Journal of Jilin University(Earth Science Edition)
ISSN 1671-5888
CN 22-1343/P
主 任:蒋 函
编 辑:邱殿明 王晓丽
    刘 莉
电 话:0431-88502374
地 址:长春市西民主大街938号

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Sedimentary Characters of Fan Delta of Paleocene in Tangyuan Fault Depression
LIU Zhao-jun, SUN Ping-chang, DU Jiang-feng, FANG Shi, CHEN Yong-cheng, JIA Jian-liang, MENG Qing-tao
J4    2010, 40 (1): 1-8.  
Abstract1658)            Save

Fan deltas are widely developed in Xin’ancun and Dalianhe Formation of Tangyuan fault depression. According to core observation, well logging, seismic, lithology identification and grain size analysis, three subfacies including fan-delta plain, fan-delta front and pro-fan delta and eight microfacies are identified. From fan-delta plain to fan-delta front, the sedimentary characteristics of different microfacies changes regularly. The sediment textures such as the supporting type change from matrix-support to grain-support, the contact relationships between grains change from points to surfaces, grain separation from bad to good, the maturity from low to high, and the size of sediments from coarse to fine. The sedimentary bedding structures are massive bedding being miscellaneous in gravels that developed in fan-delta plain, and small-scale cross bedding with low angle and wave bedding developed in fan-delta front. The cumulative relative frequency curves are one-step and two-step type with low angle in fan-delta plain, but are two-step with steep slope and three-step type in fan-delta front. In the C-M diagram, the point group of fan-delta plain mostly concentrates in PQ section with large C and M value, and fan-delta front mainly concentrates in QR and RS section. Based on these studies, and combined with core characteristics and grain size analysis, it can be concluded that hydrodynamic mechanism of fan delta in this area is mainly traction current deposit, but gravity flow also plays some action.

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Baseflow Separation for Groundwater Study in the Yellow River Basin, China
LIN Xue-yu, LIAO Zi-sheng, JIAN Yun-peng, SU Xiao-si
Reservoir Evaluation and Oil-Gas Distribution of Yurubcheno Oil Field in Russia
DU Xu-dong, ZHAO Qi-hui, NI Guo-hui, CAI Hong-ya, ZHOU Kai-feng, CHEN Xing-Xia, ZHU Jian-wei
J4    2009, 39 (6): 968-975.  
Abstract2108)            Save

The carbonate reservoir evaluation based on well logging data of Russian logging series is done in Yurubcheno oil field in Siberian platform. On the basis of the conversional log characteristic analysis, evaluation parameters from the logging data are given for identification of the reservoir types, fractures, shale intervals of the formation and tight reservoirs in the carbonate reservoir with dual porosity. The reservoirs are classified into matrix type, micro fracture type and macro fracture type. The preferential directions of fractured reservoir distribution are NE-SW and NW-SE which are consistent with the distribution of carbonate and the structural high of the buried hill. It generally locates 0-100 m under unconformity which corresponds to the distribution direction of the dolomite corrosion zone, which controls the distribution of the high production wells. But the distribution of the fractured reservoir is heterogeneous and anisotropic in this field. Factors controlling the distribution of oil and gas in this field are the lithology of the reservoir and its structural location in the buried hill. The reservoir in Yurubcheno Formation, which is pure dolomite and has good location in the structure, has high oil and gas yield. There is poor oil and gas production in the reservoirs in Dolgoktinskaya Formation, where the lithology is not pure dolomite, and the Kuyumbinskaya Formation which located at a lower structural location.

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Hydraulic Relationship Between Malianhe River and Groundwater: Hydrogeochemical and Isotopic Evidences
SU Xiao-si, WAN Yu-yu, DONG Wei-hong, HOU Guang-cai
The Dynamical Mechanism for Medium Rapture and Motion of Deep Matler on Wenchuan-Yingxiu MS8.0 Earthquarce,2008
TENG Ji-wen, LIU Cai, HAN Li-guo, RUAN Xiao-min, YAN Ya-fen, ZHANG Yong-qian
Metamorphism of Indosinian Metamorphic Enclaves in the Tongbai Complex, Central China
CUI Jian-jun, LIU Xiao-chun, HU Juan, QU Wei
Quantitative Analysis of Complex Organic Contaminants in Environmental Sample
GAO Song, ZHANG Lan-ying, WANG Lin, WANG Ji, ZHANG Lei, LI Jing, ZHANG Yu-ling, DENG Yin-zhou
Fault System’s Characteristics of Yitong Basin and Its Evolution
TANG Da-qing, HE Sheng, CHEN Hong-han, JIANG Tao, QIU Yu-chao
J4    2009, 39 (3): 386-396.  
Abstract1149)            Save

According to the data of seismic, aeromagnetic, well drilling, etc, the authors restudy the characteristics of the fault system in Yitong basin, analyzes its evolution and the control effect on the hydrocarbon accumulation. Yitong basin is a strike-slip stretching basin which is controlled mostly by the strike-slip fault of the north-west boundary in Cenozoic. The features and evolution of the basin’s faults are very complex, the faults can be classified as three distinction based on their characteristics and sizes.The first distinction faults include the north-west boundary fault and the south-east boundary fault; the second distinction faults include the stretching faults such as Maanshan fault, number 2 fault, number 3 fault, number 4 fault and the thrust fault along the north-west edge; the third distinction faults include the rest faults of the basin. The faults’ evolution features in Yitong basin took place in the regional dynamic setting that back-arc spreading caused by westward subduction of the Pacific plate, and the collision from the Indian plate also played a partial role in the E-W compression in the East China. Besides this, the distribution and uplift strength of rigid plates of Daheishan and Nadanhadaling Mountain play a great role on the fault evolution. The fault evolution includes two stages: the early dextral strike-slip stretching stage and the dextral strike-slip compressing stage in basin’s reverse period. The dextral strike-slip compressing forms the fault-folds belt by the north-west edge and it has great potential for hydrocarbon exploration.

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Crustal Tectonic Division and Evolution of the Southern Part of the North Asian Orogenic Region and Its Adjacent Areas
LI Jin-yi, ZHANG Jin, YANG Tian-na, LI Ya-ping, SUN Gui-hua, SHU Zhi-xin, WANG Li-jia