| The Type DCS drill collar slips are designed and manufactured in API Spec 7K and SY5049-2016 《 Slips for Well Drilling 》 . It is manufactured in a structure of multi-segment pieces with firm structure, light weight, and large holding range, which is easy to fit the changing of the external diameter of the drill collar due to wear and tear. |
| The DDZ type drill pipe elevator is a wellhead tool in the drilling and repairing of oil or gas well. It is easy and safe for handling 18-dregrees drill pipe, and of great advantage to prolong life of self-seal head of blowout presenter. It is designed according to API Spec 8C for Drilling and Production Hoisting Equipment. It was design verification tested at more than two times the max. test load, and underwent ex-factory test at one and a half times the rated load. |
| The safety clamps are designed for coupling and uncoupling in oil natural gas drilling operation. It can prevent the drill tools form slipping down. When changing the working range, it is only necessary to adjust the No. of chain links. |