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Gas chromatogram technique for dynamic monitor of productivity contribution in single zone of multiple-zone production
Author(s): 
Pages: 75-79
Year: Issue:  4
Journal: ACTA PETROLEI SINICA

Keyword:  多层混采原油分层产能贡献色谱特征烃指纹分析非线性理论数学模型监测模板;
Abstract: 提出了多层混采原油分层产能贡献色谱烃指纹浓度的非线性理论,并在大庆油田主力产油区萨尔图试验区混采油井进行了试验验证.采用多流测试器测试工艺技术(MFE)对两口井现场取分层油样并求产.通过实验室原油模拟配比实验、色谱烃指纹内标法绝对定量分析建立了化学模型,利用神经网络方法建立了多层混采原油分层产能贡献非线性数学模型,实现了4层混采油井的分层产能贡献模拟计算.现场监测结果对比表明,绝对偏差不大于3.3%,相对偏差不大于6.6%.同时利用试验区主井分层原油建立了监测模板,对其他混采油副井进行了分层产能监测.该技术具有适用性强、投资少、周期短、准确、快速等特点,有推广应用的前景.
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