Premium Drill Collar for Enhanced Drill Rig Performance

• 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
• 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. Crafted from premium-grade materials, our API 7-1 Non-Magnetic Drill Collars boast an OD range of 79.4mm to 279.4mm, available in 4145H/4145H mod or non-magnetic options, ensuring unparalleled strength and reliability.
2. Standard: Adhering to the highest industry benchmarks, our products meet the stringent criteria of API7-1 and NS-1 standards.
A. Slick Drill Collar
Note: Our drill collars are meticulously designed to provide optimal bit weight, keeping the drill pipe in tension while ensuring precision and control during drilling operations.
With exceptional rigidity, they maintain the drill bit's centralization and hole trajectory. Each drill collar is crafted in strict compliance with API Spec7-1 and the SY5411 standard, ensuring top-tier performance.
SY5411 standard.
B. Spiral Drill Collar
Note: Engineered to minimize contact with the hole, the spiral drill collar effectively prevents bit sticking due to differential pressure, optimizing performance in challenging conditions.
These collars are manufactured with precision, strictly adhering to API Spec7-1 and Standard SY5144, ensuring reliability and durability.
C. Spiral Drill Collar With Elevator Groove And Slip Groove
Note: The innovative elevator and slip grooves on the box thread face of our drill collars serve as lifting subs and safety slips during tripping operations.
These features adhere to API SPEC7-1 technical parameters, with optional hardbanding available upon request, enhancing versatility and safety.
D. Non-magnetic Drill Collar
Our advanced cold-rolled finish on both ID and OD surfaces, coupled with a unique technical process, fortifies the collar's structure, offering exceptional resistance to stress, corrosion, and cracking. Mechanical performance is significantly enhanced, ensuring unmatched durability.
High Quality API 7-1 NS-1 Non-Magnetic Drill Collar
Specifications for API 7-1 Non-Magnetic Drill Collar Slick Drill Collar OD 79.4mm to 279.4mm

 

 

 

 

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