基于储层物性的分段方法在控水完井中的应用
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TE355

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“十三五”国家科技重大专项“渤海油田高含水水平井智能控水技术研究与示范(编号:2016ZX05058-003-022)”。


Application of segmented method based on reservoir physical properties in water control well completion
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    摘要:

    控水完井技术在我国海上油田已得到较好应用,但多数方案设计是基于水脊形态和现场经验进行分段,针对储层物性进行完井分段的方法研究相对较少。文中综合考虑储层渗透率、孔隙度、含油饱和度和岩性等参数,利用双指标指数法(物性指数和含油饱和度指数)对完井段进行评价;以各指数频率分布和累计分布情况为依据,划分为好、中和差三个等级并赋分;依据各段综合评价分值获得初始分段位置后,再结合岩性条件确定最终分段位置;最终形成了一套基于物性参数的控水完井分段综合评价方法,并开发了相应的完井分段设计程序模块。BH油田A井现场试验效果表明,该分段方法能够有效指导控水完井优化设计。为基于物性分段设计思路提供了理论依据,同时也为智能控水完井的推广应用提供了支撑。

    Abstract:

    Water control completion technology has been well applied in China's offshore oilfields. However, there are relatively few studies on completion segmentation methods, and most plan designs are segmented based on water ridge shapes and field experience. In this paper, permeability, porosity, oil saturation and lithologic parameters were considered comprehensively. The physical property index and oil saturation index were put forward to evaluate the completion section. According to the frequency distribution and cumulative distribution of each index, the three grades of good, middle and bad were divided and scored. Then, the total score of each segment was obtained by comprehensively considering the two indexes. The initial segment position was obtained according to the score value. Combined with lithologic conditions, the final segment position was determined. Finally, a set of segmented evaluation methods for water control completion based on physical parameters was formed. The corresponding completion section design program module was developed. The field test results of Well A in BH Oilfield show that the segmented method can effectively guide the optimization design of water control completion. This segmentation method provides a theoretical basis for the design idea of segmentation based on physical properties. It provides support for the wide application of intelligent water control completion.

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李海涛,董婉琪,王楠,等. 基于储层物性的分段方法在控水完井中的应用[J]. 科学技术与工程, 2022, 22(18): 7873-7880.
Li Haitao, Dong Wanqi, Wang Nan, et al. Application of segmented method based on reservoir physical properties in water control well completion[J]. Science Technology and Engineering,2022,22(18):7873-7880.

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  • 收稿日期:2021-08-29
  • 最后修改日期:2022-03-29
  • 录用日期:2021-11-22
  • 在线发布日期: 2022-07-14
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