渤海油田YL2井压裂工艺技术
Well Testing（2023）
Abstract
渤海油田YL2 井孔店组砂砾岩储层孔渗性差,非均质性强,但储量丰富,为改善储层物性以获得工业产能,借鉴陆地油田砂砾岩压裂作业经验,同时考虑海上空间受限的特点,优化前置液量、施工排量、砂量等参数,结合"变密度组合加砂"技术、多级段塞、阶梯式提升排量等工艺措施,成功实施了YL2 井孔店组砂砾岩储层的压裂作业.该井净压裂液量及支撑砂量均为海上探井单层压裂规模之最,为海上探井大规模压裂施工积累了宝贵的经验.
MoreKey words
exploration well test,glutenite,offshore fracturing,fracturing technology,multistage slug,combined sanding,equipment placement,fracture control
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