塔中16含砾砂岩段隔夹层对油水分布的影响

doi:10.11885/j.issn.1674-5086.2015.02.02.03

西南石油大学学报(自然科学版) ›› 2016, Vol. 38 ›› Issue (6): 25-34.DOI: 10.11885/j.issn.1674-5086.2015.02.02.03

塔中16含砾砂岩段隔夹层对油水分布的影响

尹楠鑫^1,2, 李存贵³, 李中超², 熊运斌², 罗亚男⁴

1. 中国石化中原油田博士后工作站, 河南濮阳 457001;
2. 中国石化中原油田分公司勘探开发研究院, 河南濮阳 457001;
3. 中国石化中原油田分公司开发管理部, 河南濮阳 457001;
4. 中国石油塔里木油田公司开发事业部, 新疆库尔勒 841000

收稿日期:2015-02-02 出版日期:2016-12-01 发布日期:2016-12-01
通讯作者: 尹楠鑫,E-mail:yinnanxin236237@163.com
作者简介:尹楠鑫,1982年生,男,汉族,四川武胜人,工程师,博士,主要从事油气田开发地质研究。E-mail:yinnanxin236237@163.com;李存贵,1965年生,男,汉族,河南开封人,教授级高级工程师,博士,主要从事油田勘探开发地质研究和管理工作。E-mail:licung.zyyt@sinopec.com;李中超,1971年生,男,汉族,河南获嘉人,教授级高级工程师,博士,主要从事油田勘探开发地质研究和管理工作。E-mail:lzc@zydzy.com;熊运斌,1964年生,男,汉族,湖南祁东人,教授级高级工程师,博士,主要从事油田开发地质科研生产工作。E-mail:zyxyb2004@163.com;罗亚男,1985年生,女,汉族,甘肃酒泉人,助理工程师,硕士研究生,主要从事油田开发地质科研生产工作。E-mail:83681842@qq.com
基金资助:
国家重大科技专项（2011ZX05001）。

The Impact of the Interlayer of No. 16 Pebbled Sandstone Member in Tarim on the Distribution of Oil and Water

YIN Nanxin^1,2, LI Cungui³, LI Zhongchao², XIONG Yunbin², LUO Yanan⁴

1. Postdoctoral Research Workstation at Zhongyuan Oilfield Company, SINOPEC, Puyang, Henan 457001, China;
2. Exploration and Development Research Institute of Zhongyuan Oilfield Company, SINOPEC, Puyang, Henan 457001, China;
3. Development and Management Department of Zhongyuan Oilfield Company, SINOPEC, Puyang, Henan 457001, China;
4. Development Department of Tarim Oilfield Company, Korla, Xinjiang 841000, China

Received:2015-02-02 Online:2016-12-01 Published:2016-12-01

摘要/Abstract

摘要： 针对塔中16东河砂岩油藏含砾砂岩段分布复杂的隔夹层严重制约油田的水驱开发效果，致使油田产量低这一问题，综合运用岩芯、录井以及测井资料，以塔中16含砾砂岩段为解剖对象，划分了该层段内隔夹层成因类型，分析了典型单井的不同类型隔夹层的测井响应特征、预测了隔夹层的空间展布、剖析了隔夹层对剩余油分布的影响。研究表明：含砾砂岩段发育泥质、钙质、低渗透泥质砂岩3类隔夹层；钙质隔夹层主要分布在5小层底部、泥质隔夹层则主要分布在3小层底部、低渗透泥质砂岩夹层则零星分布在各小层砂体内部；隔夹层影响了流体的垂向渗流能力，致使含砾砂岩段形成了2套油水压力系统，在同一个压力系统内，夹层易造成高渗储层水洗严重，低渗部位剩余油富集。通过开展隔夹层成因、类型及分布特征研究，可明确油水分布特征及剩余油的富集部位。

关键词: 含砾砂岩段, 隔夹层, 岩芯特征, 测井识别, 剩余油

Abstract: As the distribution of barriers and baffles could seriously affect the result of water flooding development, the paper took No. 16 pebbled sandstone member of Donghe reservoir at Middle Tarim as study area. We divided barriers and baffles into different types according to genesis mechanism, analyzed the characteristics of well logging response of different types of barriers and baffles from data of typical wells and predicted the spatial distribution of barriers and baffles and discussed the relationship between barriers and baffles and the distribution of remaining oil. The research shows that muddy interlayer, calcareous interlayer and low-permeability shaly sandstone interlayer are the main types of interlayer in of the study area; calcareous interlayer is at the bottom of the 5^th sublayer, muddy interlayer concentrates at the bottom of the 3^rd sublayer and low-permeability shaly sandstone interlayer is found sparsely. The vertical permeability of fluid is affected by the interlayers, which results in two oil-water pressure systems. In the same pressure system high-permeability reservoir is water-washing zone and low-permeability reservoir is remaining-oil rich zone. The study on the causes, type and distribution of interlayers, made clear the characteristic of enrichment of remaining oil and distribution of oil and water and provided geological evidence for the development program adjustment of next stage.

Key words: pebbled sandstone member, interlayer, core features, logging identification, remaining oil

中图分类号:

TE122

尹楠鑫, 李存贵, 李中超, 熊运斌, 罗亚男. 塔中16含砾砂岩段隔夹层对油水分布的影响[J]. 西南石油大学学报(自然科学版), 2016, 38(6): 25-34.

YIN Nanxin, LI Cungui, LI Zhongchao, XIONG Yunbin, LUO Yanan. The Impact of the Interlayer of No. 16 Pebbled Sandstone Member in Tarim on the Distribution of Oil and Water[J]. 西南石油大学学报(自然科学版), 2016, 38(6): 25-34.

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塔中16含砾砂岩段隔夹层对油水分布的影响

The Impact of the Interlayer of No. 16 Pebbled Sandstone Member in Tarim on the Distribution of Oil and Water

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