Coupling is a kind of drilling tool in oil field, which is mainly used for tubing connection or casing connection.
Place of Origin | Tianjin, China (Mainland) |
Brand Name | China Petroleum Equipment |
Model Number | 4-1/2"-20" |
Type | Coupling |
Machine Type | Oil production |
Certification | API |
Material | Alloy steel |
Connection | LTC STC BTC |
Surface treatment | Whole phosphating, or inside phosphating and outside coating |
Usage | Internally threaded cylinder for joining two lengths of threaded casing pipe |
Our Services/Warranty
As a professional manufacturer, we provide follow services:
1.Lower price
2.ONE year warranty and life time maintenance
3.In time delivery.
4.High Quality assurance..
Contact:Bonnie Xu
Email:BonneXu@dlpoctg.com
WeChat:13602055205
Skype:BonnieXu22
Tel:+86-13602055205
