Non Magnetic 3 1/8" Drill Collars for Precision Drilling

• Customization: Available
• Customized: Customized
• Surface Treatment: Spray
• Model NO.: Drill Collar
• Type: Non-magnetic Drill Collar
• Standard: API
• Usage: Oil Mining, Well Drilling
• Material: High Manganese Steel
• Weight (Kg): 500
• Working Process: Machining
• Size: 2 3/8-10 3/4′′
• Color: Red
• Appearance: Smooth
• Warranty of Core Components: 1 Year
• Item: API Oil
• Video Outgoing-Inspection: Provided
• Applicable Industries: Energy & Mining
• Marketing Type: New Product 2020
• Core Components: Engine
• Advantage: Prices
• Product Name: Q2 3/8-10 3/4-35 Workover Rig Tong for Oil Field
• Application: Oil Field
• Machinery Test Report: Provided
• Transport Package: Plywood Case
• Specification: Drill Collar
• Trademark: Goldenman
• Origin: China
• HS Code: 843143
• Production Capacity: 10000 Set/Sets Per Month
• Package Size: 75.00cm * 70.00cm * 60.00cm
• Package Gross Weight: 3000.000kg

Product Description

DRILL COLLAR

 

 

 

 

 

 

1. Material of API 7-1 Non-Magnetic Drill Collar Slick Drill Collar OD 79.4mm to 279.4mm: Available in high-grade 4145H/4145H mod or Non-magnetic material, ensuring flawless performance.
2. Standard: Conforms to API7-1, NS-1 standards, guaranteeing exceptional quality and reliability.
A. Slick Drill Collar
Note: This drill collar is expertly designed to primarily provide the bit weight needed to keep the drill pipe in optimum tension. Its robust construction ensures consistent functionality.
With its remarkable rigidity, it maintains the drill bit's centralization and precise hole tracking. Each collar is crafted with precision, adhering strictly to API Spec7-1 and SY5411 standards.
Assured to meet stringent industry criteria for reliability and performance.
B. Spiral Drill Collar
Note: The Spiral Drill Collar is ingeniously designed to minimize contact with the borehole, effectively preventing bit sticking caused by differential pressure.
Our drill collars are meticulously manufactured in strict compliance with API Spec7-1 and Standard SY5144, ensuring superior quality and efficiency.
C. Spiral Drill Collar With Elevator Groove And Slip Groove
Note: The strategically placed elevator and slip grooves on the box thread face of both slick and spiral drill collars offer unparalleled lifting and safety as sub and slip during trip out operations.
Crafted to API SPEC7-1 technical parameters, with optional hardbanding available upon request for enhanced durability.
D. Non-magnetic Drill Collar
Featuring a cold rolled finish on both ID and OD surfaces, the unique technical process used significantly strengthens structural integrity and enhances resistance to stress, corrosion, and cracking, offering optimal mechanical performance.
High Quality API 7-1 NS-1 Non-Magnetic Drill Collar
Specifications for API 7-1 Non-Magnetic Drill Collar: Available in a range of OD from 79.4mm to 279.4mm, designed for impeccable precision and performance.

 

 

 

 

Connections	OD mm	ID mm	Length mm
NC23-31	79.4	31.8	9150
NC26-35	88.9	38.1	9150
NC31-41	104.8	50.8	9150 or 9450
NC35-47	120.7	50.8	915 or 9450
NC38-50	127.0	57.2	9150 or 9450
NC44-60	152.4	57.2	9150 or 9450
NC44-60	152.4	71.4	9150 or 9450
NC44-62	158.8	57.2	9150 or 9450
NC46-62	158.8	71.4	9150 or 9450
NC46-65	165.1	57.2	9150 or 9450
NC46-65	165.1	71.4	9150 or 9450
NC46-67	171.4	57.2	9150 or 9450
NC50-67	171.4	71.4	9150 or 9450
NC50-70	177.8	57.2	9150 or 9450
NC50-70	177.8	71.4	9150 or 9450
NC50-72	184.2	71.4	9150 or 9450
NC56-77	196.8	71.4	9150 or 9450
NC56-80	203.2	71.4	9150 or 9450
6 5/8REG	209.6	71.4	9150 or 9450
NC61-90	228.6	71.4	9150 or 9450
7 5/8REG	241.3	76.2	9150 or 9450
NC70-97	247.6	76.2	9150 or 9450
NC70-100	254.0	76.2	9150 or 9450
8 5/8REG	279.4	76.2	9150 or 9450