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| 1 | Sequence Stratigraphy of the Palaeogene in the HGZ Area of Qaidam Basin显示文摘Sequence stratigraphy can be used to predict the oil and gas reservoir bodies and to choose the oil targets. Fan delta and sublacustrine fan systems are developed in the HGZ Area, which is located in front of the Altun Mountain in the west of the Qaidam Basin. On the basis of seismic and well drilling data, the deposits in the area were studied by using sequence stratigraphy and reservoir prediction techniques. Various reservoir prediction techniques used under the constraint of high resolution sequence framework could help to improve the precision of reservoir prediction and to recognize the pinch out line of sand layers, the distribution of isolated sandstone bodies and the types of oil pools. The study of sequence stratigraphy makes reservoir prediction more effective by dividing different scales of sequences and distinguishing the system tracts and parasequence sets, and indicates the internal relationship between oil/gas and sedimentary bodies in different system tracts with evolution in time and space. | Wu Yinye Hou Yu'an Guo Bincheng Cui Huajuan | 2007 | Petroleum Science2007，4，3： | 2 |
| 2 | Evaluation Methods of Profitable Tight Oil Reservoir of Lacustrine Coquina: A Case Study of Da'anzhai Member of Jurassic in the Sichuan Basin显示文摘Based on core observation,cast and fluorescent thin sections,FESEM and ESEM,coquina in Da'anzhai Member of Jurassic in Sichuan Basin were examined systematically.Together with production data and logging evaluation,a method for lacustrine coquina evaluation based on geological theory was established up.In the article,two aspects of the study were elaborated,characteristics of favorable reservoirs,and a'five-step'evaluation method for favorable coquina reservoir.According to the correlation between porosity and production data,porosity is not effective in finding high quality coquina reservoir of this area.Whereas micro research of reservoir samples from a high productivity well revealed that sparry coquina is the best lithofacies,with the most developed micro storage space of various kinds.After the favorable reservoir was sorted out,a five-step method evaluating the coquina reservoir was worked out.Correlation ofGR value and rock types suggests that GR<30 API is an effective evaluation parameter in identifying profitable reservoir lithofacies.Meanwhile,the combination of profitable reservoir rock thickness and production data revealed that the reservoirs with the highest potentiality are those with thickness of 3-18 m.Fractures are more developed in faults,folds and structural noses in the study area.Organic acid is discharged massively before the peak of hydrocarbon generation,leading to the formation of dissolution pores in the reservoir.The evaluation of organic acid was made by using the source rock indexes.After evaluating the four factors,and compiling their distribution maps,the maps were overlapped to predict favorable reservoir zones,and 7 first class and 9 second class favorable zones of coquina were picked out. | PANG Zhenglian TAO Shizhen ZHANG Qin ZHANG Bin ZHANG Tianshu YANG Xiaoping WU Yinye FAN Jianwei YUAN Miao | 2020 | Acta Geologica Sinica(English Edition)2020，94，2： | 2 |
| 3 | Migration and accumulation mechanisms and main controlling factors of tight oil enrichment in a continental lake basin显示文摘Based on the typical dissection of various onshore tight oil fields in China,the tight oil migration and accumulation mechanism and enrichment-controlling factors in continental lake basins are analyzed through nuclear magnetic resonance(NMR)displacement physical simulation and Lattice Boltzmann numerical simulation by using the samples of source rock,reservoir rock and crude oil.In continental lake basins,the dynamic forces driving hydrocarbon generation and expulsion of high-quality source rocks are the foundational power that determines the charging efficiency and accumulation effect of tight oil,the oil migration resistance is a key element that influences the charging efficiency and accumulation effect of tight oil,and the coupling of charging force with pore-throat resistance in tight reservoir controls the tight oil accumulation and sweet spot enrichment.The degree of tight oil enrichment in continental lake basins is controlled by four factors:source rock,reservoir pore-throat size,anisotropy of reservoir structure,and fractures.The high-quality source rocks control the near-source distribution of tight oil,reservoir physical properties and pore-throat size are positively correlated with the degree of tight oil enrichment,the anisotropy of reservoir structure reveals that the parallel migration rate is the highest,and intralayer fractures can improve the migration and accumulation efficiency and the oil saturation. | HU Suyun TAO Shizhen WANG Min PANG Zhenglian BAI Bin CHEN Yanyan LU Shuangfang CHEN Yue YANG Yiqing JIN Xu JIA Jinhua WANG Jian ZHANG Tianshu LIN Senhu WU Yinye | 2023 | Petroleum Exploration and Development2023，50，3： | 1 |
| 4 | Anti-inflammatory andimmunosuppressive effect of flavones isolated fromArtemisia vestita显示文摘 | YinY Gong FY Wu XX | 2008 | J Ethnopharmacol2008，120，1： | 1 |
| 5 | N-doped CoAl oxides from hydrotalcites with enhanced oxygen vacancies for excellent low-temperature propane oxidation显示文摘A series of nitrogen-doped CoAlO(N-CoAlO)were constructed by a hydrothermal route combined with a controllable NH_(3) treatment strategy.The effects of NH_(3) treatment on the physico-chemical properties and oxidation activities of N-Co AlO catalysts were investigated.In comparison to CoAlO,a smallest content decrease in surface Co^(3+)(serving as active sites)while a largest increased amount of surface Co^(2+)(contributing to oxygen species)are obtained over N-Co AlO/4h among the N-CoAlO catalysts.Meanwhile,a maximum N doping is found over N-CoAlO/4h.As a result,N-CoAlO/4h(under NH_(3) treatment at 400℃ for 4 hr)with rich oxygen vacancies shows optimal catalytic activity,with a T90(the temperature required to reach a 90% conversion of propane)at 266℃.The more oxygen vacancies are caused by the co-operative effects of N doping and suitable reduction of Co^(3+) for NCoAlO/4h,leading to an enhanced oxygen mobility,which in turn promotes C_(3)H_(8) total oxidation activity dominated by Langmuir-Hinshelwood mechanism.Moreover,in situ diffuse reflectance infrared Fourier transform spectroscopy(DRIFTs)analysis shows that N doping facilities the decomposition of intermediate species(propylene and formate)into CO_(2)over the catalyst surface of N-CoAlO/4h more easily.Our reported design in this work will provide a promising way to develop abundant oxygen vacancies of Co-based catalysts derived from hydrotalcites by a simple NH_(3) treatment. | Enhui Wu Daifeng Lin Yinye Chen Xiaoshan Feng Kui Niu Yongjin Luo Baoquan Huang Jianbin Qiu Qingrong Qian Qinghua Chen | 2022 | Journal of Environmental Sciences2022，34，6： | 0 |
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