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准噶尔盆地三台—北三台油田地球化学研究 被引量:16
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作者 廖健德 刘翠敏 +3 位作者 程显胜 宋元林 郭印兴 王海静 《新疆地质》 CAS CSCD 2002年第3期247-251,共5页
包裹体均一温度和包裹体中油气组分是目前研究油气藏成藏时间和油气源最有效的方法之一,运用包裹体的均一温度和油气组分并结合原油的地化参数研究了三台—北三台油气田油藏的油气源、成藏时间、成藏期次、油气运移以及油气的注入方向.
关键词 准噶尔盆地 油田地球化学 包裹体 油气组分 均一温度 油气源 成藏时间 油气运移
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塔河油田原油甾藿烷系列化合物地球化学再认识 被引量:11
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作者 南青云 刘文汇 +2 位作者 腾格尔 范明 王晓锋 《沉积学报》 CAS CSCD 北大核心 2006年第2期294-299,共6页
生物标志化合物是油气油源、成熟度、运移等领域研究中的一项得力工具。运用生物标志物色谱质谱技术,对比研究了塔河油田各油区原油生物标志化合物中甾、藿烷系列化合物特征。研究表明,塔河油田为一由晚期成熟高、轻微改造的原油与早期... 生物标志化合物是油气油源、成熟度、运移等领域研究中的一项得力工具。运用生物标志物色谱质谱技术,对比研究了塔河油田各油区原油生物标志化合物中甾、藿烷系列化合物特征。研究表明,塔河油田为一由晚期成熟高、轻微改造的原油与早期成熟度低、遭受较强降解原油混合而成的复合油藏,该油藏各区原油C27—C29甾烷同系物以及C27—C29重排甾烷特征反映出该区不同成熟度原油来自同一母源,原油Ts/(Tm+Ts)、重排甾烷/规则甾烷和ββ/(ββ+αα)C29比值关系立体图指示出原油的充注方向,印证了“塔河地区的油气主要来自于南部的满加尔坳陷”这一论点。 展开更多
关键词 甾烷 藿烷 生物标志物 塔河油田地球化学
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毛细管等速电泳法在油田水地球化学研究中的应用 被引量:1
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作者 李贤庆 侯读杰 +2 位作者 张爱云 柳常青 唐友军 《地质科技情报》 CAS CSCD 北大核心 2003年第2期63-67,共5页
阐述了用毛细管等速电泳法测定高矿化度油田水中有机酸和烷基酚质量浓度的实验分析条件,并以鄂尔多斯中部气田为例,研究了油田水中有机酸、烷基酚的质量浓度和分布特征,探讨了有机酸、烷基酚的质量浓度与天然气成藏的关系,分析表明在鄂... 阐述了用毛细管等速电泳法测定高矿化度油田水中有机酸和烷基酚质量浓度的实验分析条件,并以鄂尔多斯中部气田为例,研究了油田水中有机酸、烷基酚的质量浓度和分布特征,探讨了有机酸、烷基酚的质量浓度与天然气成藏的关系,分析表明在鄂尔多斯中部气田有机酸、烷基酚质量浓度高值区是天然气藏富集的有利区。 展开更多
关键词 毛细管等速电泳法 油田地球化学 矿化度 有机酸 烷基酚 天然气藏
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Geochemical characteristics of reservoir after water and polymer flooding in Xingshugang oilfield of Daqing
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作者 TIAN Zhishan 《Global Geology》 2012年第4期302-310,共9页
Collecting 44 oil-sand specimens of Pu-I Member in two inspection wells before and after polymer flooding in the thirteenth district of Xingshugang oilfield,with experimental analysis,the author obtained the data abou... Collecting 44 oil-sand specimens of Pu-I Member in two inspection wells before and after polymer flooding in the thirteenth district of Xingshugang oilfield,with experimental analysis,the author obtained the data about oil viscosity,flow,oil saturation and oil displacement efficiency.The result shows that viscous oil predominates in the main remaining oil in Xingshugang oilfield after water flooding with a certain amount of low viscosity oil,high viscosity oil and heavy oil;after polymer flooding,the viscous oil is main ingredient.Compared with water flooding,the low mobility and poor oil can be spread by polymer flooding,expanding the affected area and improving sweep efficiency and oil recovery.The geochemical affecting factors of water flooding and oil displacement efficiency refer to reservoir flow,permeability and the viscosity of residual oil.In the reservoir with permeability from low to high,the polymer flooding efficiency is better than water flooding.It provides the basis for improving the water and polymer flooding efficiency of the Xingshugang oilfield. 展开更多
关键词 water flooding polymer flooding reservoir mobility oil displacement efficiency
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Geochemistry and genesis on saturated hydrocarbon of crude oils in Gas Hure Oilfield in Qaidam Basin
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作者 MO Xiaoye ZHANG Min 《Global Geology》 2011年第1期7-14,共8页
Gas Hure Oilfield is the biggest one in the Qaidam Basin. Through intensive sampling and GC-MS a- nalysis, the authors analyzed the geochemical characteristics of the crude oils in the Gas Hure Oilfield. The re- sults... Gas Hure Oilfield is the biggest one in the Qaidam Basin. Through intensive sampling and GC-MS a- nalysis, the authors analyzed the geochemical characteristics of the crude oils in the Gas Hure Oilfield. The re- sults show that the crude oils have even-odd carbon predominance for n-alkanes. In shallow reservoir, part of crude oils suffered biogenic degradation. As for normal oils, they have low Pr/Ph ratios with abundant gammac- erane and C35 homohopane, which indicate that the crude oils are formed in strong reducing salt water environ- ment. Compared deep ( E~ ) reservoir with shallow ( N1 - N2^1 ) reservoir, the ancient salinity of sedimentary en- vironment of Nj-N1 crude oils is slightly higher than that of E3^1crude oils; the C21-/C22+ ratios of crude oils are 1.02-1.71 with a higher abundance of C27sterane, which shows that their mainly origin matrix are bacteria and algae; the C29 sterane 20S/(20S + 20R)is generally low, the ratio in deep E3^1 reservoir distributes between 0.31 and 0. 40, but in shallow reservoir is relatively low with 0. 29-0. 36. At the same time, C29sterane αββ(αββ +ααα) and Ts/Tm both are extremely lower. All the above show that the crude oils in Gas Hure are mainly low mature oils, although the maturity of deep reservoir crude oils is slightly higher than shallow one. 展开更多
关键词 Qaidam Basin Gas Hure Oilfield crude oil saturated hydrocarbon geochemical characteristics
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