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| 1 | Distribution and genesis of the anomalously high porosity zones in the middle-shallow horizons of the northern Songliao Basin显示文摘High-quality reservoirs occur in the middle-shallow horizons of the northern Songliao Basin. The distribution and genesis of their anomalously high porosity zones were studied using measured porosities, examination of ordinary thin sections and blue epoxy resin-impregnated thin sections and by SEM. The results show that there are three anomalously high porosity zones at the depth of 450-900 m, 1,300-1,900 m, 2,050-2,350 m respectively, named zone i, zone ii and zone iii from top to bottom. Horizontally, zone i and zone ii are distributed all over the basin except in the Southeastern Uplift, while zone iii is only distributed in the Central Depression. Zone i was formed by meteoric water leaching as well as organic acid dissolution. Zones ii and iii were dominantly formed by organic acid dissolution. Additionally, clay mineral transformation generating H+ and hydrocarbon emplacement retarding the cementation of sandstones are also important for the formation of zones ii and iii. | Meng Yuanlin Liang Hongwei Meng Fanjin Wu Heyong Wang Cheng Xiu Hongwen Zhang Anda Li Yaguang Guo Rixin | 2010 | Petroleum Science2010，7，3： | 29 |
| 2 | Discovery of Oil and Gas Shows in the Lower Cretaceous of the Hongmiaozi Basin, Southeastern Songlibao Peripheral Basin显示文摘The Hongmiaozi Basin in the southeastern part of theSongliao peripheral basin is a new oil and gas explorationarea with a very low exploration level. This basin coversan area of 795 km2. It is adjacent to the Liuhe Basin andTonghua Basin in the north, and to the Huanren Basin inthe south. In order to identify the basic oil and gasgeological characteristics, the deep structures and thepotential of oil and gas resources in the basin, the Oil andGas Survey of China Geological Survey carried out oiland gas geological investigation and exploration in thisarea, and deployed several geological survey wells. | WANG Dandan ZHANG Jiaodong ZHANG Wenhao ZHOU Xingui LI Shizhen LIU Weibin DONG Qingshui MENG Yuanlin | 2018 | Acta Geologica Sinica(English Edition)2018，92，3： | 2 |
| 3 | New Progress of Oil and Gas Research in the Tonghua Area, East of the Songliao Basin显示文摘Objective The Tonghua region in the east of the Songliao Basin is a high-risk and blank area of petroleum exploration.The unrevealed key problems including the growth of source rocks,hydrocarbon generation potential and oil and gas source and the low exploration degree have constrained the further study of petroleum geological conditions and exploration deployment.Based on outcrop and core observations,geological section survey。 | WANG Dandan ZHOU Xingui LI Shizhen ZHANG Wenhao LIU Weibin DONG Qingshui MENG Yuanlin | 2017 | Acta Geologica Sinica(English Edition)2017，91，4： | 2 |
| 4 | Early basin mod eling by gravity,megnetics and electrical information显示文摘 | Xiao Lihua Meng Yuanlin Zhang Jing | 1997 | Sci- entia Geologica Sinica1997，6，4： | 1 |
| 5 | A rare case of complex anomalous origin of coronary arteries with severe atherosclerosis显示文摘 | Liu Huihui Zhu Chenggang Guo Yuanlin Zhang Meng Li Jianjun | 2014 | Chinese Medical Journal2014，，24： | 1 |
| 6 | Revisiting the Mg isotopic systematics of siliciclastic components of sediments and sedimentary rocks:A new geochemical proxy of continental weathering in Earth's history显示文摘The Mg isotopic compositions of siliciclastic components(δ^(26)Mg_(sili))of sediments and sedimentary rocks have been commonly used to constrain the intensity of continental weathering,based on observations of,(1)an upward enrichment of26Mg in modern weathering profiles,(2)preferential uptake of26Mg in soil clays,and(3)general positive correlations between weathering intensities andδ^(26)Mg_(sili)values.However,not all weathering profiles display an upward increase ofδ^(26)Mg_(sili),and not all soil clays enrich in26Mg,complicating the interpretations ofδ^(26)Mg_(sili)data of sediments and sedimentary rocks.To further explore the controls ofδ^(26)Mg_(sili)of sediments and sedimentary rocks,here we measuredδ^(26)Mg_(sili),mineralogical compositions and major element compositions of deep sea sediments from South China Sea(SCS)and carbonate rock samples from two late Paleozoic sections in South China.Carbonate samples show decreasing trends of both normalized Mg concentration(Mgnorm)andδ^(26)Mg_(sili)values with the increase of weathering intensity,while SCS sediments samples do not show any correlation between Mgnormorδ^(26)Mg_(sili)values and weathering intensity.A three-stages weathering model is developed to explain the observed Mgnorm andδ^(26)Mg_(sili)data.In the new model,weathering can be divided into three stages,(1)the preliminary weathering stage characterized by dissolution of primary minerals and formation of secondary clay minerals in saprolite,(2)the transitional stage with massive vermiculite and chlorite formation on the bottom of soil,and(3)the advanced stage showing dissolution of vermiculite and chlorite in the top of soil.The new model explains anδ^(26)Mg_(sili)increase and Mgnormdecrease with an increase weathering intensity in preliminary weathering stage and decrease of Mgnormandδ^(26)Mg_(sili)with increase weathering intensity in advanced weathering stage.The revised weathering model warrants the application of Mg isotope in the study of continental weathering in deep time. | Tianzheng HUANG Bing SHEN Kangjun HUANG Meng NING Chao LI Jinzhuang XUE Yuanlin SUN Baoqi HUANG | 2024 | Science China Earth Sciences2024，67，2： | 0 |
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