<pre id="hrxvk"><tt id="hrxvk"><noscript id="hrxvk"></noscript></tt></pre>

<bdo id="hrxvk"></bdo>
  • <dfn id="hrxvk"><delect id="hrxvk"></delect></dfn>

    <ruby id="hrxvk"><dl id="hrxvk"></dl></ruby>

    Contact
    hotline
    0534-2756329
    18653472707
    Address:No.2127,East of College Road,Economic&Technology Development Zone,Dezhou,Shandong,China
    Open stage
    Author:China-lk Date: 2017-07-08
       The hydraulic stage cementer(included drilling free type) which is mainly used for horizontal well features inner closing structure, opened through pressure difference.  Finally the closing plug drives the closing sleeve down and then shuts the circulation ports.   
        Features:1.Opening pressure can be adjusted
                  2.Special structure can minimize the damages to the closing-sleeve
                  3.The cementer is designed with anti-rotating structure for easy drillout

     
             Property Parameters
     
    Specifications(mm)      Φ139.7(4")~Φ244.5(9")
                     Max O.D.(mm)                    170~283
    Drill-out I.D.(mm)                    124~220.5
    Overall length(mm)                   1038~1222
                    Rated load(t)                    120~210
                 Sealing capacity(MPa)                       25
    Opening pressure(MPa)                     17~18
    Closing pressure (MPa)                        5
      Lower sliding sleeve I.D.(mm)                     85~176
      Upper sliding sleeve I.D.(mm)                     95~197

    Dezhou Longke Petroleum Equipment Co., Ltd.

    No.2127,East of College Road,Economic&Technology Development Zone,Dezhou,Shandong,China

    魯ICP備2021046750號-1   technical support:lenvoo

    日韩国产二区不卡在线_亚洲二区三区AⅤ_思思热免费精品在线看看_日韩中文字幕无码 在线精品自偷自拍无码 a级毛片免费看在线看 久久精品蜜芽亚洲国产AV

    <pre id="hrxvk"><tt id="hrxvk"><noscript id="hrxvk"></noscript></tt></pre>

    <bdo id="hrxvk"></bdo>
  • <dfn id="hrxvk"><delect id="hrxvk"></delect></dfn>

    <ruby id="hrxvk"><dl id="hrxvk"></dl></ruby>