应用不稳定试井技术优选措施井层

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• 英文论文题名：Application for unstable well testing technology in selecting the stimulated wells & layers
• 论文作者：张晨光
• 英文论文作者：Zhang Chenguang
• 年：2017
• 作者机构：大庆油田有限公司测试技术服务分公司;
• 论文关键词：不稳定试井 ; 曲线分析 ; 选井选层 ; 压裂时机 ; 效果评价
• 英文论文关键词：unstable well testing ; curve analysis ; wells and layers selection ; fracturing time ; effect evaluation
• 会议召开时间：2017-06-01
• 会议录名称：《采油工程文集》2017年第2辑
• 英文会议录名称：Oil Production Engineering
• 语种：中文
• 分类号：TE353
• 学会代码：DQGY
• 学会名称：大庆油田有限责任公司采油工程研究院
• 页数：7
• 文件大小：2686k
• 原文格式：D

摘要

随着油田注水开发的不断深入,高含水井、重复压裂井数逐渐增多,措施改造的井层条件逐渐变差,提高选井选层的准确性已成为保证措施效果的前提。对此,利用不稳定试井技术对储层深部物性特征、近井地带的储层伤害状况、目的井层的渗流条件及能量供给情况进行了准确的评价,并通过表皮系数、有效渗透率、导流能力、储层压力等参数的分析对比,形成了有效的措施选井选层方法和效果评价技术,现场试验15口井,措施有效率达到93.3%。该技术的成功应用提高了措施方案设计的有效性及效果,具有一定的推广意义。
With the development of water injection in oilfield, the number of wells with high water cut and repeated fracturing stimulation has been increased gradually, and the reservoir condition in the stimulated wells is getting worse. Therefore, improving the accuracy of wells and layers selection has become the premise of ensuring the stimulation effect. The physical property of deep reservoir, the pollution status around the wellbore area, the percolation condition in target wells and layers and energy supply can be evaluated accurately by unstable well testing technology. The skin factor, effective permeability, flow conductivity and reservoir pressure etc. were compared, so as to form an effective method for selecting stimulated wells and layers as well as the effect evaluation technology. It has been applied in 15 wells, with 93. 3% stimulation effectiveness. The successful application of the technology can improve the effectiveness and results of the stimulation design.

引文

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