Flex Drill Collars for Well Drilling - Color: Blue

• 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

API 7-1 Drill Collars / Spiral Drill Collars for Well Drilling

GPE Oil Machinery Co., Ltd offers high-quality Flex Drill Collars for efficient well drilling. Our blue-colored, non-magnetic collars are API certified and designed for deep drilling. With their unique flexibility and heavy-duty construction, these drill collars are the perfect choice for oil and gas drilling projects. Trust in our premium quality, API approved drill collars for a reliable and effective drilling experience.

Drill Collar by GPE Oil Machinery Co., Ltd

Drill Collar

The Drill Collar is an essential component of the Bottom Hole Assembly (BHA) used in drilling operations. It provides weight on the bit and maintains tension in the drillstring. GPE Oil Machinery Co., Ltd offers the GM Drill Collar, which has received NS-1 certification.

Features and Benefits

• Manufactured from 4145H modified quenched and tempered steel


• Strict metallurgical specifications ensure consistent maximum depth of hardness during heat treatment


• Guaranteed hardness range of 285 to 341 BHN and a Charpy impact value of 40 ft-lbs at room temperature


• Connections are completed with a phosphate coating to protect against the elements and prevent galling during initial make-up


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


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

For reliable and high-quality drill collars, choose GPE Oil Machinery Co., Ltd.