Company ProfileXi'an Shanglin Oilfield Equipment Co.,Ltd
Product BrandChina Shanglin
Product TagsConnection And Transmission
The Crossover Subs act as the conversion, connection and transmission torque of drill stem components in drilling operations of petroleum, natural gas and geological exploration. The product is made from 40CrMnMo alloy steel fully heat-treated to drill collar specifications. The connections are gaged to API standard, which are processed with stress relief grooves and are cold rolled. The surface of connections is phosphatized or plated copper, coated thread dope and equipped with thread protectors. Based on the external form and usage, they are divided into three types: Straight OD Sub, Reduced Section Sub and Left Hand Sub.
Telephone+86 29 88368846
AddressRoom 10401, Building 31, Tangyuan Xiaoqu,No.69 Dianzi Zhengjie, Yanta District, Xi'an, China 710065