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Optimization on fracturing fracture of horizontal well in Huaqing ultra-low permeability reservoir of Changqing Oilfield
Author(s): Du Xianfei, Yin Guiqin, Qi Yin, Bai Xiaohu, Chen Baochun, Wang Chengwang, An Li
Pages: 668-
670
Year: 2014
Issue:
5
Journal: Fault-Block Oil and Gas Field
Keyword: ultra-low permeability reservoir; horizontal well; fracturing fracture; optimization design;
Abstract: 长庆油田华庆超低渗透油藏主要采用水平井注水开发技术来提高开发效果,如何进行压裂裂缝优化设计是提高开发效果的关键.文中在对油藏特征分析的基础上,结合注采井网对水平井压裂裂缝长度、改造段数、布缝方式及施工参数进行了优化研究,提出了适合华庆超低渗油藏水平井的改造参数.24口水平井矿场实践表明,该参数组合具有较好的适应性,水平井产量达10.3 t/d,为直井的5倍,对类似油藏水平井压裂参数优化具有借鉴意义.
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