曲流河储层隔夹层研究——以秦皇岛32-6油田为例

doi:10.3969/j.issn.1673-8926.2017.06.016

岩性油气藏 ›› 2017, Vol. 29 ›› Issue (6): 128–134.doi: 10.3969/j.issn.1673-8926.2017.06.016

曲流河储层隔夹层研究——以秦皇岛32-6油田为例

甘立琴, 苏进昌, 谢岳, 李超, 何康, 来又春

中海石油(中国)有限公司天津分公司渤海石油研究院, 天津 300452

收稿日期:2016-04-15 修回日期:2016-06-06 出版日期:2017-11-21 发布日期:2017-11-21
第一作者:甘立琴(1987-),女,硕士,工程师,主要从事油气田开发地质研究工作。地址:(300452)天津市滨海新区海川路2121号海油大厦B座1325室。Email:ganliqin77@163.com。
基金资助:
国家重大科技专项"海上油田丛式井网整体加密及综合调整技术"（2008ZX05024-004）资助

Interlayers of meandering river reservoir:a case from Qinhuangdao 32-6 oilfield

GAN Liqin, SU Jinchang, XIE Yue, LI Chao, HE Kang, LAI Youchun

Bohai Oilfield Research Institute, Tianjin Branch of CNOOC Ltd., Tianjin 300452, China

Received:2016-04-15 Revised:2016-06-06 Online:2017-11-21 Published:2017-11-21

摘要/Abstract

摘要： 为揭示曲流河储层隔夹层对剩余油分布和油层水淹的影响，通过分析物性参数与米采油指数关系得出隔夹层物性上限，并选择自然伽马、电阻率、厚度为主要敏感参数，采用灰色关联法进行权重系数计算，得到隔夹层判别指数及综合判别图版。在秦皇岛32-6油田南区明化镇组下段Ⅰ油组应用证实，该判别图版符合率达96%；在剩余油滞留带底部和油层水淹层顶部进行调整挖潜，生产效果明显。在曲流河储层隔夹层发育区，隔夹层延缓采油井含水上升速度；隔夹层不发育区域，易形成水串区，导致相邻隔夹层发育区形成剩余油滞留区。这种认识对油田开发中后期产能挖潜有指导作用。

关键词: 致密砂砾岩储层, 孔隙结构, 核磁共振, 成岩综合系数, 储层品质因子, 百口泉组, 玛湖凹陷

Abstract: To reveal the distribution rules of remaining oil and water flooded reservoir influenced by the meandering river reservoir interlayer, the interlayers' upper limit of physical property was obtained through the analysis of the physical parameters and the relation between the productivity index per-meter,and the choice of natural gamma,resistivity and thickness as the main sensitive parameters,calculate weight coefficients are obtained by using the grey correlation method,interlayer and comprehensive index discriminant chart. The application of the oil zone in the lower Minghuazheng Formation in the south area of Qinhuangdao 32-6 oilfield proves that the coincidence rate of the discrimination plate is upmost 96%. The adjustment is carried out at the bottom of the remaining oil retention zone and the top of the water flooded layer of the reservoir,and the production effect is obvious. In the meandering river reservoir interlayer development zone,the interlayer retards water cut rising rate of the production well;the formation of water flooding zone is easy to form in the interlayer non-developed area,which leads to the formation of remaining oil retention zone in the adjacent interlayer growth zone. The understanding will guide the potential tapping of productivity in the middle and late stages of oilfield development.

Key words: tight glutenite reservoir, pore structure, nuclear magnetic resonance, comprehensive diagenetic coefficient, reservoir quality factor, Baikouquan Formation, Mahu Sag

中图分类号:

TE122.2

甘立琴, 苏进昌, 谢岳, 李超, 何康, 来又春. 曲流河储层隔夹层研究——以秦皇岛32-6油田为例[J]. 岩性油气藏, 2017, 29(6): 128–134.

GAN Liqin, SU Jinchang, XIE Yue, LI Chao, HE Kang, LAI Youchun. Interlayers of meandering river reservoir:a case from Qinhuangdao 32-6 oilfield[J]. Lithologic Reservoirs, 2017, 29(6): 128–134.

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曲流河储层隔夹层研究——以秦皇岛32-6油田为例

Interlayers of meandering river reservoir:a case from Qinhuangdao 32-6 oilfield

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