![]() |
Products
ContactUs
Email: zdyk66@163.com
Minghu Building, No.24 Huangsi Street, Xicheng District Beijing
Downhole tools Home>>Products>>Downhole tools Kelly,
Show Details
Name: Drill Collar
Model: Keywords: Drill Collar Brief: Drill collars are manufactured from AISI 4145H modified steel, and are supplied in the "as rolled" surface finish condition. Alternative surface finis...
Show Details
Name: Lifting Sub
Model: Keywords: Lifting Sub Brief: Lifting sub is the drilling tools used for connect the drill collar without shoulder, finishing the drip up and drip in process with the slips.