Blue Drill Collars for Well Drilling

• After-sales Service: 24/7
• Warranty: 1 Years
• Manufacturing Process: CNC Milling
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Model NO.: 4130
• Name: Drill Collar
• Color: Blue
• Transport Package: Export Packing
• Specification: 79.4mm -279.4mm
• Production Capacity: 150000

Product Description

Blue Drill Collars for Well Drilling

Our API 7-1 Blue Drill Collars are heavy-duty, sturdy tools for well drilling. Made by GPE Oil Machinery Co., Ltd, these magnetic drill collars are available in various sizes and lengths. Perfect for oil wells, they are API certified and provide reliable performance.

GM Drill Collar

GM Drill Collar, manufactured by GPE Oil Machinery Co., Ltd, is the essential component in the Bottom Hole Assembly (BHA) used for drilling. It provides weight on the bit and keeps the drillstring in tension. The GM Drill Collar has been approved by the NS-1 certification.

Features and Benefits:

• Manufactured from 4145H modified quenched and tempered steel


• Strict metallurgical specifications ensure consistent maximum hardness depth


• Hardness range of 285 to 341 BHN


• Charpy impact value of 40 ft-lbs guaranteed


• Evenly distributed hardness points at room temperature


• Connections completed with phosphate coating for protection against elements


• Prevents galling upon initial make-up


• Cold rolled thread roots on API and H-90 connections


• Supplied with pressed steel thread protectors for drill collars with standard connections