重力泄水辅助蒸汽驱在深层稠油油藏的研究与应用

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英文篇名：Research and pilot project of gravity water drainage assisted steam flooding in deep heavy oil reservoir 作者：孙振宇 英文作者：Sun Zhenyu;Research Institute of Drilling Technology,Liaohe Oilfield,CNPC; 关键词：深层稠油 ; 开发方式转换 ; 重力泄水 ; 蒸汽驱 英文关键词：deep heavy oil;;development mode transformation;;gravity water drainage;;steam flooding 中文刊名：SHJS 英文刊名：Petrochemical Industry Technology 机构：中国石油辽河油田钻采工艺研究院; 出版日期：2015-09-28 出版单位：石化技术 年：2015 期：v.22 语种：中文; 页：SHJS201509129 页数：2 CN：09 ISSN：11-3477/TE 分类号：180+185

摘要

随着开发的不断深入,高采出程度、高吞吐轮次、低周期油汽比、油藏低压举升难度大等开发矛盾不断的暴露,深层超稠油油藏转换开发方式迫在眉睫。对此开展了深层稠油油藏开发方式转换研究,进行了重力泄水辅助蒸汽驱可行性分析、井网井距设计和注采参数优化。开展了注汽工艺、举升工艺及配套工艺研究。成功解决了当前深层超稠油油藏开发方式转换过程中的工艺技术难点,现场应用效果良好,实现了深层稠油开发方式转换的突破。
        Development issues such as high recovery degree,high steam stimulation cycles,low cyclic oil-steam ratio and difficulties in lifting at low pressure emerge with the continuous exploitation of the reservoir,it is crucial to transfer the development mode of the deep heavy oil reservoir.This paper focuses on development mode transformation of deep heavy oil reservoir and analyzes the application feasibility of gravity water drainage assisted steam flooding(GWDASF)technology.Well pattern and spacing design are carried out and injection-production parameters are optimized according to characteristics and development status of the reservoir.Steam injection and lifting have been developed as well as matching technologies.These technologies have been successfully applied to break through the technical difficulties of GWDASF and achieve the aim of development mode transformation in deep heavy oil reservoir.

引文

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