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冀東油田高溫功能型滑溜水壓裂液首試成功

       3月14日,冀東油田鉆采工藝研究院自主研制的高溫功能型滑溜水壓裂液在高130X7井體積壓裂中成功應用。這口井累計注入高溫多功能滑溜水3000多立方米,創冀東油田單井滑溜水最大注入紀錄。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一體化預制泵站,污水提升設備,全自動隔油設備,切割式排污泵,無負壓供水設備, 排污泵,消防泵,化工泵等;長期免費為客戶提供產品咨詢和技術支持

  高130X7井是冀東油田高深南區高3106井區構造較高部位的一口探井。根據地質要求,對190號、191號小層進行壓裂,目的層段井深4482米至4488米。結合壓裂目的層特征,技術人員優選套管注入泵送橋塞方式分兩段進行壓裂,采用大規模滑溜水增大改造體積,同時減少了壓裂液對儲層的傷害。

  本次施工采用自主研制的高溫功能型滑溜水壓裂液體系。在用的植物膠滑溜水壓裂液,存在添加劑種類多、現場配制較復雜、施工準備時間長、成本較高等問題。技術人員先后開展室內評價60組,順利完成機械黏度、表界面張力等7項參數的評價研究,成功研制出高溫功能型滑溜水壓裂液體系。這種高溫功能型滑溜水壓裂液體系一劑多效,具有 “三低一高”特性,即低摩阻、低成本、低界面張力,高防膨性。

  為保障特低滲儲層壓裂順利施工、減少儲層傷害,該井段塞注入140攝氏度抗高溫配方,選用“有機+無機”復配高效防膨技術。與常規壓裂液體系對比,高溫多功能型滑溜水體系施工壓力降低近10兆帕,單方成本降低約50%。

產品關鍵詞:一體化預制泵站 , 切割式排污泵 , 全自動隔油設備 , 污水提升設備 , 研磨排污泵 , 無負壓供水設備 , 排污泵 , QBY氣動隔膜泵 , 微型隔膜泵, G型螺桿泵

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