Non-magnetic Drill Collar By Nera Petroleum Mechanical Menufacture Co. Ltd.

We are instrumental in providing to our valuable customers excellent quality Non-magnetic Drill Collar which is available with following specification:-
Place of Origin: Shandong, China (Mainland)
Brand Name: Nera
Model Number: WCZT105-WCZT203
Type: Drill Collar Machine
Type: Drilling Tool
Certification: API
Processing Type: Forging
Use: Well Drilling Effective
Material: Stainless Steel, Non-magnetic material, P550, etc
Length (mm): 9,144 or 9,450, or as your demands
Connection Type: NC31-41, NC35-47, NC38-50, NC44-60, NC46-62, etc Test: UT&MT
Manufacture Technique: Hot forged and heat treatment
Surface Finishes: Black, Peeled, Turned & Polished

This product is made of first-class non-magnetic material to monitor whether the borehole goes following the designed path to insure of accurate measurement.

It's manufacture process is: Smelting, Electroslag remelting, Forging by precision forging machine, Solution strengthening, Ultrasonic testing, Mechanical processing, Magnetic permeability testing and Finished product testing.