| 古龙油田油-水同层油藏形成主控因素与分布规律 |
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| 引用本文： | 庞彦明,廖远慧,周永炳,王秀娟,王雪峰.古龙油田油-水同层油藏形成主控因素与分布规律[J].地质科学,2009,44(2):490-501. |
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| 作者姓名： | 庞彦明 廖远慧 周永炳 王秀娟 王雪峰 |
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| 作者单位： | 大庆油田有限责任公司勘探开发研究院, 黑龙江, 大庆, 163712 |
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| 基金项目： | 国家重点基础研究发展规划(973计划) |
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| 摘 要： | 松辽盆地北部中央坳陷的古龙油田葡萄花油层油-水关系复杂，油层原始含油饱和度低，油-水同层比例大.应用近年来精细油藏评价大量钻井、试油、试采和分析化验资料，深入研究油-水同层形成主控；因素，认为葡萄花油层成藏受到构造、砂体规模、异常高压和地层水活动强弱的控制，形成了两种类型的油-水同层，并建立占龙凹陷葡萄花油层西滞留、东分异的差异性成藏模式，总结出古龙油田葡萄花油层滞留型、分异型油-水同层分布规律，为大面积油-水同层岩性油藏提交探明储量、编制开发方案提供了依据.
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| 关 键 词： | 油-水同层 地质特征 控制因素 分布规律 古龙油田 松辽盆地 |
| 收稿时间： | 2007-12-18 |
| 修稿时间： | 2007-12-18; |
Main factors controlling accumulation and distribution of oil-water isostrate reservoir in the Gulong Oilfield |
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| Pang Yanming,Liao Yuanhui,Zhou Yongbing,Wang Xiujuan,Wang Xuefeng.Main factors controlling accumulation and distribution of oil-water isostrate reservoir in the Gulong Oilfield[J].Chinese Journal of Geology,2009,44(2):490-501. |
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| Authors: | Pang Yanming Liao Yuanhui Zhou Yongbing Wang Xiujuan Wang Xuefeng |
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| Institution: | Explorasion and Deoelopment Research Institute of Daqing Oilfield Ltd., Daqing, Heilongjiang 163712 |
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| Abstract: | Putaohua oil layer in the Gulong Oilfield, situated in the Central Depression of the northern Songliao Basin, had a complicated relation between oil and water,with low initial oil saturation and large proportion of oil-water layers.Applying recently precise and fine reservoir evaluation data, including drilling, oil testing, trial production and chemical analyses, the paper made a deeply study on the main accumulation controlling factors forming oil-water layers.It was believed the creation of Putaohua reservoir being controlled by the structure, the sandstone size, the abnormal high pressure and the relative strengthen of formation water activity, which formed two types of oil-water isostrate layers.A model was set up for isostrate distribution pattern of Putaohua reservoir, namely, the oil layer retention in the west and oil layer differentiation in the east.The distribution regularity of oil-water isostrate layers provided a basis for submitting proven deposit and compiling development scheme of lithologic reservoir in the Gulong Oilfield. |
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| Keywords: | Oil-water isostrate reservoir Geological features Controlling factors Distribution regularities The Gulong Oi1Geld The Songliao Basin |
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