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鉆井液新技術助力中石化順北油田高效開發

日前,順北油田部署的順北5、順北評1H兩口井成功應用鉆井液防漏堵漏新技術,順利鉆完二疊系火成巖地層,均未發生井漏,為該油田高效開發交出了一份靚麗的答卷。本文由上海凱太泵業制造有限公司轉載發布。上海凱太泵業主要生產研磨排污泵,G型螺桿泵,QBY氣動隔膜泵,微型隔膜泵,排污泵,消防泵,多級泵,化工泵等。
  自順北1-1H井獲得高產油氣流后,順北油田加大了勘探開發步伐,2016年陸續部署了7口探評井。但是,二疊系地層厚度大,可鉆性差,且易漏失,前期施工的順北1-1H井在二疊系鉆進時遭遇漏失,先后進行了27次堵漏作業,耗時超過40天,漏失鉆井液2876方,經濟損失嚴重。
  為此,該油田技術人員充分分析二疊系地質特征,創新提出“由堵轉防”的技術思路,通過強化室內縫板堵漏、砂床堵漏實驗評價,優化隨鉆封堵防塌配方與鉆井液性能,實現了井壁穩定;同時合理控制施工排量,降低井底激動壓力與循環當量密度,形成了二疊系防漏堵漏鉆井液技術。部署井現場應用該技術后,4口井在二疊系鉆進沒有發生井漏,3口井無惡性漏失,平均鉆井周期13.34天,較前期完鉆井縮短了58.95%,節約鉆井費用268萬元,也為順北油田勘探開發取得重大商業發現奠定了堅實基礎。

核心產品關鍵詞:全自動隔油設備 , 污水提升設備 ,無負壓供水設備 ,切割式排污泵,雙腔無負壓供水設備,一體化泵站,供水加壓泵站

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