胜坨油田特高含水后期矢量开发调整模式及应用
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刘丽杰(1982—),女,山东寿光人,工程师,硕士,从事中高渗透整装油田开发研究。联系电话:(0546)8716835,E-mail:liuli?jie990.slyt@sinopec.com。

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国家科技重大专项“胜利油田特高含水期提高采收率技术”(2011ZX05011),中国石化科技攻关项目“胜坨油田近极限含水期主导开发调整技术研究”(P12127)。


Vector development adjustment modes and its application in late extra-high water cut stage of Shengtuo oilfield
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    摘要:

    胜坨油田已整体进入特高含水后期,动态非均质性对开发的影响日趋严重,剩余油分布特征复杂多样,传统的层系井网调整已很难取得好的效果。以剩余油研究为基础,提出侧缘微相富集型、砂体边缘富集型、非主流线富集型、非主力层富集型、厚层顶部富集型和夹层控制富集型6种剩余油分布模式,平面上以侧缘微相富集型为主,纵向上多层油藏以非主力层富集型为主、厚层油藏以厚层顶部富集型为主。在矢量开发理念的基础上,结合胜坨油田开发实践,针对侧缘微相富集型分布模式的剩余油,建立了平面相控矢量开发调整模式;针对多层油藏非主力层富集型分布模式的剩余油,建立了层系重组矢量开发调整模式;针对厚层顶部富集型分布模式的剩余油,建立了厚层协同矢量开发调整模式。矿场应用效果证实,在胜坨油田特高含水后期利用矢量开发调整模式进行开发,能够提高采收率4%以上。

    Abstract:

    Shengtuo oilfield has entered the late extra-high water cut stage. Dynamic heterogeneity is becoming more and more serious,and the distribution of remaining oil is becoming more and more complex and diverse. So traditional development techniques is hard to achieve good results. Six modes of remaining oil distribution including edge micro phase enrichment,edge sand enrichment,non-main streamline enrichment,non-main layer enrichment,top thick layer enrichment and interbed control enrichment were presented based on the study of the remaining oil,and 3 main modes are edge micro phase enrichment on the plane,non-main layer enrichment in multilayer reservoir and thick layer reservoir and top thick layer enrichment on the vertical. Based on the idea of vector development,three modes were established respectively for the above three types of remaining oil distribution as follows:planar phase control vector development adjustment mode,layers recombination vector development adjustment mode and thick layer cooperation vector development adjustment mode.Field application effect proves that vector development modes in late extra-high water cut stage of Shengtuo oilfield can improve the recovery rate by more than 4%.

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刘丽杰.胜坨油田特高含水后期矢量开发调整模式及应用[J].油气地质与采收率,2016,23(3):111~115

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  • 在线发布日期: 2016-06-02