Oilfield non magnetic drill collars for sale used for directional drilling
Non-magnetic drill collars are made from Non-magnetic drill collar materials with low- strength by combining a proprietary chemical analysis and a rotary hammer forging process with low magnetic permeability excellent machine ability.
Each drill collar is fully inspected by internal inspection dept. All data obtained are recorded on the inspection certificate furnished with each drill collar. API monogram, serial number, OD, ID, type and size of connections are stamped on recessed mill flats.
Drill collars are available in lengths from 10 to 31 feet and outside diameter from 31/8" to 11"
Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC. Our group have 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC.
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
Our products mainly include:
1. Pumping Unit 2. Tubing Pump/Sucker Rod Pump and Accessories
3. Float Collar & Float Shoe 4. Casing Centralizer
5. Cementing Plug 6. Cementing Head
7. Stage Collar 8. Casing/Tubing and Coupling
9. Drill Pipe 10. Sucker Rod
11. Air Blaster 12. Sucker Rod Guide
13 Drill Collar