| 鄂尔多斯盆地堡子湾地区三叠系长4+5组储层特征及对产能的控制 |
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| 引用本文： | 杨金龙,阮敏.鄂尔多斯盆地堡子湾地区三叠系长4+5组储层特征及对产能的控制[J].西安石油大学学报(自然科学版),2011,26(4). |
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| 作者姓名： | 杨金龙 阮敏 |
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| 作者单位： | 1. 中国石油长庆油田超低渗透油藏研究中心,陕西西安,710021
2. 西安石油大学科研处,陕西西安,710065 |
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| 摘 要： | 应用分析化验手段对堡子湾地区长4+5组砂岩储层特征进行了综合研究,结果表明:该套储层为陆相湖泊三角洲沉积体,储层岩性主要为细粒长石砂岩和细粒岩屑长石砂岩,储集空间孔隙以残余粒间孔和长石溶孔为主;储层物性较差,属于典型的低孔超低渗透储层.综合沉积、砂体、成岩、孔隙结构、物性等参数,建立了适合该区的储层评价标准并对该区储层进行了综合评价,发现不同类型储层对油气产能具有很好的控制作用:一类储层区油层发育好,试油单井产能最高;二类储层区油层发育较好,试油单井产能较高;三类储层区油层不发育,无产能.
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| 关 键 词： | 储层特征 孔隙类型 产能控制 长4+5油组 鄂尔多斯盆地 堡子湾 |
Characteristics and productivity control of Chang 4 + 5 oil-bearing sandstone reservoir in Baoziwan area,Ordos Basin |
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| YANG Jin-long,RUAN Min.Characteristics and productivity control of Chang 4 + 5 oil-bearing sandstone reservoir in Baoziwan area,Ordos Basin[J].Journal of Xian Shiyou University,2011,26(4). |
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| Authors: | YANG Jin-long RUAN Min |
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| Institution: | YANG Jin-long1,RUAN Min2(1.Research Center of Super-low Permeability Reservoir,Changqing Oilfield Company,Xi'an 710021,Shaanxi,China,2.Scientific Research Department,Xi'an Shiyou University,Xi'an 710065,China) |
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| Abstract: | The characteristics Chang 4 + 5 oil-bearing sandstone reservoir in Baoziwan area,Ordos Basin is comprehensively studied by means of various analytical methods.It is shown that the Chang 4 + 5 sandstone reservoir is a set of continental lake delta depositional body,its lithology is mainly fine-grained feldspar sandstone and fine-grain of debris feldspar sandstone.The reservoir space is mainly residual intergrain pores and feldspar solution pore.The reservoir is of poor property,and belongs to typical low-por... |
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| Keywords: | reservoir characteristics productivity control Chang 4 5 oil-bearing strata Ordos Basin Baoziwan area |
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