国产成人aa在线观看视频,国产一在线,亚洲国产成人精品一区二区三区,看全色黄大色大片免费久久

Contact
hotline
0534-2756329
18653472707
Address:No.2127,East of College Road,Economic&Technology Development Zone,Dezhou,Shandong,China
Mechanical stage cementer
Author:China-lk Date: 2017-07-08
   The mechanical stage cementer which is mainly used for vertical well features inner closing structure. The circulation ports are opened by free-fall or pumping-down plug and finally the closing plug drives the closing sleeve to shut the circulation ports.
    Features:1.With inner-closing structure, the cementer can bring permanent self-locking after closing 
              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(hào)-1