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低渗油田注水见效影响因素分析--以531井区T2k2低渗油藏为例

wf(2016)

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Abstract
531井区 T2 k2低孔低渗油藏由于开发年限较长,地质特征复杂等因素,目前油藏已开发区存在产量递减快、油藏注水困难,地层压力保持程度低、含水上升较快、注采井网不完善等问题。系统分析了531井区T2 k2低渗油藏油藏的注水见效特征,并从沉积微相、注采井网井距、注采连通性、射孔等方面对对影响本油藏的注水见效因素进行分析,总结出了531井区 T2 k2低渗油藏的注水见效影响因素,对本油藏高含水期开发调整提供指导。同时为同类低孔低渗油藏开发调整提供指导借鉴。
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Key words
Low permeability,effective water injection,influence factors
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