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you shi shen liu tong dao de shi jing jie shi fang fa yan jiu
Author(s): 
Pages: 98-100,136
Year: Issue:  2
Journal: Petroleum Geology and Engineering

Keyword:  优势渗流通道大孔道试井解释复杂断块油藏;
Abstract: 复杂断块油藏水驱开发极易形成优势渗流通道,造成油井很快见水.识别优势渗流通道主要手段是测井对比、岩心分析、压降测试等,目前的优势渗流通道识别试井解释模型无法适应现场需求.通过分析优势渗流通道基本形态,建立了优势渗流通道试井模型;通过有限差分法对模型进行离散求解,绘制了井底压力及压力导数双对数曲线试井解释图版.优势渗流通道试井响应主要有通道径向流和线性流两段,分析了通道渗透率、储容比、宽度等参数对优势渗流通道试井响应的影响,最后利用建立的双对数曲线图版对高尚堡油田一口井压降测试资料进行了解释,曲线吻合效果较好,该方法可以作为优势渗流通道试井识别方法进行推广应用.
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