X油气田PH组沉积微相精细研究——以FHT地区为例 |
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引用本文: | 段冬平,蔡华,阮建新,高红艳. X油气田PH组沉积微相精细研究——以FHT地区为例[J]. 海洋石油, 2015, 35(1): 42-46. DOI: 10.3969/j.issn.1008-2336.2015.01.042 |
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作者姓名: | 段冬平 蔡华 阮建新 高红艳 |
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作者单位: | 中海石油(中国)有限公司上海分公司, 上海 200030 |
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摘 要: | 以X油气田FHT地区PH组储层为例,通过岩心、粒度分析及测井曲线特征明确了主力储层的沉积微相的类型、特征及垂向发育规律。该区储层较发育的微相为分流河道、水下分流河道、河口坝、混合坪、砂坪及潮道,在地层划分基础上厘清了主力储层不同微相的垂向发育规律,PH组下部储层主要为潮道、混合坪与砂坪砂体,向上演变为水下分流河道与河口坝砂体,在PH组顶部储层主要为分流河道砂体,其中潮道、水下分流河道与分流河道砂体是该区优质储层。
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关 键 词: | PH组 储层 沉积微相 发育特征 |
收稿时间: | 2014-06-03 |
Study about the Sedimentary Microfacies of PH Fm.in X Oilfield--Taking FHT Area as an Example |
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Affiliation: | Shanghai Branch of CNOOC Ltd., Shanghai 200030, China |
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Abstract: | Based on core data,grain size analysis and logging curve characteristics,study has been done on sedimentary microfacies types,microfacies characteristics and vertical distribution of the main reservoir of PH Fm.in FHT area of X Oilfield.The main microfacies types in this area are distributary channels,subaqueous distributary channels,mouth-bar,mixed flats,sand flats and tidal channels.The vertically distribution of different microfacies of the main reservoir has been made clear on the basis of stratigraphic classification.The lower part of PH Fm.reservoir is mainly tidal channel,mixed flat and sand flat sand bodies,and changing upward into subaqueous distributary channel and mouth-bar sand body.The top of PH Fm.reservoir is mainly distributary channel sand bodies,of which the tidal channel,subaqueous distributary channel and distributary channel sand bodies are the excellent quality reservoir in this area. |
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