丰满岳乱妇在线观看中字无码,黑人巨摘花第一次出血,特级毛片a级毛片免费观看网站,人人爱天天做夜夜爽2020

 
         
    Home Contact us 中文版
Home About us News Products Honors Feedback Contact us  
     Wellhead
     X-mas Tree
     valve
     Tube remit
     bop
     Casting products
     reducer
     Safety valve
 
 
 
YANCHENG SHENHUA MACHINERY MANUFACTURE CO.,LTD
Add:No. 1299, Jianhu Avenue South Road, Jianhu County
Tel:+86-515-86500588
    86500699
Fax:+86-515-86500599
    86500699
zip:224761
Email:zxw@ycshenhua.com
You are the location  >> Shenghua Machinaty manufacture Co.,Ltd >> Product    
 
   
  Tubing head spool Detailed parameter  
1.Tubing head structure
  Tubing head is usually a spool with both flanged ends,which is set on the top
flange of casing head to hang tubing hanger and seal the annular space between
the tubing string and oil-layer casing and which consists of tubing head spool and tubing hanger.
2.Functions
1)hang.the tubing string inside well;
2)seal the annular space between tubing and casing;
3)give a crossover to connect casing head
downwards and to connect x' mas tree upwards;
4)provide both side outlets in tubing head spool body through which to execute injection and well-wash operation.
3.Tubing hanger
  Tubing hanger is an assernbly to support tubing string and seal the annular space between tubing and casing.which is connected with tubing and seated into tubing hanger spool by tubing gravity.It is convenient to operate and replace wellhead so that it is widely used for intermediate depth well and common well.

 
 
Home | About us | News | Products | Honors | Feedback | Contact us 
COPYRIGHT[C]2011 YANCHENG SHENHUA    ALL RIGHTS RESERVES
日韩精品人妻系列无码专区 | 亚洲av无码电影网| 欧美性猛交xxxx黑人| 无人区码一码二码三码区| 亚洲人精品亚洲人成在线| 蜜芽亚洲av无码一区二区三区 | 内射中出日韩无国产剧情| 亚洲av无码国产一区二区三区| 内射口爆少妇麻豆| 精品国产福利一区二区| 日韩做a爰片久久毛片a片| 亚洲另类无码专区首页| 亚洲日韩亚洲另类激情文学| 丁香五月激情综合色婷婷| 2021亚洲卡一卡二新区入口 | 国产视频一区二区| 狼色精品人妻在线视频| 无码夜色一区二区三区| 在线播放人成视频观看| 国产精品国产三级国AV| 麻婆豆传媒一区二区三区| 中文在线っと好きだった在线| 国产成人免费无码视频在线观看M| 亚洲欧美乱日韩乱国产| 无码a∨高潮抽搐流白浆| 亚洲av片一区二区三区| 国产精品久久久久电影网| 中文字幕日韩人妻无码| 久久久久亚洲AV综合仓井空 | 欧美激情视频一区二区三区免费| 无码人妻一区二区三区兔费| 国产乱人伦av在线a| 国内精品视频一区二区三区| 亚洲AV永久无码精品一福利| 亚洲色精品三区二区一区| 久久精品人成免费| 国产精品99久久久久久董美香| 国精品产区wnw2544| 久久青草国产免费频观| 亚洲欧洲无码av电影在线观看| 免费a级毛片无码a∨免费软件|