龙西地区强水敏储层黏土稳定剂筛选效果评价

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英文篇名：Screening and Effect Evaluation of Clay Stabilizers for Strong Water-sensitive Reservoirs in Longxi Area 作者：张红玉 ; 周芷仪 ; 陈玉慧 ; 王培伦 ; 何奇 英文作者：ZHANG Hong-yu;ZHOU Zhi-yi;CHEN Yu-hui;WANG Pei-lun;HE Qi;Key Laboratory of Enhanced Oil Recovery of Ministry of Education, Northeast Petroleum University;Daqing Oil Field Company; 关键词：强水敏储层 ; 黏土稳定剂 ; 龙西地区 英文关键词：Water-sensitive reservoir;;Clay stabilizer;;Longxi area 中文刊名：SYHH 英文刊名：Contemporary Chemical Industry 机构：东北石油大学提高采收率教育部重点实验室;大庆油田有限责任公司; 出版日期：2019-05-28 出版单位：当代化工 年：2019 期：v.48;No.280 基金：国家自然科学基金,活性原油在非均质储层的自适应控水增油机理,项目号:51574089 语种：中文; 页：SYHH201905035 页数：4 CN：05 ISSN：21-1457/TQ 分类号：117-120

摘要

针对大庆龙西地区强水敏储层的地质特点,通过室内岩心流动敏感性实验,评价了该区块储层的水敏特性,通过天然岩心粉末膨胀率测定,评价筛选了常用黏土稳定剂类型和浓度,通过天然柱状岩心注入黏土稳定剂实验,优化了黏土稳定剂的注入浓度、注入PV数以及段塞组合,形成了针对龙西地区A区块强水敏储层的黏土稳定剂配方。
        Aiming at the geological characteristics of strong water-sensitive reservoirs in Longxi area of Daqing, the water-sensitive characteristics of reservoirs in this area were evaluated through laboratory core flow sensitivity experiments. By measuring the expansion rate of natural core powder, the types and concentrations of common clay stabilizers were evaluated and screened. Through the experiments of injecting clay stabilizers into natural columnar cores, the injection concentration and PV number of clay stabilizers were optimized as well as slug assemblage. At last,a clay stabilizer formulation for strong water-sensitive reservoirs in Block A of Longxi area was developed.

引文

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