the Hailar Basin were reported in this study.The dating results indicated that the formation of these volcanic rocks was consistent with the emplacement of Late Paleozoic basement granite in age(356-290 Ma),i.e.,Early Carboniferous to Early Permian rather than Early Mesozoic.Combined with regional geology,it was concluded that the Budate Group is the component of the basement of the Hailar Basin,and these volcanic rocks were formed at an active continental margin,which is related to the closure of the Hegen Mountains suture zone.The captured Neoproterozoic zircons(814-873 Ma) were probably derived from the Neoproterozoic basement materials in the Ergun Block,implying the close genetic relationships between the Ergun Block(including the Hailar Basin) and the Siberian Block. 展开更多
关键词 Budate Group volcanic rocks zircon U-Pb dating geological significance hailar Basin
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Reservoir space types and the factors influencing the characteristics of spherulite in rhyolite 被引量:3
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作者 TIAN JingXiong SUN XiaoMeng +1 位作者 ZHANG XuQing SHOU YongCheng 《Science China Earth Sciences》 SCIE EI CAS 2013年第5期748-755,共8页
Oil-gas reservoir space types involving spherulite in pyromeride rocks are common in the Lower Cretaceous Shangkuli Formation, the Hailar Basin, China. The main types include interspherulite fissures, interlayer fissu... Oil-gas reservoir space types involving spherulite in pyromeride rocks are common in the Lower Cretaceous Shangkuli Formation, the Hailar Basin, China. The main types include interspherulite fissures, interlayer fissures, intraspherulite concentric rings and net microcracks, cavity pores, dissolution pores, and devitrification pores. The first two were found to restrict the effective plane porosity of interspherulite. Devitrification microporosities, microcracks, cavity pores, and spherulite diameter influence the effective plane porosity of intraspherulite. The degree of dissolution is determined by the degree of development and the type of intraspherulite microcracks. Another important role of ring and net microcracks is to connect devitrification pores to form a pore and fissure network. Finally, chilling contraction plays an important role in the form and development of interspherulite fissures, microcracks, and cavity pores. The diameter of spherulite restricts chilling contraction, especially when the diameter is between the common spherulites and lithophysae, thus benefiting microcrack and cavity pore formation. To summarize, devitrification microporosities represent excellent oil reservoir space, while offering micro-channels for the movement of formation water and organic fluids. However, the inclusion of microcracks improves this capacity. 展开更多
关键词 hailar Basin Shangkuli Formation SPHERULITE reservoir space chilling contraction DISSOLUTION DEVITRIFICATION
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