99在线精品免费视频,中文字幕电影在线观看,中文在线视频,中日韩在线视频,色老头综合免费视频,午夜女上男下xx00xx00动态,国产精品成人网

Chinese    English
Product List
Well head tools
Drill stem tools
Directional well tools
Coring tools
Cementing tools
Downhole servicing tools
Fishing tools
Milling tools
Accident remedy tools
Bits
Contact us

General manager: 86-453-6524782
Technology consulting:86-453-6540315
Zip code:157010
Web: www.hovercrafthq.com
Email: mdjjcsy@126.com
Addess: Aimin District East New Street 
No. 58

 
Drill stem tools
Your present position:Home > Products > The Drill-Stem Sub  
The Drill-Stem Sub

    The drill-stem sub acts for conversion and connection of drill stem component in petroleum , nature gas and geology drilling work . It is used mainly for connecting of upper drill tools and lower drill tools during drilling operations. It is made of high strength alloy steel,and it is complied with API standard

The Drill-Stem Sub in 4 type of main structure

No. Description Upper Connecting Part Lower Connecting Part Type
1 Kelly sub Kelly Tool Joint A or B
2 Tool Joint Sub Tool Joint Tool Joint A or B
3 Crossover Sub Tool Joint Drill Coller A or B
4 Drill Collar Sub Drill Coller Drill Coller A or B
5 Bit Sub Drill Coller Bit A or B
6 Swivel Sub Swivel Lower Sub Kelly c
7 Fishing Sub Kelly Tool Joint c
Tool Joint Fishing tools c

Copyright:Mudanjiang Construction Material Petroleum Machinery Co.,Ltd    HEI ICP 11006197 No. -1    Technical support:Mudanjiang excellence network company