海上浅水三角洲油田水平井高效开发技术
The High Efficiency Development Technology of Horizontal Well in Offshore Shallow Water Delta Oilfield
陆地定向井密井网开发模式在海上浅水三角洲油田适应性差,对海上浅水三角洲油田水平井开发技术开展研究. 以浅水三角洲沉积模式为指导,根据地震沉积学原理,提出了BZ油田浅水三角洲储层的形成条件、成因机理及分布特征;结合大尺寸物模实验及油藏数值模拟方法对一次井网进行部署与优化. BZ油田浅水三角洲储层发育类型为多个单一分流河道侧向迁移叠置所形成的连片朵叶状复合砂体,识别了3种河道接触样式. 海上浅水三角洲油田一次井网采用水平井交错井网,储层上部采油、下部注水开发效果最好,提出3种河道接触样式下井网优化方法. 首次提出了海上浅水三角洲油田基于单河道的水平井单砂体布井开发技术,在BZ油田应用,开发效果评价为一类.
浅水三角洲 / 储层构型 / 水平井 / 井网优化 / 驱油效率 / 石油地质
shallow water delta oilfield / reservoir configuration / horizontal well / well pattern optimization / oil displacement efficiency / petroleum geology
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中海石油(中国)有限公司综合科研项目“渤海双高油田挖潜关键技术研究”(YXKY-2018-TJ-04)
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